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We study the representation theory of quantizations of Gieseker moduli spaces. We describe the categories of finite dimensional representations for all parameters and categories O for special values of parameters. We find the values of…

Representation Theory · Mathematics 2017-03-03 Ivan Losev

We introduce new foundations for relative topos theory based on stacks. One of the central results in our theory is an adjunction between the category of toposes over the topos of sheaves on a given site $({\mathcal{C}}, J)$ and that of…

Algebraic Geometry · Mathematics 2021-07-12 Olivia Caramello , Riccardo Zanfa

We show that the reduction mod p of an orthogonal linear representation is orthogonal, and we generalize this fact to representations of algebras with involution.The proofs make an essential use of the notion of " middle lattices ".

Group Theory · Mathematics 2018-08-09 Jean-Pierre Serre

We establish a correspondence between vector-valued modular forms with respect to a symmetric tensor representation and quasimodular forms. This is carried out by first obtaining an explicit isomorphism between the space of vector-valued…

Number Theory · Mathematics 2010-07-28 YoungJu Choie , Minho Lee

We develop the theory of relative monads and relative adjunctions in a virtual equipment, extending the theory of monads and adjunctions in a 2-category. The theory of relative comonads and relative coadjunctions follows by duality. While…

Category Theory · Mathematics 2025-10-21 Nathanael Arkor , Dylan McDermott

The sum theorem and its corollaries are proved for a countable family of zero-dimensional (in the sense of small and large inductive bidimensions) p-closed sets, using a new notion of relative normality whose topological correspondent is…

General Topology · Mathematics 2007-06-29 B. P. Dvalishvili

We consider epimorphisms from quantum minimal surface algebras onto involutroy subalgebras of split real simply-laced Kac-Moody algebras and provide examples of affine and finite type. We also provide epimorphisms onto such Kac-Moody…

Representation Theory · Mathematics 2021-05-21 Jens Hoppe , Ralf Köhl , Robin Lautenbacher

An extension of the theory of General Relativity is proposed, based on pseudo-complex space-time coordinates. The new theory corresponds to the introduction of two, in general different, metrics which are connected through specific…

General Relativity and Quantum Cosmology · Physics 2009-11-13 Peter O. Hess , Walter Greiner

We introduce the notion of a generalized spin representation of the maximal compact subalgebra of a symmetrizable Kac-Moody algebra in order to show that, if defined over a formally real field, every such subalgebra has a non-trivial…

Representation Theory · Mathematics 2015-03-25 Guntram Hainke , Ralf Köhl , Paul Levy

We give a criterion in terms of p-adic Asai L-functions for a cuspidal automorphic representation of GL(2) over a real quadratic field to be a distinguished representation, providing a p-adic counterpart of a well-known theorem of Flicker…

Number Theory · Mathematics 2026-01-08 David Loeffler , Sarah Livia Zerbes

To study operator algebras with symmetries in a wide sense we introduce a notion of {\em relative convolution operators} induced by a Lie algebra. Relative convolutions recover many important classes of operators, which have been already…

funct-an · Mathematics 2008-02-03 Vladimir V. Kisil

We study $p$-adic Hodge theory for families of Galois representations over pseudorigid spaces. Such spaces are non-archimedean analytic spaces which may be of mixed characteristic, and which arise naturally in the study of eigenvarieties at…

Number Theory · Mathematics 2022-11-07 Rebecca Bellovin

We introduce partially ordered sets (posets) with an additional structure given by a collection of vector subspaces of an algebra $A$. We call them algebraically equipped posets. Some particular cases of these, are generalized equipped…

Representation Theory · Mathematics 2015-01-14 Raymundo Bautista , Ivon Dorado

This survey offers an overview of an on-going project on uniform symmetries in abstract stable homotopy theories. This project has calculational, foundational, and representation-theoretic aspects, and key features of this emerging field on…

Algebraic Topology · Mathematics 2019-04-02 Moritz Groth , Moritz Rahn

We further develop and simplify the general theory of distinguished tame supercuspidal representations of reductive $p$-adic groups due to Hakim and Murnaghan, as well as the analogous theory for finite reductive groups due to Lusztig. We…

Representation Theory · Mathematics 2011-08-26 Jeffrey Hakim , Joshua Lansky

We show that the variety of symmetric implication algebras is generated from cubic implication algebras and Boolean algebras. We do this by developing the notion of a locally symmetric implication algebra that has properties similar to…

Combinatorics · Mathematics 2009-02-09 Colin Bailey , Joseph Oliveira

We propose in this paper an approach to Breuil's conjecture on a Langlands correspondence between $p$-adic Galois representations and representations of $p$-adic Lie groups in $p$-adic topological vector spaces. We suggest that Berthelot's…

Number Theory · Mathematics 2008-02-18 King Fai Lai

We obtain several new characterizations of ultrametric spaces in terms of roundness, generalized roundness, strict p-negative type, and p-polygonal equalities (p > 0). This allows new insight into the isometric embedding of ultrametric…

Functional Analysis · Mathematics 2013-02-25 Timothy Faver , Katelynn Kochalski , Mathav Murugan , Heidi Verheggen , Elizabeth Wesson , Anthony Weston

In the present article we introduce and study a class of topological reflection spaces that we call Kac-Moody symmetric spaces. These generalize Riemannian symmetric spaces of non-compact type. We observe that in a non-spherical Kac-Moody…

Group Theory · Mathematics 2019-05-03 Walter Freyn , Tobias Hartnick , Max Horn , Ralf Köhl

Conditions, related to the so-called bending problem are considered for hypersurfaces of a pseudo-Euclidean space. Corresponding theorems are proved.

Differential Geometry · Mathematics 2010-08-31 Ognian Kassabov