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math.AT2026
2-Equivariant 2-Vector bundles and 2K-theories
Zhen Huan
We define 2-vector bundles over a Lie groupoid as pseudofunctors into the bicategory of finite-dimensional super algebras, bimodules, and intertwiners. The resulting 2K-theory, obt…
math.AT2025
Twisted equivariant quasi-elliptic cohomology and M-brane charge
Zhen Huan
In this paper we construct a twisted version of quasi-elliptic cohomology. This theory can be constructed as a K-theory of a loop space. After establishing basic properties of the…