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URL:/combinatorics-and-optimization/events/algebraic-co
 mbinatorics-seminar-matt-szczesny
SUMMARY:Algebraic Combinatorics Seminar - Matt Szczesny
CLASS:PUBLIC
DESCRIPTION:Summary \n\nTITLE: Combinatorial Hall algebras\n\nSpeaker:\n M
 att Szczesny\n\nAffiliation:\n Boston University\n\nRoom:\n MC 5417\n\nABS
 TRACT:\n\nThe Hall algebra of a finitary category is an associative (and\n
 sometimes Hopf) algebra whose structure constants count the number of\next
 ensions between objects.\n 
DTSTAMP:20250521T000741Z
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