News and Events: Conferences

These pages provide information about recent developments at or relevant to the ILLC. Please let us know if you have material that you would like to be added to the news pages, by using the online submission form. For minor updates to existing entries you can also email the news administrators directly. English submissions strongly preferred.

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29 June - 3 July 2026, Advances in Modal Logic 2026 (AiML 2026), Amsterdam, The Netherlands

Date: 29 June - 3 July 2026
Location: Amsterdam, The Netherlands
Deadline: Friday 20 February 2026

Advances in Modal Logic is an initiative aimed at presenting the state of the art in modal logic and its various applications. The initiative consists of a conference series together with volumes based on the conferences. AiML 2026 is organized by the ILLC.  Information about the AiML series can be obtained at http://www.aiml.net.

For more information, see here or at https://events.illc.uva.nl/aiml2026/ or contact .

29 June - 3 July 2026, Logic Colloquium 2026 – European Summer Meeting of the ASL, Swansea [UK]

Date: 29 June - 3 July 2026
Location: Swansea [UK]
Deadline: Wednesday 1 April 2026

The Logic Colloquium is the European Summer Meeting of the Association for Symbolic Logic, an annual gathering to present current research in all aspects of logic.  It will be held in conjunction with the British Logic Colloquium 2026. 

The conference is hosted by the Logicians in the newly founded Robert Recorde Centre for Fundamental Studies and the Theoretical Computer Science group at Swansea. Robert Recorde was a Welsh Mathematician and Philosopher who invented the = sign.

The programme committee invites proposals for contributed talks. These can be on published or unpublished work, as well as work in progress. The abstracts of accepted talks will be published the Bulletin of Symbolic Logic, subject to one of the authors of the abstract being a member of ASL. Contributed abstracts should be submitted to Shannon Miller at <> .

For more information, see https://logiccolloquium2026.github.io/ or contact Monika Seisenberger and Manlio Valenti at .

1 - 3 July 2026, CARMA 2026 - 8th International Conference on Advanced Research Methods and Analytics, Valencia [ES]

Date: 1 - 3 July 2026
Location: Valencia [ES]
Deadline: Tuesday 3 March 2026

Research methods in economics and social sciences are changing quickly with AI-driven analytics, Large Language Models, and causal machine learning. New Internet and Big Data sources support fresh approaches to measurement, inference, and theory testing. As these tools become more interdisciplinary, CARMA 2026 offers a forum for researchers and practitioners to share advances in computational and data-intensive methods applied to social and economic issues, and to discuss their opportunities and challenges.

For more information, see https://carmaconf.org or contact .

29 June - 3 July 2026, Advances in Modal Logic 2026 (AiML 2026), Amsterdam, The Netherlands

Date: 29 June - 3 July 2026
Location: Amsterdam, The Netherlands
Deadline: Friday 20 February 2026

Advances in Modal Logic is an initiative aimed at presenting the state of the art in modal logic and its various applications. The initiative consists of a conference series together with volumes based on the conferences. AiML 2026 is organized by the ILLC.  Information about the AiML series can be obtained at http://www.aiml.net.

For more information, see here or at https://events.illc.uva.nl/aiml2026/ or contact .

29 June - 3 July 2026, Logic Colloquium 2026 – European Summer Meeting of the ASL, Swansea [UK]

Date: 29 June - 3 July 2026
Location: Swansea [UK]
Deadline: Wednesday 1 April 2026

The Logic Colloquium is the European Summer Meeting of the Association for Symbolic Logic, an annual gathering to present current research in all aspects of logic.  It will be held in conjunction with the British Logic Colloquium 2026. 

The conference is hosted by the Logicians in the newly founded Robert Recorde Centre for Fundamental Studies and the Theoretical Computer Science group at Swansea. Robert Recorde was a Welsh Mathematician and Philosopher who invented the = sign.

The programme committee invites proposals for contributed talks. These can be on published or unpublished work, as well as work in progress. The abstracts of accepted talks will be published the Bulletin of Symbolic Logic, subject to one of the authors of the abstract being a member of ASL. Contributed abstracts should be submitted to Shannon Miller at <> .

For more information, see https://logiccolloquium2026.github.io/ or contact Monika Seisenberger and Manlio Valenti at .

1 - 3 July 2026, CARMA 2026 - 8th International Conference on Advanced Research Methods and Analytics, Valencia [ES]

Date: 1 - 3 July 2026
Location: Valencia [ES]
Deadline: Tuesday 3 March 2026

Research methods in economics and social sciences are changing quickly with AI-driven analytics, Large Language Models, and causal machine learning. New Internet and Big Data sources support fresh approaches to measurement, inference, and theory testing. As these tools become more interdisciplinary, CARMA 2026 offers a forum for researchers and practitioners to share advances in computational and data-intensive methods applied to social and economic issues, and to discuss their opportunities and challenges.

For more information, see https://carmaconf.org or contact .

29 June - 3 July 2026, Advances in Modal Logic 2026 (AiML 2026), Amsterdam, The Netherlands

Date: 29 June - 3 July 2026
Location: Amsterdam, The Netherlands
Deadline: Friday 20 February 2026

Advances in Modal Logic is an initiative aimed at presenting the state of the art in modal logic and its various applications. The initiative consists of a conference series together with volumes based on the conferences. AiML 2026 is organized by the ILLC.  Information about the AiML series can be obtained at http://www.aiml.net.

For more information, see here or at https://events.illc.uva.nl/aiml2026/ or contact .

29 June - 3 July 2026, Logic Colloquium 2026 – European Summer Meeting of the ASL, Swansea [UK]

Date: 29 June - 3 July 2026
Location: Swansea [UK]
Deadline: Wednesday 1 April 2026

The Logic Colloquium is the European Summer Meeting of the Association for Symbolic Logic, an annual gathering to present current research in all aspects of logic.  It will be held in conjunction with the British Logic Colloquium 2026. 

The conference is hosted by the Logicians in the newly founded Robert Recorde Centre for Fundamental Studies and the Theoretical Computer Science group at Swansea. Robert Recorde was a Welsh Mathematician and Philosopher who invented the = sign.

The programme committee invites proposals for contributed talks. These can be on published or unpublished work, as well as work in progress. The abstracts of accepted talks will be published the Bulletin of Symbolic Logic, subject to one of the authors of the abstract being a member of ASL. Contributed abstracts should be submitted to Shannon Miller at <> .

For more information, see https://logiccolloquium2026.github.io/ or contact Monika Seisenberger and Manlio Valenti at .

1 - 3 July 2026, CARMA 2026 - 8th International Conference on Advanced Research Methods and Analytics, Valencia [ES]

Date: 1 - 3 July 2026
Location: Valencia [ES]
Deadline: Tuesday 3 March 2026

Research methods in economics and social sciences are changing quickly with AI-driven analytics, Large Language Models, and causal machine learning. New Internet and Big Data sources support fresh approaches to measurement, inference, and theory testing. As these tools become more interdisciplinary, CARMA 2026 offers a forum for researchers and practitioners to share advances in computational and data-intensive methods applied to social and economic issues, and to discuss their opportunities and challenges.

For more information, see https://carmaconf.org or contact .
gravensteen-high_contrast-mosaic-level4-gridsize160.png

6 - 10 July 2026, AUTOMATA & ACRI 2026, Ghent [BE]

Date: 6 - 10 July 2026
Location: Ghent [BE]
Deadline: Friday 15 May 2026

The University of Gdańsk's Faculty of Mathematics, Physics and Informatics and Ghent University's Faculty of Bioscience Engineering co-organise 2026's essential event on cellular automata and other discrete dynamical systems.

For more information, see https://automataandacri2026.ugent.be/ or contact Jan Baetens at .

6 - 10 July 2026, 4th European Summer School on Artificial Intelligence (ESSAI 2026), Vienna [AT]

Date: 6 - 10 July 2026
Location: Vienna [AT]
Deadline: Wednesday 3 December 2025

ESSAI is an annual summer school on AI held under the auspices of the European Association for Artificial Intelligence (EurAI). ESSAI is the largest school of broad AI in Europe.

The ESSAI 2026 will offer an intensive 5-day program featuring various AI courses and tutorials. With over 30 lecturers from multiple fields, participants will have the opportunity to engage in 5+ parallel tracks of sessions each day.

For more information, see https://essai2026.eu/ or contact Kees van Berkel at .
gravensteen-high_contrast-mosaic-level4-gridsize160.png

6 - 10 July 2026, AUTOMATA & ACRI 2026, Ghent [BE]

Date: 6 - 10 July 2026
Location: Ghent [BE]
Deadline: Friday 15 May 2026

The University of Gdańsk's Faculty of Mathematics, Physics and Informatics and Ghent University's Faculty of Bioscience Engineering co-organise 2026's essential event on cellular automata and other discrete dynamical systems.

For more information, see https://automataandacri2026.ugent.be/ or contact Jan Baetens at .

6 - 10 July 2026, 4th European Summer School on Artificial Intelligence (ESSAI 2026), Vienna [AT]

Date: 6 - 10 July 2026
Location: Vienna [AT]
Deadline: Wednesday 3 December 2025

ESSAI is an annual summer school on AI held under the auspices of the European Association for Artificial Intelligence (EurAI). ESSAI is the largest school of broad AI in Europe.

The ESSAI 2026 will offer an intensive 5-day program featuring various AI courses and tutorials. With over 30 lecturers from multiple fields, participants will have the opportunity to engage in 5+ parallel tracks of sessions each day.

For more information, see https://essai2026.eu/ or contact Kees van Berkel at .
gravensteen-high_contrast-mosaic-level4-gridsize160.png

6 - 10 July 2026, AUTOMATA & ACRI 2026, Ghent [BE]

Date: 6 - 10 July 2026
Location: Ghent [BE]
Deadline: Friday 15 May 2026

The University of Gdańsk's Faculty of Mathematics, Physics and Informatics and Ghent University's Faculty of Bioscience Engineering co-organise 2026's essential event on cellular automata and other discrete dynamical systems.

For more information, see https://automataandacri2026.ugent.be/ or contact Jan Baetens at .

6 - 10 July 2026, 4th European Summer School on Artificial Intelligence (ESSAI 2026), Vienna [AT]

Date: 6 - 10 July 2026
Location: Vienna [AT]
Deadline: Wednesday 3 December 2025

ESSAI is an annual summer school on AI held under the auspices of the European Association for Artificial Intelligence (EurAI). ESSAI is the largest school of broad AI in Europe.

The ESSAI 2026 will offer an intensive 5-day program featuring various AI courses and tutorials. With over 30 lecturers from multiple fields, participants will have the opportunity to engage in 5+ parallel tracks of sessions each day.

For more information, see https://essai2026.eu/ or contact Kees van Berkel at .
gravensteen-high_contrast-mosaic-level4-gridsize160.png

6 - 10 July 2026, AUTOMATA & ACRI 2026, Ghent [BE]

Date: 6 - 10 July 2026
Location: Ghent [BE]
Deadline: Friday 15 May 2026

The University of Gdańsk's Faculty of Mathematics, Physics and Informatics and Ghent University's Faculty of Bioscience Engineering co-organise 2026's essential event on cellular automata and other discrete dynamical systems.

For more information, see https://automataandacri2026.ugent.be/ or contact Jan Baetens at .

6 - 10 July 2026, 4th European Summer School on Artificial Intelligence (ESSAI 2026), Vienna [AT]

Date: 6 - 10 July 2026
Location: Vienna [AT]
Deadline: Wednesday 3 December 2025

ESSAI is an annual summer school on AI held under the auspices of the European Association for Artificial Intelligence (EurAI). ESSAI is the largest school of broad AI in Europe.

The ESSAI 2026 will offer an intensive 5-day program featuring various AI courses and tutorials. With over 30 lecturers from multiple fields, participants will have the opportunity to engage in 5+ parallel tracks of sessions each day.

For more information, see https://essai2026.eu/ or contact Kees van Berkel at .
gravensteen-high_contrast-mosaic-level4-gridsize160.png

6 - 10 July 2026, AUTOMATA & ACRI 2026, Ghent [BE]

Date: 6 - 10 July 2026
Location: Ghent [BE]
Deadline: Friday 15 May 2026

The University of Gdańsk's Faculty of Mathematics, Physics and Informatics and Ghent University's Faculty of Bioscience Engineering co-organise 2026's essential event on cellular automata and other discrete dynamical systems.

For more information, see https://automataandacri2026.ugent.be/ or contact Jan Baetens at .

6 - 10 July 2026, 4th European Summer School on Artificial Intelligence (ESSAI 2026), Vienna [AT]

Date: 6 - 10 July 2026
Location: Vienna [AT]
Deadline: Wednesday 3 December 2025

ESSAI is an annual summer school on AI held under the auspices of the European Association for Artificial Intelligence (EurAI). ESSAI is the largest school of broad AI in Europe.

The ESSAI 2026 will offer an intensive 5-day program featuring various AI courses and tutorials. With over 30 lecturers from multiple fields, participants will have the opportunity to engage in 5+ parallel tracks of sessions each day.

For more information, see https://essai2026.eu/ or contact Kees van Berkel at .

12 - 16 July 2026, International School on Rewriting, Nijmegen [NL]

Date: 12 - 16 July 2026
Title: International School on Rewriting (ISR) 2026
Location: Nijmegen [NL]
Target audience: academic (incl. master students)

Term rewriting is a powerful model of computation that underlies much of declarative programming and which is heavily used in symbolic computation in mathematics, theorem proving, and protocol verification.

The ISR is open to master and PhD students, researchers and practitioners interested in the study of rewriting concepts and their applications. Participants can follow one of two tracks: basic or advance.

For more information, see https://isr2026.cs.ru.nl or contact Cynthia Kop at , or Femke van Raasmdonk at .

12 - 16 July 2026, International School on Rewriting, Nijmegen [NL]

Date: 12 - 16 July 2026
Title: International School on Rewriting (ISR) 2026
Location: Nijmegen [NL]
Target audience: academic (incl. master students)

Term rewriting is a powerful model of computation that underlies much of declarative programming and which is heavily used in symbolic computation in mathematics, theorem proving, and protocol verification.

The ISR is open to master and PhD students, researchers and practitioners interested in the study of rewriting concepts and their applications. Participants can follow one of two tracks: basic or advance.

For more information, see https://isr2026.cs.ru.nl or contact Cynthia Kop at , or Femke van Raasmdonk at .

13 - 15 July 2026, Logic, Relativity and Beyond, Budapest [HU]

Date: 13 - 15 July 2026
Location: Budapest [HU]
Costs: €160
Deadline: Friday 20 March 2026

There are several new and rapidly evolving research areas blossoming out from the interaction of logic and relativity theory. This conference series, which take place once every 2 or 3 years, hopes to attract and bring together mathematicians, physicists, philosophers of science, and logicians from all over the world interested in these and related areas to exchange new ideas, problems and results.

The spirit of this conference series goes back to the Vienna Circle and to the initiative Logic, Methodology and Philosophy of Science by Alfred Tarski and others. The aim is to provide a friendly atmosphere that enables fruitful interdisciplinary cooperation leading to joint research and publications.

Submit your abstract (or extended abstract) for your talk via the following link:
<https://easychair.org/conferences/?conf=lrb26>

Extended abstracts are not required, but in case of submission, they should be no more than 2 pages, and should be submitted in PDF formatted for A4 paper.

For more information, see https://conferences.renyi.hu/lrb26/ or contact Gergely Székely at .

12 - 16 July 2026, International School on Rewriting, Nijmegen [NL]

Date: 12 - 16 July 2026
Title: International School on Rewriting (ISR) 2026
Location: Nijmegen [NL]
Target audience: academic (incl. master students)

Term rewriting is a powerful model of computation that underlies much of declarative programming and which is heavily used in symbolic computation in mathematics, theorem proving, and protocol verification.

The ISR is open to master and PhD students, researchers and practitioners interested in the study of rewriting concepts and their applications. Participants can follow one of two tracks: basic or advance.

For more information, see https://isr2026.cs.ru.nl or contact Cynthia Kop at , or Femke van Raasmdonk at .

13 - 15 July 2026, Logic, Relativity and Beyond, Budapest [HU]

Date: 13 - 15 July 2026
Location: Budapest [HU]
Costs: €160
Deadline: Friday 20 March 2026

There are several new and rapidly evolving research areas blossoming out from the interaction of logic and relativity theory. This conference series, which take place once every 2 or 3 years, hopes to attract and bring together mathematicians, physicists, philosophers of science, and logicians from all over the world interested in these and related areas to exchange new ideas, problems and results.

The spirit of this conference series goes back to the Vienna Circle and to the initiative Logic, Methodology and Philosophy of Science by Alfred Tarski and others. The aim is to provide a friendly atmosphere that enables fruitful interdisciplinary cooperation leading to joint research and publications.

Submit your abstract (or extended abstract) for your talk via the following link:
<https://easychair.org/conferences/?conf=lrb26>

Extended abstracts are not required, but in case of submission, they should be no more than 2 pages, and should be submitted in PDF formatted for A4 paper.

For more information, see https://conferences.renyi.hu/lrb26/ or contact Gergely Székely at .

12 - 16 July 2026, International School on Rewriting, Nijmegen [NL]

Date: 12 - 16 July 2026
Title: International School on Rewriting (ISR) 2026
Location: Nijmegen [NL]
Target audience: academic (incl. master students)

Term rewriting is a powerful model of computation that underlies much of declarative programming and which is heavily used in symbolic computation in mathematics, theorem proving, and protocol verification.

The ISR is open to master and PhD students, researchers and practitioners interested in the study of rewriting concepts and their applications. Participants can follow one of two tracks: basic or advance.

For more information, see https://isr2026.cs.ru.nl or contact Cynthia Kop at , or Femke van Raasmdonk at .

13 - 15 July 2026, Logic, Relativity and Beyond, Budapest [HU]

Date: 13 - 15 July 2026
Location: Budapest [HU]
Costs: €160
Deadline: Friday 20 March 2026

There are several new and rapidly evolving research areas blossoming out from the interaction of logic and relativity theory. This conference series, which take place once every 2 or 3 years, hopes to attract and bring together mathematicians, physicists, philosophers of science, and logicians from all over the world interested in these and related areas to exchange new ideas, problems and results.

The spirit of this conference series goes back to the Vienna Circle and to the initiative Logic, Methodology and Philosophy of Science by Alfred Tarski and others. The aim is to provide a friendly atmosphere that enables fruitful interdisciplinary cooperation leading to joint research and publications.

Submit your abstract (or extended abstract) for your talk via the following link:
<https://easychair.org/conferences/?conf=lrb26>

Extended abstracts are not required, but in case of submission, they should be no more than 2 pages, and should be submitted in PDF formatted for A4 paper.

For more information, see https://conferences.renyi.hu/lrb26/ or contact Gergely Székely at .

15 - 17 July 2026, IACAP 2026 – International Association for Computing and Philosophy Conference, University of Kansas, Lawrence KS [US]

Date: 15 - 17 July 2026
Location: University of Kansas, Lawrence KS [US]
Deadline: Saturday 31 January 2026

IACAP has a long tradition of promoting philosophical dialogue and interdisciplinary research on all aspects of computing. Its members have contributed to the philosophical and ethical debates about computing, information technologies, and artificial intelligence. The 2026 annual conference will continue this tradition by bringing together researchers from various fields who are interested in the topics covered in various tracks.

For more information, see https://iacapconf.org/ or contact .

12 - 16 July 2026, International School on Rewriting, Nijmegen [NL]

Date: 12 - 16 July 2026
Title: International School on Rewriting (ISR) 2026
Location: Nijmegen [NL]
Target audience: academic (incl. master students)

Term rewriting is a powerful model of computation that underlies much of declarative programming and which is heavily used in symbolic computation in mathematics, theorem proving, and protocol verification.

The ISR is open to master and PhD students, researchers and practitioners interested in the study of rewriting concepts and their applications. Participants can follow one of two tracks: basic or advance.

For more information, see https://isr2026.cs.ru.nl or contact Cynthia Kop at , or Femke van Raasmdonk at .

15 - 17 July 2026, IACAP 2026 – International Association for Computing and Philosophy Conference, University of Kansas, Lawrence KS [US]

Date: 15 - 17 July 2026
Location: University of Kansas, Lawrence KS [US]
Deadline: Saturday 31 January 2026

IACAP has a long tradition of promoting philosophical dialogue and interdisciplinary research on all aspects of computing. Its members have contributed to the philosophical and ethical debates about computing, information technologies, and artificial intelligence. The 2026 annual conference will continue this tradition by bringing together researchers from various fields who are interested in the topics covered in various tracks.

For more information, see https://iacapconf.org/ or contact .

15 - 17 July 2026, IACAP 2026 – International Association for Computing and Philosophy Conference, University of Kansas, Lawrence KS [US]

Date: 15 - 17 July 2026
Location: University of Kansas, Lawrence KS [US]
Deadline: Saturday 31 January 2026

IACAP has a long tradition of promoting philosophical dialogue and interdisciplinary research on all aspects of computing. Its members have contributed to the philosophical and ethical debates about computing, information technologies, and artificial intelligence. The 2026 annual conference will continue this tradition by bringing together researchers from various fields who are interested in the topics covered in various tracks.

For more information, see https://iacapconf.org/ or contact .

17 - 19 July 2026, 24th International Workshop on Nonmonotonic Reasoning, Lisbon [PT]

Date: 17 - 19 July 2026
Location: Lisbon [PT]
Target audience: Researchers and students in AI, knowledge representation and nonmonotonic reasoning.
Deadline: Friday 10 April 2026

NMR is the premier forum for results in the area of Nonmonotonic Reasoning. Its aim is to bring together active researchers in this broad field within knowledge representation and reasoning (KR), including belief revision, uncertain reasoning, reasoning about actions, planning, logic programming, preferences, argumentation, causality, and many other related topics including systems and applications. 

Reseracher are invited to submit full papers or extended abstracts. Areas of interest include (but are not limited to): Categorical logic, Computability theory, History of Logic, Logic in Computer Science, Logic in Human Reasoning, Model theory Nonclassical and modal logics, Philosophical logic, Proof theory, Reasoning in AI, Set theory. 

Papers should be written in English, a maximum of 5 pages long, and prepared (in PDF format) using the EasyChair class style. Submissions will happen through EasyChair.

For more information, see https://nmr.krportal.org/2026/ or contact Ana Ozaki at , or Nico Potyka at .

17 - 19 July 2026, 39th International Workshop on Description Logics (DL 2026), Lisbon [PT]

Date: 17 - 19 July 2026
Location: Lisbon [PT]
Deadline: Tuesday 14 April 2026

The DL workshop is the major annual event of the description logic research community. It aims to bring together researchers from academia and industry that work in this field or in related fields. The workshop is co-located with KR 2026, the 23rd International Conference on Principles of Knowledge Representation and Reasoning as part of FLOC 2026, the Federated Logic Conference.

Two submission categories are open: extended abstracts (2-4 pages) and full papers (max. 11 pages). 

Invited are contributions on all aspects of description logics, including, but not limited to: - Foundations of description logics - Extensions of description logics - Integration of description logics with other formalisms - Applications of description logics - Systems and tools of all kinds around description logics.

For more information, see https://dl-2026.github.io/ or contact Alisa Kovtunova at , or Barýþ Sertkaya at .

17 - 19 July 2026, 24th International Workshop on Nonmonotonic Reasoning, Lisbon [PT]

Date: 17 - 19 July 2026
Location: Lisbon [PT]
Target audience: Researchers and students in AI, knowledge representation and nonmonotonic reasoning.
Deadline: Friday 10 April 2026

NMR is the premier forum for results in the area of Nonmonotonic Reasoning. Its aim is to bring together active researchers in this broad field within knowledge representation and reasoning (KR), including belief revision, uncertain reasoning, reasoning about actions, planning, logic programming, preferences, argumentation, causality, and many other related topics including systems and applications. 

Reseracher are invited to submit full papers or extended abstracts. Areas of interest include (but are not limited to): Categorical logic, Computability theory, History of Logic, Logic in Computer Science, Logic in Human Reasoning, Model theory Nonclassical and modal logics, Philosophical logic, Proof theory, Reasoning in AI, Set theory. 

Papers should be written in English, a maximum of 5 pages long, and prepared (in PDF format) using the EasyChair class style. Submissions will happen through EasyChair.

For more information, see https://nmr.krportal.org/2026/ or contact Ana Ozaki at , or Nico Potyka at .

17 - 19 July 2026, 39th International Workshop on Description Logics (DL 2026), Lisbon [PT]

Date: 17 - 19 July 2026
Location: Lisbon [PT]
Deadline: Tuesday 14 April 2026

The DL workshop is the major annual event of the description logic research community. It aims to bring together researchers from academia and industry that work in this field or in related fields. The workshop is co-located with KR 2026, the 23rd International Conference on Principles of Knowledge Representation and Reasoning as part of FLOC 2026, the Federated Logic Conference.

Two submission categories are open: extended abstracts (2-4 pages) and full papers (max. 11 pages). 

Invited are contributions on all aspects of description logics, including, but not limited to: - Foundations of description logics - Extensions of description logics - Integration of description logics with other formalisms - Applications of description logics - Systems and tools of all kinds around description logics.

For more information, see https://dl-2026.github.io/ or contact Alisa Kovtunova at , or Barýþ Sertkaya at .

18 July 2026, Structure Meets Power 2026 (LICS Workshop @ FLoC), Lisbon [PT] and online

Date: Saturday 18 July 2026
Location: Lisbon [PT] and online
Deadline: Friday 15 May 2026

There is a remarkable divide in the field of Logic in Computer Science between two distinct strands: one focuses on semantics and compositionality (“Structure”), the other on expressiveness and complexity (“Power”). These two traditions are studied by almost disjoint research communities using distinct technical languages and methods. We believe that bringing these communities and research fields together is an important objective for Computer Science, which may hold the key to fundamental advances in the field.

The aim of this workshop is to attract researchers working at the boundary of these two strands, as well as those on either side of the divide who are interested in establishing new connections.

Researchers wishing to give a talk at the workshop are invited to submit an extended abstract of up to three pages (excluding references) describing the key points of the proposed presentation on the topics of semantics and/or compositionality in the field of Logic in Computer Science. 

Submissions at all stages of development are invited, including novel contributions, previously published work, work in progress, and survey-style presentations. Depending on the number of submissions, contributed talks will be 20–30 minutes in length.

18 - 19 July 2026, LCC 2026 – 16th Intl. Workshop on Logic and Computational Complexity, Lisbon [PT]

Date: 18 - 19 July 2026
Location: Lisbon [PT]
Deadline: Sunday 10 May 2026

LCC meetings are aimed at the foundational interconnections between logic and computational complexity, as present, for example, in implicit computational complexity (descriptive and type-theoretic methods); deductive formalisms as they relate to complexity (e.g. ramification, weak comprehension, bounded arithmetic, linear logic and resource logics); complexity aspects of finite model theory and databases; complexity-mindful program derivation and verification; computational complexity at higher type; and proof complexity. 

This year's edition is a part of the Federated Logic Conference FLoC’26.

LCC meetings are aimed at the foundational interconnections between logic and computational complexity.

Welcomed are submissions of abstracts based on work which may be submitted or published elsewhere, provided that all pertinent information is disclosed at submission time. There will be no formal reviewing as is usually understood in peer-reviewed conferences with published proceedings. The program committee checks relevance and may provide additional feedback.

17 - 19 July 2026, 24th International Workshop on Nonmonotonic Reasoning, Lisbon [PT]

Date: 17 - 19 July 2026
Location: Lisbon [PT]
Target audience: Researchers and students in AI, knowledge representation and nonmonotonic reasoning.
Deadline: Friday 10 April 2026

NMR is the premier forum for results in the area of Nonmonotonic Reasoning. Its aim is to bring together active researchers in this broad field within knowledge representation and reasoning (KR), including belief revision, uncertain reasoning, reasoning about actions, planning, logic programming, preferences, argumentation, causality, and many other related topics including systems and applications. 

Reseracher are invited to submit full papers or extended abstracts. Areas of interest include (but are not limited to): Categorical logic, Computability theory, History of Logic, Logic in Computer Science, Logic in Human Reasoning, Model theory Nonclassical and modal logics, Philosophical logic, Proof theory, Reasoning in AI, Set theory. 

Papers should be written in English, a maximum of 5 pages long, and prepared (in PDF format) using the EasyChair class style. Submissions will happen through EasyChair.

For more information, see https://nmr.krportal.org/2026/ or contact Ana Ozaki at , or Nico Potyka at .

17 - 19 July 2026, 39th International Workshop on Description Logics (DL 2026), Lisbon [PT]

Date: 17 - 19 July 2026
Location: Lisbon [PT]
Deadline: Tuesday 14 April 2026

The DL workshop is the major annual event of the description logic research community. It aims to bring together researchers from academia and industry that work in this field or in related fields. The workshop is co-located with KR 2026, the 23rd International Conference on Principles of Knowledge Representation and Reasoning as part of FLOC 2026, the Federated Logic Conference.

Two submission categories are open: extended abstracts (2-4 pages) and full papers (max. 11 pages). 

Invited are contributions on all aspects of description logics, including, but not limited to: - Foundations of description logics - Extensions of description logics - Integration of description logics with other formalisms - Applications of description logics - Systems and tools of all kinds around description logics.

For more information, see https://dl-2026.github.io/ or contact Alisa Kovtunova at , or Barýþ Sertkaya at .

18 - 19 July 2026, LCC 2026 – 16th Intl. Workshop on Logic and Computational Complexity, Lisbon [PT]

Date: 18 - 19 July 2026
Location: Lisbon [PT]
Deadline: Sunday 10 May 2026

LCC meetings are aimed at the foundational interconnections between logic and computational complexity, as present, for example, in implicit computational complexity (descriptive and type-theoretic methods); deductive formalisms as they relate to complexity (e.g. ramification, weak comprehension, bounded arithmetic, linear logic and resource logics); complexity aspects of finite model theory and databases; complexity-mindful program derivation and verification; computational complexity at higher type; and proof complexity. 

This year's edition is a part of the Federated Logic Conference FLoC’26.

LCC meetings are aimed at the foundational interconnections between logic and computational complexity.

Welcomed are submissions of abstracts based on work which may be submitted or published elsewhere, provided that all pertinent information is disclosed at submission time. There will be no formal reviewing as is usually understood in peer-reviewed conferences with published proceedings. The program committee checks relevance and may provide additional feedback.

20 - 23 July 2026, 23rd Int. Conference on Principles of Knowledge Representation and Reasoning (KR 2026), Lisbon, Portugal

Date: 20 - 23 July 2026
Location: Lisbon, Portugal
Deadline: Friday 13 February 2026

Knowledge Representation and Reasoning (KR) is a well-established and vibrant field of research within Artificial Intelligence. KR builds on the fundamental thesis that knowledge can often be represented in an explicit declarative form, suitable for processing by dedicated symbolic reasoning engines. This enables the exploitation of knowledge that would otherwise be implicit through semantically grounded inference mechanisms. KR has contributed to the theory and practice of various areas of AI, including agents, automated planning, robotics and natural language processing, and to fields beyond AI, including data management, semantic web, verification, software engineering, computational biology, and cybersecurity.

The KR conference series is the leading forum for timely, in-depth presentation of progress in the theory and practice of the representation and computational management of knowledge. 

KR2026 will be part of the Federated Logic Conference (FLoC 2026).

For more information, see https://kr.org/KR2026/.

20 - 24 July 2026, Summer School for Widening Participation in Mathematical Philosophy, Munich [DE]

Date: 20 - 24 July 2026
Location: Munich [DE]
Target audience: students
Costs: EUR 80

The 2026 edition of the summer school is open to women and members of other groups that are under-represented in mathematical philosophy. These groups include under-represented gender identities, races and ethnicities, people with disabilities, people from low income and non-academic family backgrounds. The target level is master students and last year-bachelor students.

The school's aim is to encourage students to engage with mathematical and scientific approaches to philosophical problems, and thereby help to redress the under-representation of women and other marginalized groups in mathematical philosophy. It offers the opportunity for study in an informal and interdisciplinary setting, for lively debate, and for the development of a network of students and professors interested in the application of formal methods to philosophy.

20 - 23 July 2026, 23rd Int. Conference on Principles of Knowledge Representation and Reasoning (KR 2026), Lisbon, Portugal

Date: 20 - 23 July 2026
Location: Lisbon, Portugal
Deadline: Friday 13 February 2026

Knowledge Representation and Reasoning (KR) is a well-established and vibrant field of research within Artificial Intelligence. KR builds on the fundamental thesis that knowledge can often be represented in an explicit declarative form, suitable for processing by dedicated symbolic reasoning engines. This enables the exploitation of knowledge that would otherwise be implicit through semantically grounded inference mechanisms. KR has contributed to the theory and practice of various areas of AI, including agents, automated planning, robotics and natural language processing, and to fields beyond AI, including data management, semantic web, verification, software engineering, computational biology, and cybersecurity.

The KR conference series is the leading forum for timely, in-depth presentation of progress in the theory and practice of the representation and computational management of knowledge. 

KR2026 will be part of the Federated Logic Conference (FLoC 2026).

For more information, see https://kr.org/KR2026/.

20 - 24 July 2026, Summer School for Widening Participation in Mathematical Philosophy, Munich [DE]

Date: 20 - 24 July 2026
Location: Munich [DE]
Target audience: students
Costs: EUR 80

The 2026 edition of the summer school is open to women and members of other groups that are under-represented in mathematical philosophy. These groups include under-represented gender identities, races and ethnicities, people with disabilities, people from low income and non-academic family backgrounds. The target level is master students and last year-bachelor students.

The school's aim is to encourage students to engage with mathematical and scientific approaches to philosophical problems, and thereby help to redress the under-representation of women and other marginalized groups in mathematical philosophy. It offers the opportunity for study in an informal and interdisciplinary setting, for lively debate, and for the development of a network of students and professors interested in the application of formal methods to philosophy.

20 - 23 July 2026, 23rd Int. Conference on Principles of Knowledge Representation and Reasoning (KR 2026), Lisbon, Portugal

Date: 20 - 23 July 2026
Location: Lisbon, Portugal
Deadline: Friday 13 February 2026

Knowledge Representation and Reasoning (KR) is a well-established and vibrant field of research within Artificial Intelligence. KR builds on the fundamental thesis that knowledge can often be represented in an explicit declarative form, suitable for processing by dedicated symbolic reasoning engines. This enables the exploitation of knowledge that would otherwise be implicit through semantically grounded inference mechanisms. KR has contributed to the theory and practice of various areas of AI, including agents, automated planning, robotics and natural language processing, and to fields beyond AI, including data management, semantic web, verification, software engineering, computational biology, and cybersecurity.

The KR conference series is the leading forum for timely, in-depth presentation of progress in the theory and practice of the representation and computational management of knowledge. 

KR2026 will be part of the Federated Logic Conference (FLoC 2026).

For more information, see https://kr.org/KR2026/.

20 - 24 July 2026, Summer School for Widening Participation in Mathematical Philosophy, Munich [DE]

Date: 20 - 24 July 2026
Location: Munich [DE]
Target audience: students
Costs: EUR 80

The 2026 edition of the summer school is open to women and members of other groups that are under-represented in mathematical philosophy. These groups include under-represented gender identities, races and ethnicities, people with disabilities, people from low income and non-academic family backgrounds. The target level is master students and last year-bachelor students.

The school's aim is to encourage students to engage with mathematical and scientific approaches to philosophical problems, and thereby help to redress the under-representation of women and other marginalized groups in mathematical philosophy. It offers the opportunity for study in an informal and interdisciplinary setting, for lively debate, and for the development of a network of students and professors interested in the application of formal methods to philosophy.

20 - 23 July 2026, 23rd Int. Conference on Principles of Knowledge Representation and Reasoning (KR 2026), Lisbon, Portugal

Date: 20 - 23 July 2026
Location: Lisbon, Portugal
Deadline: Friday 13 February 2026

Knowledge Representation and Reasoning (KR) is a well-established and vibrant field of research within Artificial Intelligence. KR builds on the fundamental thesis that knowledge can often be represented in an explicit declarative form, suitable for processing by dedicated symbolic reasoning engines. This enables the exploitation of knowledge that would otherwise be implicit through semantically grounded inference mechanisms. KR has contributed to the theory and practice of various areas of AI, including agents, automated planning, robotics and natural language processing, and to fields beyond AI, including data management, semantic web, verification, software engineering, computational biology, and cybersecurity.

The KR conference series is the leading forum for timely, in-depth presentation of progress in the theory and practice of the representation and computational management of knowledge. 

KR2026 will be part of the Federated Logic Conference (FLoC 2026).

For more information, see https://kr.org/KR2026/.

20 - 24 July 2026, Summer School for Widening Participation in Mathematical Philosophy, Munich [DE]

Date: 20 - 24 July 2026
Location: Munich [DE]
Target audience: students
Costs: EUR 80

The 2026 edition of the summer school is open to women and members of other groups that are under-represented in mathematical philosophy. These groups include under-represented gender identities, races and ethnicities, people with disabilities, people from low income and non-academic family backgrounds. The target level is master students and last year-bachelor students.

The school's aim is to encourage students to engage with mathematical and scientific approaches to philosophical problems, and thereby help to redress the under-representation of women and other marginalized groups in mathematical philosophy. It offers the opportunity for study in an informal and interdisciplinary setting, for lively debate, and for the development of a network of students and professors interested in the application of formal methods to philosophy.

20 - 24 July 2026, Summer School for Widening Participation in Mathematical Philosophy, Munich [DE]

Date: 20 - 24 July 2026
Location: Munich [DE]
Target audience: students
Costs: EUR 80

The 2026 edition of the summer school is open to women and members of other groups that are under-represented in mathematical philosophy. These groups include under-represented gender identities, races and ethnicities, people with disabilities, people from low income and non-academic family backgrounds. The target level is master students and last year-bachelor students.

The school's aim is to encourage students to engage with mathematical and scientific approaches to philosophical problems, and thereby help to redress the under-representation of women and other marginalized groups in mathematical philosophy. It offers the opportunity for study in an informal and interdisciplinary setting, for lively debate, and for the development of a network of students and professors interested in the application of formal methods to philosophy.

27 - 31 July 2026, Computability in Europe 2026 (CiE 2026), Trier [D]

Date: 27 - 31 July 2026
Location: Trier [D]
Deadline: Thursday 29 January 2026

Computability in Europe (CiE) is a conference series interfacing informatics and mathematics.

CiE 2026 will be colocated with other conferences and workshops:

  • MCU 2026: Machines, Computability, Universality,
  • CCA 2026: Computability and Complexity in Analysis,
  • GSW 2026: Grammar Systems Workshop
For more information, see https://www.acie.eu/cie-conference-series/ or contact Prof. dr. Henning Fernau (organizing committee chair) at .

27 - 31 July 2026, TACL 2026 – 12th Int’l Conference on Topology, Algebra and Categories in Logic, Krakow [PL]

Date: 27 - 31 July 2026
Location: Krakow [PL]
Deadline: Monday 23 February 2026

The programme of TACL 2026 will focus on three interconnected mathematical themes that are central to the semantic study of logic and its applications: algebraic, categorical, and topological methods. 

For more information, see https://iphils.uj.edu.pl/tacl or contact .

27 - 31 July 2026, Computability in Europe 2026 (CiE 2026), Trier [D]

Date: 27 - 31 July 2026
Location: Trier [D]
Deadline: Thursday 29 January 2026

Computability in Europe (CiE) is a conference series interfacing informatics and mathematics.

CiE 2026 will be colocated with other conferences and workshops:

  • MCU 2026: Machines, Computability, Universality,
  • CCA 2026: Computability and Complexity in Analysis,
  • GSW 2026: Grammar Systems Workshop
For more information, see https://www.acie.eu/cie-conference-series/ or contact Prof. dr. Henning Fernau (organizing committee chair) at .

27 - 31 July 2026, TACL 2026 – 12th Int’l Conference on Topology, Algebra and Categories in Logic, Krakow [PL]

Date: 27 - 31 July 2026
Location: Krakow [PL]
Deadline: Monday 23 February 2026

The programme of TACL 2026 will focus on three interconnected mathematical themes that are central to the semantic study of logic and its applications: algebraic, categorical, and topological methods. 

For more information, see https://iphils.uj.edu.pl/tacl or contact .

27 - 31 July 2026, Computability in Europe 2026 (CiE 2026), Trier [D]

Date: 27 - 31 July 2026
Location: Trier [D]
Deadline: Thursday 29 January 2026

Computability in Europe (CiE) is a conference series interfacing informatics and mathematics.

CiE 2026 will be colocated with other conferences and workshops:

  • MCU 2026: Machines, Computability, Universality,
  • CCA 2026: Computability and Complexity in Analysis,
  • GSW 2026: Grammar Systems Workshop
For more information, see https://www.acie.eu/cie-conference-series/ or contact Prof. dr. Henning Fernau (organizing committee chair) at .

27 - 31 July 2026, TACL 2026 – 12th Int’l Conference on Topology, Algebra and Categories in Logic, Krakow [PL]

Date: 27 - 31 July 2026
Location: Krakow [PL]
Deadline: Monday 23 February 2026

The programme of TACL 2026 will focus on three interconnected mathematical themes that are central to the semantic study of logic and its applications: algebraic, categorical, and topological methods. 

For more information, see https://iphils.uj.edu.pl/tacl or contact .

27 - 31 July 2026, Computability in Europe 2026 (CiE 2026), Trier [D]

Date: 27 - 31 July 2026
Location: Trier [D]
Deadline: Thursday 29 January 2026

Computability in Europe (CiE) is a conference series interfacing informatics and mathematics.

CiE 2026 will be colocated with other conferences and workshops:

  • MCU 2026: Machines, Computability, Universality,
  • CCA 2026: Computability and Complexity in Analysis,
  • GSW 2026: Grammar Systems Workshop
For more information, see https://www.acie.eu/cie-conference-series/ or contact Prof. dr. Henning Fernau (organizing committee chair) at .

27 - 31 July 2026, TACL 2026 – 12th Int’l Conference on Topology, Algebra and Categories in Logic, Krakow [PL]

Date: 27 - 31 July 2026
Location: Krakow [PL]
Deadline: Monday 23 February 2026

The programme of TACL 2026 will focus on three interconnected mathematical themes that are central to the semantic study of logic and its applications: algebraic, categorical, and topological methods. 

For more information, see https://iphils.uj.edu.pl/tacl or contact .

27 - 31 July 2026, Computability in Europe 2026 (CiE 2026), Trier [D]

Date: 27 - 31 July 2026
Location: Trier [D]
Deadline: Thursday 29 January 2026

Computability in Europe (CiE) is a conference series interfacing informatics and mathematics.

CiE 2026 will be colocated with other conferences and workshops:

  • MCU 2026: Machines, Computability, Universality,
  • CCA 2026: Computability and Complexity in Analysis,
  • GSW 2026: Grammar Systems Workshop
For more information, see https://www.acie.eu/cie-conference-series/ or contact Prof. dr. Henning Fernau (organizing committee chair) at .

27 - 31 July 2026, TACL 2026 – 12th Int’l Conference on Topology, Algebra and Categories in Logic, Krakow [PL]

Date: 27 - 31 July 2026
Location: Krakow [PL]
Deadline: Monday 23 February 2026

The programme of TACL 2026 will focus on three interconnected mathematical themes that are central to the semantic study of logic and its applications: algebraic, categorical, and topological methods. 

For more information, see https://iphils.uj.edu.pl/tacl or contact .