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SUMMARY:Frédéric Chapoton (CNRS\, Strasbourg)
DTSTART:20210910T130000Z
DTEND:20210910T140000Z
DTSTAMP:20260423T021529Z
UID:ACPMS/6
DESCRIPTION:Title: <a href="https://researchseminars.org/talk/ACPMS/6/">Mu
 ltiple zeta values and zinbiel algebras</a>\nby Frédéric Chapoton (CNRS\
 , Strasbourg) as part of Algebraic and Combinatorial Perspectives in the M
 athematical Sciences\n\n\nAbstract\nWe will explain the construction\, usi
 ng the notion of Zinbiel algebra\, of some commutative subalgebras $C_{u\,
 v}$ inside an algebra of formal iterated integrals. There is a quotient ma
 p from this algebra of formal iterated integrals to the algebra of motivic
  multiple zeta values. Restricting this quotient map to the subalgebras $C
 _{u\,v}$ gives a morphism of graded commutative algebras with the same gen
 erating series. This is conjectured to be generically an isomorphism. When
  $u+v = 0$\, the image is instead a sub-algebra of the algebra of motivic 
 multiple zeta values.\n
LOCATION:https://researchseminars.org/talk/ACPMS/6/
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