activity
20032026
most citedModular Forms and Generalized Anomaly Cancellation Formulas

16 citations · 77 across the 37 of their papers we have counts for

collaborators

38 papers

hep-th2026

Brane space localization and genus-0 T-duality with -flux

Fei Han, Varghese Mathai

We construct a geometric theory on the brane space associated to a gerbe with connection on . Normalized logarithmic holonomy around the latitude circles…

hep-th2026

Moduli Spaces of Connections and B-fields from T-duality with H-flux

Fei Han, Pedram Hekmati, Tsuyoshi Kato +1

We study the geometry of mixed fields, consisting of a connection and a -field on a principal circle bundle over a Riemann surface, from the perspective of gauge theory and T-du…

math.DG2026

Elliptic Chern Characters and Elliptic Atiyah--Witten Formula

Geyang Dai, Fei Han

Let be a compact, connected, and simply connected Lie group. A principal -bundle over a manifold , equipped with a connection, together with a positive-energy representat…

math.AT2025

An Almost Flat Spin Manifold Bounds

Fei Han, Ruizhi Huang, Weiping Zhang

We prove that every almost flat spin^ manifold bounds a compact orientable manifold, thereby settling, in the spin^ case, a long-standing conjecture of Farrell--Zdravkovska a…

math.AT2025

Differential Models for the Anderson Dual to Twisted -Bordism and a Twisted Anomaly Map

Fei Han, Yuanchu Li

We construct differential models for degree-3 twisted -bordism and for its Anderson dual. The model for the differential Anderson dual is based on the framework of…

hep-th2025

Loop Hori Formulae for T-duality and Twisted Bismut-Chern Character

Fei Han, Varghese Mathai

The main purpose of this paper is to establish the loop space formulation of T-duality in the presence of background flux. In particular, we construct a loop space analogue of the…