BEGIN:VCALENDAR
VERSION:2.0
PRODID:icalendar-ruby
CALSCALE:GREGORIAN
X-WR-CALNAME:Algebraic Topology Seminar
X-WR-TIMEZONE:Eastern Time (US & Canada)
BEGIN:VEVENT
DTSTAMP:20260719T151526Z
UID:tag:localist.com\,2008:EventInstance_52638533380904
DTSTART:20260511T203000Z
DTEND:20260511T213000Z
DESCRIPTION:Speaker: Sadok Kallel (American University of Sharjah\, UAE)\n\
 nTitle: Combinatorial Invariants of Stratified Spaces\n\nAbstract: We cons
 truct a Grothendieck ring for poset-stratified spaces and use it to comput
 e the topological Euler characteristic of a number of constructions in top
 ology and geometry. This ring is defined on a suitable essentially small s
 ubcategory of Top and offers a flexible real analog of the Grothendieck ri
 ng of varieties in algebraic geometry. A number of applications are given 
 to orbifolds and to spaces stratified by configuration spaces\, like chrom
 atic configuration spaces\, bounded multiplicity configurations or finite 
 subset spaces.
GEO:42.358262;-71.090045
LOCATION:Building 2\, 131
SUMMARY:Algebraic Topology Seminar
URL;VALUE=URI:https://calendar.mit.edu/event/algebraic-topology-seminar-286
 8
CATEGORIES:Conferences/Seminars/Lectures
END:VEVENT
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