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BEGIN:VEVENT
UID:/NewsandEvents/Archives/2025/newsitem/15679/9-
 August-2025-HirstFest-Combinatorics-in-Subsystems-
 of-Second-Order-Arithmetic-Vienna-Austria
DTSTAMP:20250605T232727
SUMMARY:HirstFest: Combinatorics in Subsystems of 
 Second-Order Arithmetic, Vienna, Austria
DTSTART;VALUE=DATE:20250809
DTEND;VALUE=DATE:20250809
LOCATION:Vienna, Austria
DESCRIPTION:We are happy to announce "Combinatoric
 s (and much more) in subsystems of second-order ar
 ithmetic: A conference in honor of Jeff Hirst", to
  take place on Saturday, August 9, 2025 at TU Wien
  in Vienna, Austria. Please join us for a meeting 
 celebrating the mathematical contributions of Jeff
 , organized by his friends and colleagues on the o
 ccasion of his retirement.  The invited speakers a
 re Peter Cholak (Notre Dame), Oriola Gjetaj (Ghent
  University), Katarzyna Kowalik (University of War
 saw), Alberto Marcone (University of Udine), Carl 
 Mummert (Marshall University), and Stephen Simpson
  (Pennsylvania State University & Vanderbilt Unive
 rsity).
X-ALT-DESC;FMTTYPE=text/html:\n  <p>We are happy t
 o announce &quot;Combinatorics (and much more) in 
 subsystems of second-order arithmetic: A conferenc
 e in honor of Jeff Hirst&quot;, to take place on S
 aturday, August 9, 2025 at TU Wien in Vienna, Aust
 ria. Please join us for a meeting celebrating the 
 mathematical contributions of Jeff, organized by h
 is friends and colleagues on the occasion of his r
 etirement.</p>\n  <p>The invited speakers are Pete
 r Cholak (Notre Dame), Oriola Gjetaj (Ghent Univer
 sity), Katarzyna Kowalik (University of Warsaw), A
 lberto Marcone (University of Udine), Carl Mummert
  (Marshall University), and Stephen Simpson (Penns
 ylvania State University & Vanderbilt University).
 </p>\n
URL:https://hirstfest.computability.org/
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