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We examine generalized global symmetries as a kind of compactly supported cohomology, and so are led to revisit questions about the locality of quantum field theory, following Segal. Physics naturally suggests a generalization of…

Mathematical Physics · Physics 2025-04-11 Owen Gwilliam

We prove a local duality for some schemes associated to a 2-dimensional complete local ring whose residue field is an n-dimensional local field in the sense of Kato-Parshin. Our results generalize the Saito works in the case n=0 and are…

Algebraic Geometry · Mathematics 2007-05-23 Belgacem Draouil

The duality is a fundamental property of the finite multiple harmonic sums (MHS). In this paper, we prove a duality result for certain generalizations of MHS which appear naturally as the differences of MHS. We also prove a formula for the…

Number Theory · Mathematics 2009-05-12 Gaku Kawashima

We discuss proofs of local cohomology theorems for topological modular forms, based on Mahowald-Rezk duality and on Gorenstein duality, and then make the associated local cohomology spectral sequences explicit, including their differential…

Algebraic Topology · Mathematics 2022-06-22 Robert Bruner , John Greenlees , John Rognes

We give a generalization of Poitou-Tate duality to schemes of finite type over rings of integers of global fields.

Number Theory · Mathematics 2019-02-20 Thomas H. Geisser , Alexander Schmidt

From the method of realization of bialgebras developped in a preceding paper, we obtain the Duality Theorem and apply it to the study of the ideal of relations for each realized bialgebra. This is detailed in the english version of the…

Quantum Algebra · Mathematics 2007-05-23 Eric Mourre

We give an explicit formula for the duality, previously conjectured by Horja and Borisov, of two systems of GKZ hypergeometric PDEs. We prove that in the appropriate limit this duality can be identified with the inverse of the Euler…

Algebraic Geometry · Mathematics 2024-03-13 Lev Borisov , Zengrui Han

The work is my Ph D thesis (dissertation for obtaining candidate of sciences degree in Russia) fulfilled under direction of D. A. Raikov and defended under supervision of N. Ya. Vilenkin and S. V. Ptchelintsev. In the dissertatin I gave…

Functional Analysis · Mathematics 2022-09-09 A. Kh. Naziev

This paper discusses the connection between the local cohomology modules and the Serre classes of $R$-modules. Such connection provided a common language for expressing some results about the local cohomology $R$-modules, that has appeared…

Commutative Algebra · Mathematics 2019-08-15 Mohsen Asgharzadeh , Massoud Tousi

We study a categorified generalization of Koszul duality that treats duality phenomena among monoidal categories. We establish Koszul duality results for stable monoidal infinity-categories associated with Artin algebras and related…

Algebraic Geometry · Mathematics 2025-12-16 Isamu Iwanari

We establish two duality theorems which refine the classical Stone duality between generalized Boolean algebras and locally compact Boolean spaces. In the first theorem we prove that the category of left-handed skew Boolean algebras whose…

Rings and Algebras · Mathematics 2015-03-18 Ganna Kudryavtseva

Let E = K< y_1, ..., y_n > be the exterior algebra. The ``(cohomological) distinguished pairs" of a graded E-module M describe the growth of a minimal graded injective resolution of M. Roemer gave a duality theorem between the distinguished…

Commutative Algebra · Mathematics 2007-05-23 Kohji Yanagawa

We define degree two cohomological invariants for G-Galois algebras over fields of characteristic not 2, and use them to give necessary conditions for the existence of a self--dual normal basis. In some cases, we show that these conditions…

Number Theory · Mathematics 2016-08-17 Eva Bayer-Fluckiger , Raman Parimala

We investigate a new property of nets of local algebras over 4-dimensional globally hyperbolic spacetimes, called punctured Haag duality. This property consists in the usual Haag duality for the restriction of the net to the causal…

Mathematical Physics · Physics 2009-11-10 Giuseppe Ruzzi

A different proof to a known criterion of derived equivalence implying birationality is given. Derived equivalent smooth projective curves over an algebraically closed field are proved to be isomorphic. A different proof of derived…

Algebraic Geometry · Mathematics 2011-08-10 Yu-Han Liu

We study the 0-th local cohomology module of the jacobian ring of a singular reduced complex projective hypersurface X, by relating it to the sheaf of logarithmic vector field along X. We investigate the analogies between the local…

Algebraic Geometry · Mathematics 2014-05-05 Edoardo Sernesi

We generalise two facts about finite dimensional algebras to finite dimensional differential graded algebras. The first is the Nakayama Lemma and the second is that the simples can detect finite projective dimension. We prove two dual…

K-Theory and Homology · Mathematics 2023-12-05 Isambard Goodbody

In this paper we continue the study of non connected graded Gorenstein algebras initiated in a previous paper, the main result is the proof of a version of the Local Cohomology formula.

Rings and Algebras · Mathematics 2012-11-06 Roberto Martinez-Villa

This paper develops a duality theory for connected cochain DG algebras, with particular emphasis on the non-commutative aspects. One of the main items is a dualizing DG module which induces a duality between the derived categories of DG…

Rings and Algebras · Mathematics 2010-12-20 Peter Jorgensen

We define cohomological complexes of locally compact abelian groups associated with varieties over $p$-adic fields and prove a duality theorem under some assumption. Our duality takes the form of Pontryagin duality between locally compact…

Algebraic Geometry · Mathematics 2021-12-23 Thomas H. Geisser , Baptiste Morin