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Related papers: Classification of super-modular categories by rank

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The feasibility of a classification-by-rank program for modular categories follows from the Rank-Finiteness Theorem. We develop arithmetic, representation theoretic and algebraic methods for classifying modular categories by rank. As an…

Quantum Algebra · Mathematics 2016-03-23 Paul Bruillard , Siu-Hung Ng , Eric C. Rowell , Zhenghan Wang

We develop categorical and number theoretical tools for the classification of super-modular categories. We apply these tools to obtain a partial classification of super-modular categories of rank $8$. In particular we find three distinct…

Quantum Algebra · Mathematics 2019-09-24 Paul Bruillard , Julia Yael Plavnik , Eric C. Rowell , Qing Zhang

We develop a symbolic computational approach to classifying low-rank modular categories. We use this technique to classify pseudo-unitary modular categories of rank at most 5 that are non-self-dual, i.e. those for which some object is not…

Quantum Algebra · Mathematics 2009-07-13 Seung-Moon Hong , Eric C. Rowell

We consider the classification problem for rank 4 premodular categories. We uncover a formula for the 2nd Frobenius-Schur indicator of a premodular category, and complete the classification of rank 4 premodular categories (up to…

Quantum Algebra · Mathematics 2016-12-28 Paul Bruillard

We study spin and super-modular categories systematically as inspired by fermionic topological phases of matter, which are always fermion parity enriched and modelled by spin TQFTs at low energy. We formulate a $16$-fold way conjecture for…

The complex representation rings of finite groups are the fundamental class of fusion rings, categorified by the corresponding fusion categories of complex representations. The category of $\mathbb{Z}_+$-modules of finite rank over such a…

Representation Theory · Mathematics 2024-05-21 Wenxia Wu , Yunnan Li

In this paper, we study fusion categories which contain a proper fusion subcategory with maximal rank. They can be viewed as generalizations of near-group fusion categories. We first prove that they admit spherical structure. We then…

Quantum Algebra · Mathematics 2022-05-19 Jingcheng Dong , Gang Chen , Zhihua Wang

We classify all modular categories of dimension $4m$, where $m$ is an odd square-free integer, and all ranks $6$ and $7$ weakly integral modular categories. This completes the classification of weakly integral modular categories through…

Quantum Algebra · Mathematics 2015-05-14 Paul Bruillard , César Galindo , Siu-Hung Ng , Julia Plavnik , Eric C. Rowell , Zhenghan Wang

A super-modular category is a unitary pre-modular category with M\"uger center equivalent to the symmetric unitary category of super-vector spaces. Super-modular categories are important alternatives to modular categories as any unitary…

Quantum Algebra · Mathematics 2018-07-25 Parsa Bonderson , Eric C. Rowell , Qing Zhang , Zhenghan Wang

A fusion category of rank $4$ has either four self-dual objects or exactly two self-dual objects. We study fusion categories of rank $4$ with exactly two self-dual objects, giving nearly a complete classification of those based ring that…

Quantum Algebra · Mathematics 2014-10-31 Hannah K. Larson

This paper classifies all modular data of integral modular fusion categories up to rank 13. Furthermore, it also classifies all integral half-Frobenius fusion rings up to rank 12. We find that each perfect integral modular fusion category…

Quantum Algebra · Mathematics 2026-01-16 Max A. Alekseyev , Winfried Bruns , Sebastien Palcoux , Fedor V. Petrov

We construct four series of modular categories from the two-variable Kauffman polynomial, without use of the representation theory of quantum groups at roots of unity. The specializations of this polynomial corresponding to quantum groups…

Quantum Algebra · Mathematics 2007-05-23 Anna Beliakova , Christian Blanchet

We prove that any odd-dimensional modular category of rank at most 23 is pointed. We also show that an odd-dimensional modular category of rank 25 is either pointed, perfect, or equivalent to $\operatorname{Rep}(D^\omega(\mathbb Z_7\rtimes…

Quantum Algebra · Mathematics 2023-11-01 Agustina Czenky , William Gvozdjak , Julia Plavnik

The fusion rules and braiding statistics of anyons in $(2+1)$D fermionic topological orders are characterized by the modular data of a super-modular category. On the other hand, the modular data of a super-modular category form a congruence…

Strongly Correlated Electrons · Physics 2023-11-03 Gil Young Cho , Hee-cheol Kim , Donghae Seo , Minyoung You

We survey a number of classification tools developed in recent years and employ them to classify pseudo-unitary rank 5 premodular categories up to equivalence.

Quantum Algebra · Mathematics 2018-11-01 Paul Bruillard , Carlos M. Ortiz

It is a well-known result of Etingof, Nikshych and Ostrik that there are finitely many inequivalent integral modular categories of any fixed rank $n$. This follows from a double-exponential bound on the maximal denominator in an Egyptian…

Quantum Algebra · Mathematics 2010-12-09 Paul Bruillard , Eric C. Rowell

We classify modular fusion categories up to braided equivalence with less than four distinct twists of simple objects by observing that under this assumption, for each positive integer $N$, there are finitely many modular fusion categories…

Quantum Algebra · Mathematics 2025-09-03 Andrew Schopieray

We prove a rank-finiteness conjecture for modular categories: up to equivalence, there are only finitely many modular categories of any fixed rank. Our technical advance is a generalization of the Cauchy theorem in group theory to the…

Quantum Algebra · Mathematics 2015-11-13 Paul Bruillard , Siu-Hung Ng , Eric C. Rowell , Zhenghan Wang

We define the supermodular rank of a function on a lattice. This is the smallest number of terms needed to decompose it into a sum of supermodular functions. The supermodular summands are defined with respect to different partial orders. We…

Combinatorics · Mathematics 2023-05-25 Rishi Sonthalia , Anna Seigal , Guido Montufar

A modular category is a braided category with some additional algebraic features. The interest of this concept is that it provides a Topological Quantum Field Theory in dimension 3. The Verlinde formulas associated with a modular category…

Quantum Algebra · Mathematics 2007-05-23 Christian Blanchet
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