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This paper establishes some hidden connections between the theory of generalized algebraic multiplicities, the intersection index of algebraic varieties, and the notion of orientability of vector bundles. The novel approach adopted in it…

Functional Analysis · Mathematics 2022-08-09 Julián López-Gómez , Juan Carlos Sampedro

We describe a generalization of the usual boundary strata classes in the Chow ring of $\overline{\mathcal{M}}_{g,n}$. The generalized boundary strata classes additively span a subring of the tautological ring. We describe a multiplication…

Algebraic Geometry · Mathematics 2018-04-17 Aaron Pixton

We develop Conley's theory for multivalued maps on finite topological spaces. More precisely, for discrete-time dynamical systems generated by the iteration of a multivalued map which satisfies appropriate regularity conditions, we…

Dynamical Systems · Mathematics 2024-04-25 Jonathan Barmak , Marian Mrozek , Thomas Wanner

The theory of matroids has been generalized to oriented matroids and, recently, to arithmetic matroids. We want to give a definition of "oriented arithmetic matroid" and prove some properties like the "uniqueness of orientation".

Combinatorics · Mathematics 2020-07-20 Roberto Pagaria

The commutation matrix was first introduced in statistics as a transposition matrix by Murnaghan in 1938. In this paper, we first investigate the commutation matrix which is employed to transform a matrix into its transpose. We then extend…

Combinatorics · Mathematics 2018-08-17 Changqing Xu

In this paper we introduce generalised Markov numbers and extend the classical Markov theory for the discrete Markov spectrum to the case of generalised Markov numbers. In particular we show recursive properties for these numbers and find…

Number Theory · Mathematics 2018-09-07 Oleg Karpenkov , Matty van-Son

We construct a class of positive linear maps on matrix algebras. We find conditions when these maps are atomic, decomposable and completely positive. We obtain a large class of atomic positive linear maps. As applications in quantum…

Operator Algebras · Mathematics 2017-04-25 Xin Li , Wei Wu

We study the topology of circularly ordered sets. While the algebraic notion is classical, the general topological theory has received comparatively little attention. In this work we provide a self-contained topological exposition and…

General Topology · Mathematics 2026-04-27 Michael Megrelishvili

In the present paper we generalise transference theorems from the classical geometry of numbers to the geometry of numbers over the ring of adeles of a number field. To this end we introduce a notion of polarity for adelic convex bodies.

Number Theory · Mathematics 2017-02-16 Carsten Thiel

In this paper, we introduce a new concept of generalized matrix rings and build up the general theory of radicals for g.m.rings. Meantime, we obtain $$\bar{r}_b(A)=g.m.r_b(A)=\sum\{r_b(A_{ij})\mid i, j\in I\}=r_b(A)$$

Rings and Algebras · Mathematics 2007-05-23 Shouchuan Zhang

We study a general transition operator, generated by a random walk on a graph $X$; in particular we give necessary and sufficient condition on the matrix coefficient (1-step transition probablilities) to be a bounded operator from…

Probability · Mathematics 2007-05-23 Fabio Zucca

Matrices are very popular and widely used in mathematics and other fields of science. Every mathematician has known the properties of finite-sized matrices since the time of study. In this paper, we consider the basic theory of infnite…

General Mathematics · Mathematics 2021-08-19 Lukasz Matysiak , Weronika Przewozniak , Natalia Rulinska

Generalized probabilistic theories (GPT) provide a general framework that includes classical and quantum theories. It is described by a cone $C$ and its dual $C^*$. We show that whether some one-way communication complexity problems can be…

Quantum Physics · Physics 2014-07-01 Samuel Fiorini , Serge Massar , Manas K. Patra , Hans Raj Tiwary

We prove that several results in different areas of number theory such as the divergent series, summation of arithmetic functions, uniform distribution modulo one and summation over prime numbers which are currently considered to be…

Number Theory · Mathematics 2011-03-30 Nilotpal Kanti Sinha , Marek Wolf

It is shown that a very simple multiplicative random complex matrix model generalizes the large-N phase structure found in the unitary case: A perturbative regime is joined to a non-perturbative regime at a point where the smoothness of…

High Energy Physics - Theory · Physics 2011-03-02 Robert Lohmayer , Herbert Neuberger , Tilo Wettig

We present, to the best of the authors' knowledge, all known results for the (planar) crossing numbers of specific graphs and graph families. The results are separated into various categories; specifically, results for general graph…

Combinatorics · Mathematics 2021-12-09 Kieran Clancy , Michael Haythorpe , Alex Newcombe

The goal of this paper is to unify two lines in a particular area of graph limits. First, we generalize and provide unified treatment of various graph limit concepts by means of a combination of model theory and analysis. Then, as an…

Combinatorics · Mathematics 2013-03-13 Jaroslav Nesetril , Patrice Ossona De Mendez

We describe various strengthenings of the concept of topological transitivity. Especially when one departs from the family of invertible systems, a number of interesting properties arise. We present the architecture of implications among…

Dynamical Systems · Mathematics 2016-01-22 Ethan Akin , Joseph Auslander , Anima Nagar

In this paper, we present the general one-dimensional Clifford Fourier Transform. We derive fundamental properties: Plancherel theorem, reconstruction and convolution formulas. Additionally, we provide an application to probability theory…

Functional Analysis · Mathematics 2023-05-04 Said Fahlaoui , Hakim Monaim

A general theory of permutation orbifolds is developed for arbitrary twist groups. Explicit expressions for the number of primaries, the partition function, the genus one characters, the matrix elements of modular transformations and for…

High Energy Physics - Theory · Physics 2009-10-31 P. Bantay