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On modified Ringel-Hall algebras of complexes
编辑:林煜发布时间:2019年03月27日

Speaker:Liangang Peng( Sichuan University

Time:2019-03-27,14:00

Location: Conference Room 105 at Experiment Building at Haiyun Campus

Abstract: In this talk I shall introduce my work jointed with LU Ming or LIN Ji on the modified Ringel-Hall algebra of period or bounded complexes of a hereditary abelian category. This is a kind of Ringel-Hall algebras which has a nice structure is related directlyto the Drinfeld double, Green’s formula on Ringel-Hall numbers, the derived Hall algebras etc.



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