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A modular category $\mathcal{C}$ gives rise to a differential graded modular functor, i.e. a system of projective mapping class group representations on chain complexes. This differential graded modular functor assigns to the torus the…

Quantum Algebra · Mathematics 2023-07-03 Christoph Schweigert , Lukas Woike

The spin analogues of several classical concepts and results for Hecke algebras are established. A Frobenius type formula is obtained for irreducible characters of the Hecke-Clifford algebra. A precise characterization of the trace…

Representation Theory · Mathematics 2013-02-20 Jinkui Wan , Weiqiang Wang

The two pillars of rational conformal field theory and rational vertex operator algebras are modularity of characters on the one hand and its interpretation of modules as objects in a modular tensor category on the other one. Overarching…

Quantum Algebra · Mathematics 2017-10-11 Thomas Creutzig , Terry Gannon

This paper generalizes the results obtained in an earlier paper (math.OA/0003087) for finite factors to infinite but still semifinite factors. First we give a characterization of cyclic and separating vectors for infinite semifinite factors…

Operator Algebras · Mathematics 2007-05-23 Stefan Boller

The purpose of this note is to extend the results of V. Guillemin on elliptic self-adjoint pseudodifferential operators of order one, from operators defined on smooth functions on a closed manifold to operators defined on smooth sections in…

dg-ga · Mathematics 2008-02-03 Bogdan Bucicovschi

We derive a formula for the regularized trace of operators with compact spectrum which act on the space of square integrable functions on the quotient of a semisimple Liegroup of real rank one by a convex-cocompact subgroup. The sum of…

Differential Geometry · Mathematics 2007-05-23 U. Bunke , M. Olbrich

This is a continuation of our work to understand vertex operator algebras using the geometric properties of varieties attached to vertex operator algebras. For a class of vertex operator algebras including affine vertex operator algebras…

Representation Theory · Mathematics 2017-09-19 Yanjun Chu , Zongzhu Lin

For one-dimensional Schroedinger operators with complex-valued potentials, we construct pseudomodes corresponding to large pseudoeigenvalues. Our (non-semi-classical) approach results in substantial progress in achieving optimal conditions…

Spectral Theory · Mathematics 2019-05-21 David Krejcirik , Petr Siegl

In this article we consider a quaternionic inner form $G$ of a $p$-adic classical group defined over a non-archimedian local field of odd residue characteristic. We construct all full self-dual semisimple characters for $G$ and we classify…

Representation Theory · Mathematics 2018-01-03 Daniel Skodlerack

We introduce a formal operational semantics that describes the fused execution of variable contraction problems, which compute indexed arithmetic over a semiring and generalize sparse and dense tensor algebra, relational algebra, and graph…

Programming Languages · Computer Science 2022-07-28 Scott Kovach , Fredrik Kjolstad

We study the trace functions in orbiford theory for Z-graded vertex operator superalgebras and obtain a modular invariance result. More precisely, let V be a C_2-cofinite Z-graded vertex operator superalgebra and G a finite automorphism…

Quantum Algebra · Mathematics 2007-05-23 Chongying Dong , Zhongping Zhao

In this paper, we develop a semi-classical analysis on H-type groups. We define semi-classical pseudodifferential operators, prove the boundedness of their action on square integrable functions and develop a symbolic calculus. Then, we…

Functional Analysis · Mathematics 2018-12-04 Clotilde Fermanian-Kammerer , Veronique Fischer

This is an expository article invited for the ``Commentary'' section of PNAS in connection with Y.-Z. Huang's article, ``Vertex operator algebras, the Verlinde conjecture, and modular tensor categories,'' appearing in the same issue of…

Quantum Algebra · Mathematics 2009-11-11 James Lepowsky

The modular properties of fractional level affine sl(2)-theories and, in particular, the application of the Verlinde formula, have a long and checkered history in conformal field theory. Recent advances in logarithmic conformal field theory…

High Energy Physics - Theory · Physics 2015-06-05 Thomas Creutzig , David Ridout

We prove the semisimplicity conjecture for A-motives over finitely generated fields K. This conjecture states that the rational Tate modules V_p(M) of a semisimple A-motive M are semisimple as representations of the absolute Galois group of…

Number Theory · Mathematics 2019-02-20 Nicolas Stalder

A semisimple algebraic tensor category over an algebraically closed field k of characteristic zero is the representation category of all finite dimensional twisted super representations of an affine reductive supergroup G over k. Such a…

Category Theory · Mathematics 2009-09-10 Rainer Weissauer

The aim of this paper is to give a characterization in Hilbert spaces of the generators of $C_0$-semigroups associated with closed, sectorial forms in terms of the convergence of a generalized Trotter's product formula. In the course of the…

Functional Analysis · Mathematics 2007-05-23 Mate Matolcsi

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…

We define the notion of {\it strongly interlocked} for indecomposable generalized modules for a vertex operator algebra, and show that the notion of graded pseudo-trace is well defined for modules which satisfy this property in certain…

Quantum Algebra · Mathematics 2026-03-09 Katrina Barron , Karina Batistelli , Florencia Orosz Hunziker , Gaywalee Yamskulna

This article gives a complete account of the modular properties and Verlinde formula for conformal field theories based on the affine Kac-Moody algebra sl(2) at an arbitrary admissible level k. Starting from spectral flow and the structure…

High Energy Physics - Theory · Physics 2015-06-16 Thomas Creutzig , David Ridout