Motivic classes of commuting varieties via power structures
作者： Jim Bryan , Andrew Morrison
DOI: 10.1090/S1056-3911-2014-00657-3
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摘要: We prove a formula, originally due to Feit and Fine, for the class of commuting variety in Grothendieck group varieties. Our method, which uses power structure on stacks, allows us several refinements generalizations Feit-Fine formula. main application is motivic Donaldson-Thomas theory.
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