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SUMMARY:Nathan Ilten (Simon Fraser University)
DTSTART:20210923T223000Z
DTEND:20210923T233000Z
DTSTAMP:20260422T054117Z
UID:SFUQNTAG/47
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/SFUQNTAG/47/
 ">Cluster algebras and deformation theory</a>\nby Nathan Ilten (Simon Fras
 er University) as part of SFU NT-AG seminar\n\n\nAbstract\nCluster Algebra
 s\, introduced in 2001 by Fomin and Zelevinsky\, are a kind of commutative
  ring equipped with special combinatorial structure. They appear in a rang
 e of contexts\, from representation theory to mirror symmetry. After provi
 ding a gentle introduction to cluster algebras\, I will report on one aspe
 ct of work-in-progress with Alfredo Nájera Chávez and Hipolito Treffinge
 r. We show that for cluster algebras of finite type\, the cluster algebra 
 with universal coefficients is equal to a canonically identified subfamily
  of the semiuniversal family for the Stanley-Reisner ring of the cluster c
 omplex.\n
LOCATION:https://researchseminars.org/talk/SFUQNTAG/47/
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