Parametrised moduli spaces of surfaces as infinite loop spaces

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We study the -algebra consisting of free loop spaces of moduli spaces of Riemann surfaces with one parametrised boundary component, and compute the homotopy type of the group completion: it is the product of with a certain free -space depending on the family of all boundary-irreducible mapping classes in all mapping class groups with and.

Original languageEnglish
Article numbere39
JournalForum of Mathematics, Sigma
Volume10
Pages (from-to)1-42
DOIs
Publication statusPublished - 2022

Bibliographical note

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    Research areas

  • arc system, coloured operad, free loop space, homological stability, infinite loop space, mapping class group, mapping space, moduli space

ID: 314445957