منابع مشابه
Heisenberg Groups and Algebraic Topology
We study the Madsen-Tillmann spectrum CP∞ −1 as a quotient of the Mahowald pro-object CP∞ −∞ , which is closely related to the Tate cohomology of circle actions. That theory has an associated symplectic structure, whose symmetries define the Virasoro operations on the cohomology of moduli space constructed by Kontsevich and Witten.
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ژورنال
عنوان ژورنال: Aequationes mathematicae
سال: 2020
ISSN: 0001-9054,1420-8903
DOI: 10.1007/s00010-020-00701-w