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200 papers

Given a planar algebra we show the equivalence of the notions of a module over this algebra (in the operadic sense), and module over a universal annular algebra. We classify such modules, with invariant inner products, in the generic region…

Operator Algebras · Mathematics 2007-05-23 Vaughan F. R. Jones

This work deals with the topological classification of germs of singular foliations on $(\mathbb C^{2},0)$. Working in a suitable class of foliations we fix the topological invariants given by the separatrix set, the Camacho-Sad indices and…

Dynamical Systems · Mathematics 2017-09-19 David Marín , Jean-François Mattei , Éliane Salem

We address the question whether the condition on a fusion category being solvable or not is determined by its fusion rules. We prove that the answer is affirmative for some families of non-solvable examples arising from representations of…

Quantum Algebra · Mathematics 2015-12-18 Melisa Escañuela González , Sonia Natale

We construct the $Z_{N}$ symmetry extended fusion ring of bulk and chiral theories and the corresponding modular partition functions with nonanomalous subgroup $Z_{n}(\subset Z_{N})$. The chiral fusion ring provides fundamental data for…

High Energy Physics - Theory · Physics 2026-05-20 Yoshiki Fukusumi , Shinichiro Yahagi

We investigate symmetries of the scalar field theory with harmonic term on the Moyal space with euclidean scalar product and general symplectic form. The classical action is invariant under the orthogonal group if this group acts also on…

Mathematical Physics · Physics 2011-01-17 Axel de Goursac , Jean-Christophe Wallet

We develop some foundations of commutative algebra, with a view towards algebraic geometry, in symmetric tensor categories. Most results establish analogues of classical theorems, in tensor categories which admit a tensor functor to some…

Category Theory · Mathematics 2026-02-20 Kevin Coulembier

We consider a category whose morphisms are bordisms of $n$-dimensional pseudomanifolds equipped with a certain additional structure (coloring). On the other hand, we consider the product $G$ of $(n+1)$ copies of infinite symmetric group. We…

Representation Theory · Mathematics 2018-12-14 Alexander A. Gaifullin , Yury A. Neretin

We study symplectic groups and indefinite orthogonal groups over involutive, possibly noncommutative, algebras $(A, \sigma)$. In the case when the algebra $(A, \sigma)$ is Hermitian, or the complexification $(A_{\mathbb{C}},…

Differential Geometry · Mathematics 2025-09-03 Pengfei Huang , Georgios Kydonakis , Eugen Rogozinnikov , Anna Wienhard

We discuss what it means for a symmetric monoidal category to be a module over a commutative semiring category. Each of the categories of (1) cartesian monoidal categories, (2) semiadditive categories, and (3) connective spectra can be…

Category Theory · Mathematics 2018-08-29 John D. Berman

We generalise the fold map for the wedge sum and use this to give a loop space decomposition of topological spaces with a high degree of symmetry. This is applied to polyhedral products to give a loop space decomposition of polyhedral…

Algebraic Topology · Mathematics 2023-11-01 Lewis Stanton

In this paper, we extend the notion of modular functor and fusion category to what we called $G$ equivariant modular functor and $G$ equivariant fusion category, where $G$ is a finite group, and establish a correspondence between between…

Quantum Algebra · Mathematics 2008-07-08 Alexander Kirillov , Tanvir Prince

We consider two categories related to symplectic manifolds: 1. Objects are symplectic manifolds and morphisms are symplectic embeddings. 2. Objects are symplectic manifolds endowed with compatible almost complex structure and morphisms are…

Symplectic Geometry · Mathematics 2024-04-26 Vardan Oganesyan

The subfactor approach to modular invariants gives insight into the fusion rule structure of the modular invariants.

Operator Algebras · Mathematics 2007-05-23 David E Evans , Paulo R Pinto

In two-dimensional conformal field theory, we analyze conformally invariant boundary conditions which break part of the bulk symmetries. When the subalgebra that is preserved by the boundary conditions is the fixed algebra under the action…

High Energy Physics - Theory · Physics 2009-10-31 J. Fuchs , C. Schweigert

The problem of determining gauge and monoidal equivalence classes of fusion categories is considered from the perspective of geometric invariant theory. It is shown that the gauge (or monoidal) class of a fusion category is determined by…

Quantum Algebra · Mathematics 2015-09-11 Tobias Hagge , Matthew Titsworth

We lay out an infinity categorical interpretation of reconstruction theorems which are germane to the symmetric monoidal perspective of noncommutative algebraic geometry, present sufficient conditions which allow for the factorization of…

Algebraic Topology · Mathematics 2025-07-18 Salash Tolan Nabaala

We consider the possibility of semisimple tensor categories whose fusion rule includes exactly one noninvertible simple object. Conditions are given for the existence or nonexistence of coherent associative structures for such fusion rules,…

Quantum Algebra · Mathematics 2014-10-01 Jacob Siehler

Given a unitary fusion category, one can define the Hilbert space of a so-called ``anyonic spin-chain'' and nearest neighbor Hamiltonians providing a real-time evolution. There is considerable evidence that suitable scaling limits of such…

Strongly Correlated Electrons · Physics 2023-01-04 Stefan Hollands

We systematically study the commutative factorization categories over the Ran space. We fill in what we consider as a gap in the construction of the factorizable Satake functor in the constructible setting in arXiv:1708.07205,…

Representation Theory · Mathematics 2026-05-22 Sergey Lysenko

We study the combinatorics of the contributions to the form factor of the group U(N) in the large $N$ limit. This relates to questions about semiclassical contributions to the form factor of quantum systems described by the unitary…

Condensed Matter · Physics 2007-05-23 Mirko Degli Esposti , Andreas Knauf