Zheyan Wan

activity

20172026

most citedHigher Anomalies, Higher Symmetries, and Cobordisms I: Classification of Higher-Symmetry-Protected Topological States and Their Boundary Fermionic/Bosonic Anomalies via a Generalized Cobordism Theory

87 citations · 582 across the 25 of their papers we have counts for

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3 papers · 1 filter

math.GT2023

Topological complexity of finding flex points on cubic plane curves

Weiyan Chen, Zheyan Wan

We prove a lower bound for the topological complexity, in the sense of Smale, of the problem of finding a flex point on a cubic plane curve. The key is to bound the Schwarz genus o…

math.GT2023★ 1 cited

The photography method: solving pentagon equation

Vassily Olegovich Manturov, Zheyan Wan

In the present paper, we consider two applications of the pentagon equation. The first deals with actions of flips on edges of triangulations labelled by rational functions in some…

math.GT2020

Studying complex manifolds by using groups $G_{n}^{k}$ and $Γ_{n}^{k}$

Vassily Olegovich Manturov, Zheyan Wan

In the present paper, we study several complex manifolds by using the following idea. First, we construct a certain moduli space and study the fundamental group of this space. This…

Topological complexity of finding flex points on cubic plane curves

The photography method: solving pentagon equation

Studying complex manifolds by using groups Gnk​ and Γnk​

Studying complex manifolds by using groups $G_{n}^{k}$ and $Γ_{n}^{k}$