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We construct an $A_{\infty}$-structure on the Ext-groups of hermitian holomorphic vector bundles on a compact complex manifold. We propose a generalization of the homological mirror conjecture due to Kontsevich. Namely, we conjecture that…

Algebraic Geometry · Mathematics 2007-05-23 Alexander Polishchuk

We use the concept of a regular object with respect to another object in an arbitrary category, defined in \cite{dntd}, in order to obtain the transfer of regularity in the sense of Zelmanowitz between the categories $R-$mod and $S-$mod,…

Rings and Algebras · Mathematics 2008-03-11 Leonard Daus

We show that for an artin algebra $\Lambda$, the telescope conjecture for module categories is equivalent to certain idempotent ideals of mod-$\Lambda$ being generated by identity morphisms. As a consequence, we prove the conjecture for…

Representation Theory · Mathematics 2010-06-23 Jan Stovicek

We prove a generalization of Harish-Chandra's character orthogonality relations for discrete series to arbitrary Harish-Chandra modules for real reductive Lie groups. This result is an analogue of a conjecture by Kazhdan for $\mathfrak…

Representation Theory · Mathematics 2016-12-23 Jing-Song Huang , Dragan Miličić , Binyong Sun

The theory of $\Theta$-stratifications generalizes a classical stratification of the moduli of vector bundles on a smooth curve, the Harder-Narasimhan-Shatz stratification, to any moduli problem that can be represented by an algebraic…

Algebraic Geometry · Mathematics 2021-06-21 Daniel Halpern-Leistner

The paper is devoted to the comparison of the Fukaya category (it is responcible for the A-side of mirror symmetry) with the category of holonomic modules over the quantized algebra of functions on the same symplectic manifold. We…

High Energy Physics - Theory · Physics 2007-05-23 Paul Bressler , Yan Soibelman

We can define a module to be an exact functor on a small abelian category. This is explained and shown to be equivalent to the usual definition but it does offer a different perspective, inspired by the notions from model theory of…

Representation Theory · Mathematics 2018-01-25 Mike Prest

The aim of this work is to present a possible adaptation of the Manin-Mumford conjecture to the $T-$modules, a mathematical object which has been introduced in the 1980's by G. Anderson as the natural analogue of the abelian varieties in…

Number Theory · Mathematics 2018-03-22 Luca Demangos

Irreducibilities of Verma modules over a class of Block type Lie algebras are completely determined. The approach developed in the present paper can be used to deal with non-weight modules.

Quantum Algebra · Mathematics 2021-09-02 Qiufan Chen , Jianzhi Han

We study vertex algebras and their modules associated with possibly degenerate even lattices, using an approach somewhat different from others. Several known results are recovered and a number of new results are obtained. We also study…

Quantum Algebra · Mathematics 2008-02-04 Haisheng Li , Qing Wang

Holm (H. Holm, Modules with cosupport and injective functors, Algebr. Represent. Theor., 13 (2010), 543-560) considers categories of right modules dual to those with support in a set of finitely presented modules. We extend some of his…

Representation Theory · Mathematics 2013-04-17 Akeel Ramadan Mehdi , Mike Prest

We give a full classification, in terms of periodic skew diagrams, of irreducible semisimple modules in category O for the degenerate double affine Hecke algebra of type A which can be realized as submodules of Verma modules.

Representation Theory · Mathematics 2016-08-09 Martina Balagovic

We classify the finite irreducible modules over the conformal superalgebra $K'_{4}$ by their correspondence with finite conformal modules over the associated annihilation superalgebra $\mathcal A(K'_{4})$. This is achieved by a complete…

Representation Theory · Mathematics 2022-09-14 Lucia Bagnoli , Fabrizio Caselli

We study the representation theory of the rational Cherednik algebra $H_\kappa = H_\kappa({\mathbb Z}_l)$ for the cyclic group ${\mathbb Z}_l = {\mathbb Z} / l {\mathbb Z}$ and its connection with the geometry of the quiver variety…

Representation Theory · Mathematics 2008-01-29 Toshiro Kuwabara

We define various formal moduli spaces of p-divisible groups which are regular, and morphisms between them. We formulate arithmetic transfer conjectures, which are variants of the arithmetic fundamental lemma conjecture of the third author…

Number Theory · Mathematics 2017-01-16 Michael Rapoport , Brian Smithling , Wei Zhang

We show how to deduce the standard sign conjecture (a weakening of the K\"unneth standard conjecture) for Shimura varieties from some statements about discrete automorphic representations (Arthur's conjectures plus a bit more). We also…

Algebraic Geometry · Mathematics 2014-09-18 Sophie Morel , Junecue Suh

We give a characterisation of those local not necessary commutative rings, for which the category of projective modules admits a triangulation with the identity as translation functor. By "admits a triangulation" we mean that the category…

Category Theory · Mathematics 2009-12-24 Boryana Dimitrova

Consider a reductive group G over a non-archimedean local field. The Galois group Gal(C/Q) acts naturally on the category of smooth complex G-representations. We prove that this action stabilizes the class of standard modules. This…

Representation Theory · Mathematics 2025-12-23 Maarten Solleveld

We classify degeneration patterns of Verma modules over the N=2 superconformal algebra in two dimensions. Explicit formulae are given for singular vectors that generate maximal submodules in each of the degenerate cases. The mappings…

High Energy Physics - Theory · Physics 2009-10-30 A M Semikhatov , I Yu Tipunin

We formulate and prove a Paley-Wiener theorem for Harish-Chandra modules for a real reductive group. As a corollary we obtain a new and elementary proof of the Helgason conjecture.

Representation Theory · Mathematics 2022-08-02 Heiko Gimperlein , Bernhard Krötz , Job J. Kuit , Henrik Schlichtkrull