Givental symmetries of Frobenius manifolds and multi-component KP tau-functions

Evgeny Feigin, Johan van de Leur, Sergey Shadrin

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

We establish a link between two different constructions of the action of the twisted loop group on the space of Frobenius structures. The first construction (due to Givental) describes the action of the twisted loop group on the partition functions of formal (axiomatic) Gromov-Witten theories. The explicit formulas for the corresponding tangent action were computed by Y.-P. Lee. The second construction (due to van de Leur) describes the action of the same group on the space of Frobenius structures via the multi-component KP hierarchies. Our main theorem states that the genus zero restriction of the Y.-P. Lee formulas coincides with the tangent van de Leur action.

Original languageEnglish
Pages (from-to)1031-1056
Number of pages26
JournalAdvances in Mathematics
Volume224
Issue number3
DOIs
Publication statusPublished - Jun 2010
Externally publishedYes

Keywords

  • Frobenius manifolds
  • KP tau-functions

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