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Relations on M¯¯¯¯¯g,n via equivariant G...
Janda, Felix...
Relations on M¯¯¯¯¯g,n via equivariant Gromov-Witten theory of P1 by Janda, Felix ( Author )
N.A
28-09-2015
We give a proof of Pixton's generalized Faber-Zagier relations in the tautological Chow ring of M¯¯¯¯¯g,n. The strategy is very similar to the work of Pandharipande-Pixton-Zvonkine, who have given a proof of the same result in cohomology. The main tool is the Givental-Teleman classification of semisimple cohomological field theories, which, while in general only known in cohomology, via virtual localization can be shown to be also valid in Chow for the equivariant Gromov-Witten theory of the projective line. We obtain the relations just from this theory.
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English
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MYR 0.00
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https://arxiv.org/abs/1509.08421
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