activity
20122026
most citedThe center of monoidal 2-categories in 3+1D Dijkgraaf-Witten Theory

57 citations · 146 across the 19 of their papers we have counts for

collaborators

19 papers

math.GT2026

A polynomial invariant of planar curves

Zhiyun Cheng, Yin Tian, Tianyu Yuan

We construct a polynomial invariant of planar curves via skein relations, which generalizes Arnold's numerical invariant .

math.SG2026

Obstructions to smoothing orbicurves and Orbifold Hecke algebras

Ko Honda, Roman Krutowski, Yin Tian +1

In this paper, we study obstructions to smoothing nodal orbicurves with orbighosts mapped into cyclic quotient singularities. As an application, we show, under some assumptions, th…

math.GT2026

Kauffman bracket skein homology from Heegaard splittings

Yin Tian, Xiao Wang

We extend the Kauffman bracket skein module of three manifolds to a homology theory in a combinatorial way. The resulting homology depends on Heegaard splittings of three manifolds…

math.DG2026

Generalized Frobenius Manifold Structures on the Orbit Spaces of Affine Weyl Groups II

Lingrui Jiang, Si-qi Liu, Yingchao Tian +1

This is a sequel to arXiv:2506.13656, in which an approach to construct a class of generalized Frobenius manifold structures on the orbit spaces of affine Weyl groups is presented.…

math.DG2025

Generalized Frobenius Manifold Structures on the Orbit Spaces of Affine Weyl Groups I

Lingrui Jiang, Si-Qi Liu, Yingchao Tian +1

We present an approach to construct a class of generalized Frobenius manifold structures on the orbit spaces of affine Weyl groups, and prove that their monodromy groups are parabo…

math.SG2022

An example of higher-dimensional Heegaard Floer homology

Yin Tian, Tianyu Yuan

We count pseudoholomorphic curves in the higher-dimensional Heegaard Floer homology of disjoint cotangent fibers of a two dimensional disk. We show that the resulting algebra is is…

cond-mat.str-el2022★ 21 cited

String Condensations in 3+1D and Lagrangian Algebras

Jiaheng Zhao, Jia-Qi Lou, Zhi-Hao Zhang +3

We present three Lagrangian algebras in the modular 2-category associated to the 3+1D topological order and discuss their physical interpretations, connecting algebr…

math.SG2022★ 1 cited

Higher-dimensional Heegaard Floer homology and Hecke algebras

Ko Honda, Yin Tian, Tianyu Yuan

Given a closed oriented surface of genus greater than 0, we construct a map from the higher-dimensional Heegaard Floer homology of the cotangent fibers of …

cond-mat.str-el2020★ 30 cited

Defects in the 3-dimensional toric code model form a braided fusion 2-category

Liang Kong, Yin Tian, Zhi-Hao Zhang

It was well known that there are -particles and -strings in the 3-dimensional (spatial dimension) toric code model, which realizes the 3-dimensional topologica…

math.SG2020★ 2 cited

Applications of higher-dimensional Heegaard Floer homology to contact topology

Vincent Colin, Ko Honda, Yin Tian

The goal of this paper is to set up the general framework of higher-dimensional Heegaard Floer homology, define the contact class, and use it to give an obstruction to the Liouvill…

math.QA2019★ 57 cited

The center of monoidal 2-categories in 3+1D Dijkgraaf-Witten Theory

Liang Kong, Yin Tian, Shan Zhou

In this work, for a finite group and a 4-cocycle , we compute explicitly the center of the monoidal 2-category of -…

math.QA2017

Towards functor exponentiation

Mikhail Khovanov, Yin Tian

We consider a possible framework to categorify the exponential map exp(-f) given the categorification of a generator f of by Lauda. In this setup the Taylor expansion…

math.QA2017★ 3 cited

Towards a categorical boson-fermion correspondence

Yin Tian

We construct the Heisenberg counterpart of a Clifford categorification. It is a modification of Khovanov's Heisenberg categorification. We express generators of the Heisenberg cate…

math.QA2017★ 3 cited

How to categorify the ring of integers localized at two

Mikhail Khovanov, Yin Tian

We construct a triangulated monoidal Karoubi closed category with the Grothendieck ring, naturally isomorphic to the ring of integers localized at two.

math.SG2016★ 3 cited

Contact categories of disks

Ko Honda, Yin Tian

In the first part of the paper we associate a pre-additive category to a closed oriented surface , called the {\em contact category} and constructed from contac…

math.KT2014

A categorification of the square root of -1

Yin Tian

We give a graphical calculus for a monoidal DG category whose Grothendieck group is isomorphic to the ring . We construct a categorical action of $…

math.RT2013★ 2 cited

A diagrammatic categorification of a Clifford algebra

Yin Tian

We give a graphical calculus for a categorification of a Clifford algebra and its Fock space representation via differential graded categories. The categorical action is motivated…

math.QA2013★ 12 cited

A categorification of U_T sl(1,1) and its tensor product representations

Yin Tian

We define the Hopf superalgebra U_T sl(1,1), which is a variant of the quantum supergroup U_q sl(1,1), and its tensor product representations V_1^{\otimes n} for n>0. We construct…

math.QA2012★ 12 cited

A categorification of U_q sl(1,1) as an algebra

Yin Tian

We construct families of differential graded algebras R and R \boxtimes R and give an algebraic formulation of the contact category of a disk through the differential graded catego…