You are cordially invited to the Algebra Seminar organized by the Department of Mathematics.<\/p>\n
Speaker: John McHugh (University of California, Santa Cruz)
\n\u201cCoherence conditions for the characters of trivial source modules\u201d<\/p>\n
Abstract: Recently, Boltje and Carman described a ring of so-called \u201ccoherent character tuples\u201d which is isomorphic to the trivial source ring of a finite group. I will explain refinements of Boltje and Carman\u2019s result that describe the Grothendieck group of the category of trivial source modules belonging to a fixed p-block of a finite group. These refinements are used to introduce a new type of block equivalence which we call a \u201cstrong isotypy.\u201d A splendid Rickard equivalence or a p-permutation equivalence induces a strong isotypy, and a strong isotypy restricts to an isotypy in the sense of Brou\u00e9.<\/p>\n
Date: Wednesday, February 21, 2024
\nTime: 17:30
\nPlace: ZOOM<\/p>\n
To request the event link, please send a message to\u00a0d.yilmaz@bilkent.edu.tr<\/a><\/p>\n","protected":false},"excerpt":{"rendered":" You are cordially invited to the Algebra Seminar organized by the Department of Mathematics. Speaker: John McHugh (University of California, Santa Cruz) \u201cCoherence conditions for the characters of trivial source modules\u201d Abstract: Recently, Boltje and Carman described a ring of so-called \u201ccoherent character tuples\u201d which is isomorphic to the trivial [\u2026] <\/p>\n