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UID:/NewsandEvents/Archives/2010/newsitem/3386/26-
May-2010-General-Mathematics-Colloquium-Alessandra
-Palmigiano
DTSTAMP:20100513T000000
SUMMARY:General Mathematics Colloquium, Alessandra
Palmigiano
ATTENDEE;ROLE=Speaker:Alessandra Palmigiano
DTSTART;TZID=Europe/Amsterdam:20100526T111500
DTEND;TZID=Europe/Amsterdam:20100526T121500
LOCATION:Room A.104, Science Park 904, Amsterdam
DESCRIPTION:Quantales are very simple ordered alge
bras which can be thought of as pointfree noncommu
tative topologies. In recent years, their connecti
ons have been studied with fundamental notions in
noncommutative geometry such as groupoids and C*-a
lgebras. In particular, the class of quantales cor
responding to certain very well behaved groupoids
(the etale groupoids) has been identified by means
of a non-functorial duality. However, there are v
ery interesting examples of groupoids that do not
belong to this class. For instance, groupoids that
arise from group actions on topological spaces. I
n a joint work with Riccardo Re, the non-functoria
l duality has been extended to these latter groupo
ids as well. In the talk, I will introduce this li
ne of research, sketch the main ideas of the duali
ty, and discuss some examples. http://www.science
.uva.nl/research/math/Calendar/colloq/
X-ALT-DESC;FMTTYPE=text/html:\n Quantale
s are very simple ordered algebras which can be th
ought of as pointfree noncommutative topologies. I
n recent years, their connections have been studie
d with fundamental notions in noncommutative geome
try such as groupoids and C*-algebras. In particul
ar, the class of quantales corresponding to certai
n very well behaved groupoids (the etale groupoids
) has been identified by means of a non-functorial
duality. However, there are very interesting exam
ples of groupoids that do not belong to this class
. For instance, groupoids that arise from group ac
tions on topological spaces. In a joint work with
Riccardo Re, the non-functorial duality has been e
xtended to these latter groupoids as well. In the
talk, I will introduce this line of research, sket
ch the main ideas of the duality, and discuss some
examples.

\n\n \n http://www.science.uva.nl/resear
ch/math/Calendar/colloq/

\n\n
URL:/NewsandEvents/Archives/2010/newsitem/3386/26-
May-2010-General-Mathematics-Colloquium-Alessandra
-Palmigiano
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