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We characterize compact eight-manifolds M which arise as internal spaces in N=1 flux compactifications of M-theory down to AdS3 using the theory of foliations, for the case when the internal part of the supersymmetry generator is everywhere…

High Energy Physics - Theory · Physics 2015-02-11 Elena Mirela Babalic , Calin Iuliu Lazaroiu

We study toroidal compactifications of string theories which include compactification of a timelike coordinate. Some new features in the theory of toroidal compactifications arise. Most notably, Narain moduli space does not exist as a…

High Energy Physics - Theory · Physics 2007-05-23 G. Moore

The decomposition of arbitrary unitary transformations into sequences of simpler, physically realizable operations is a foundational problem in quantum information science, quantum control, and linear optics. We establish a 1D Quantum Field…

Quantum Physics · Physics 2026-03-20 Javier Álvarez-Vizoso , David Barral

We describe a new regularization of quantum field theory on the noncommutative torus by means of one-dimensional matrix models. The construction is based on the Elliott-Evans inductive limit decomposition of the noncommutative torus…

High Energy Physics - Theory · Physics 2010-04-05 Giovanni Landi , Fedele Lizzi , Richard J. Szabo

We review several problems of conventional Grand Unification and some new approaches. In particular, we discuss strongly coupled Grand Unified Theories. Standard Model may emerge as a low energy effective theory of composite particles in…

High Energy Physics - Phenomenology · Physics 2007-05-23 V. A. Rubakov , S. V. Troitsky

We show how to represent a class of expressions involving discrete sums over partitions as matrix models. We apply this technique to the partition functions of 2* theories, i.e. Seiberg-Witten theories with the massive hypermultiplet in the…

High Energy Physics - Theory · Physics 2009-10-29 Piotr Sułkowski

We classify 1-dimensional connected dually flat manifolds $M$ that are toric in the sense of [Molitor, arXiv:2109.04839], and show that the corresponding torifications are complex space forms. Special emphasis is put on the case where M is…

Differential Geometry · Mathematics 2023-09-22 Danuzia Figueirêdo , Mathieu Molitor

Based on the notion of vectors and linear subspaces for a matroid, we develop a theory of flats and hyperplane arrangements for T-matroids, where T is a tract. This leads to several cryptomorphic descriptions of T-matroids: in terms of its…

Combinatorics · Mathematics 2026-03-11 Jannis Koulman , Oliver Lorscheid

Integrals for the product of unitary-matrix elements over the U(n) group will be discussed. A group-theoretical formula is available to convert them into a multiple sum, but unfortunately the sums are often tedious to compute. In this…

Mathematical Physics · Physics 2009-11-10 S. Aubert , C. S. Lam

We give a simple proof of why there is a Matrix theory approximation for a membrane shaped like an arbitrary Riemann surface. As corollaries, we show that noncompact membranes cannot be approximated by matrices and that the Poisson algebra…

High Energy Physics - Theory · Physics 2009-11-07 Yonatan Zunger

The generating functions for the gauge theory observables are often represented in terms of the unitary matrix integrals. In this work, the perturbative and non-perturbative aspects of the generic multi-critical unitary matrix models are…

High Energy Physics - Theory · Physics 2021-09-28 Taro Kimura , Ali Zahabi

It is shown that the simplest multiplicative random complex matrix model generalizes the large-N phase structure found in the unitary case: A perturbative regime is joined to a nonperturbative regime at a point of nonanalyticity.

High Energy Physics - Lattice · Physics 2010-01-21 Robert Lohmayer , Herbert Neuberger , Tilo Wettig

The machinery is suggested to describe the varying spacetime topology on the level of its substitutes by finite topological spaces.

General Relativity and Quantum Cosmology · Physics 2008-02-03 R. R. Zapatrin

We study a new class of matrix models, the simplest of which is based on an Sp(2) symmetry and has a compactification which is equivalent to Chern-Simons theory on the three-torus. By replacing Sp(2) with the super-algebra Osp(1|32), which…

High Energy Physics - Theory · Physics 2014-11-18 Lee Smolin

This paper presents a framework based on matrices of monoids for the study of coupled cell networks. We formally prove within the proposed framework, that the set of results about invariant synchrony patterns for unweighted networks also…

Multiagent Systems · Computer Science 2022-01-13 Pedro M. Sequeira , António P. Aguiar , João Hespanha

Generalizing previous results for orbifolds, in this paper we describe the compactification of Matrix model on an orientifold which is a quotient space as a Yang-Mills theory living on a quantum space. The information of the…

High Energy Physics - Theory · Physics 2016-08-25 Pei-Ming Ho , Yong-Shi Wu

Compactifications of heterotic M-theory are shown to provide solutions to the weak- and axion-scale hierarchy problems as a consequence of warped large extra dimensions. They allow a description that is reminiscent of the so-called…

High Energy Physics - Theory · Physics 2019-02-12 Sang Hui Im , Hans Peter Nilles , Marek Olechowski

The principle of equivalence is translated into the language of the world-volume field theories that define matrix and string theories. This idea leads to explore possible matrix descriptions of M-theory compactifications. An interesting…

High Energy Physics - Theory · Physics 2007-05-23 Jesús Puente Peñalba

We consider the space of $n$-tuples of pairwise commuting elements in the Lie algebra of $U(m)$. We relate its one-point compactification to the subquotients of certain rank filtrations of connective complex $K$-theory. We also describe the…

Algebraic Topology · Mathematics 2024-10-10 Simon Gritschacher

A self-contained review is given of the matrix model of M-theory. The introductory part of the review is intended to be accessible to the general reader. M-theory is an eleven-dimensional quantum theory of gravity which is believed to…

High Energy Physics - Theory · Physics 2008-11-26 Washington Taylor