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We generalize the notion of moment-angle manifold over a simple convex polytope to an arbitrary nice manifold with corners. For a nice manifold with corners Q, we first compute the stable decomposition of the moment-angle manifold Z_Q via a…

Algebraic Topology · Mathematics 2024-03-27 Li Yu

It is well known that the cohomology of a tensor product is essentially the tensor product of the cohomologies. We look at twisted tensor products, and investigate to which extend this is still true. We give an explicit description of the…

K-Theory and Homology · Mathematics 2008-03-27 Petter Andreas Bergh , Steffen Oppermann

Twisted K-theory has its origins in the author's PhD thesis [27] : http://www.numdam.org/item?id=ASENS_1968_4_1_2_161_0 and in the paper with P. Donovan http://www.numdam.org/item?id=PMIHES_1970__38__5_0 The objective of this paper is to…

K-Theory and Homology · Mathematics 2007-08-23 Max Karoubi

In this paper we give a generalization of injective and projective complexes.

Rings and Algebras · Mathematics 2016-08-14 Tahire \" Ozen , Emine Yıldırım

This is a research announcement of the theory of orbifold quantum cohomology.

Algebraic Geometry · Mathematics 2007-05-23 Weimin Chen , Yongbin Ruan

Quantum mechanics for matter fields moving in an evaporating black hole spacetime is formulated in fully four-dimensional form according to the principles of generalized quantum theory. The resulting quantum theory cannot be expressed in a…

General Relativity and Quantum Cosmology · Physics 2008-02-03 James B. Hartle

In proper homotopy theory, the original concept of point used in the classical homotopy theory of topological spaces is generalized in order to obtain homotopy groups that study the infinite of the spaces. This idea: "Using any arbitrary…

Algebraic Topology · Mathematics 2012-03-05 Francisco J. Díaz , José M. G. Calcines

The purpose of this paper is to introduce the notion of loop groupoid associated to a groupoid. After studying the general properties of the loop groupoid, we show how this notion provides a very natural geometric interpretation for the…

Algebraic Topology · Mathematics 2007-05-23 Ernesto Lupercio , Bernardo Uribe

Intersection bodies represent a remarkable class of geometric objects associated with sections of star bodies and invoking Radon transforms, generalized cosine transforms, and the relevant Fourier analysis. The main focus of this article is…

Functional Analysis · Mathematics 2007-05-23 Boris Rubin

The aim of these notes is to elucidate some aspects of quantum field theory in curved spacetime, especially those relating to the notion of particles. A selection of issues relevant to wave-particle duality is given. The case of a generic…

General Physics · Physics 2008-03-13 Vladimir Mashkevich

A group, defined as set with associative multiplication and inverse, is a natural structure describing the symmetry of a space. The concept of group generalizes to group objects internal to other categories than sets. But there are yet more…

Symplectic Geometry · Mathematics 2007-05-23 Christian Blohmann , Alan Weinstein

The notion of cosilting module was recently introduced as a generalization of the notion of cotilting module. In this paper, we give a characterization of (partial) cosilting modules in terms of two-term cosilting complexes. Moreover, we…

Representation Theory · Mathematics 2016-11-23 Flaviu Pop

We present a generalized information-theoretic measure of synchronization in quantum systems. This measure is applicable to dynamics of anharmonic oscillators, few-level atoms, and coupled oscillator networks. Furthermore, the new measure…

In this paper, we provide two different resolutions of structural sheaves of projectivized tangent bundles of smooth complete intersections. These resolutions allow in particular to obtain convenient (and completely explicit) descriptions…

Algebraic Geometry · Mathematics 2022-11-17 Antoine Etesse

This article is an elaboration of a talk given at an international conference on Operator Theory, Quantum Probability, and Noncommutative Geometry held during December~20--23, 2004, at the Indian Statistical Institute, Kolkata. The lecture…

Algebraic Geometry · Mathematics 2007-07-17 Amiya Mukherjee

It is generalized Weyl conformal curvature tensor in the case of a conformal mappings of a generalized Riemannian space in this paper. Moreover, it is found universal generalizations of it without any additional assumption. A method used in…

General Mathematics · Mathematics 2017-11-07 Nenad O. Vesic

We complete the calculation of the twisted cyclic homology of the quantised coordinate ring of SL(2) that we began in math.QA/0405249. In particular, a nontrivial cyclic 3-cocycle is constructed which also has a nontrivial class in…

Quantum Algebra · Mathematics 2010-08-13 Tom Hadfield , Ulrich Kraehmer

In this work, we generalize several topological results and concepts from ring theory to the setting of monoids.

Commutative Algebra · Mathematics 2026-03-10 Doniyor Yazdonov , Carmelo Antonio Finocchiaro

In this paper, we study main properties of cone normed spaces, and prove some theorems of weighted means in cone normed spaces.

Functional Analysis · Mathematics 2010-06-29 Ayse Sonmez , Huseyin Cakalli

We observe a general structure theorem for quantum cohomology rings, a non-homogeneous version of the usual cohomology ring encoding information about (almost holomorphic) rational curves. An application is the rigorous computation of the…

alg-geom · Mathematics 2008-02-03 Bernd Siebert , Gang Tian