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In this paper we are concerned to find the eigenvalues and eigenvectors of a real symetric matrix by applying a new numerical method similar to Jacobi method. Our approch consists to use a new orthogonal matrix. The computation of the…

Numerical Analysis · Mathematics 2020-03-30 Nassim Guerraiche

In this note we mainly study the fine Jordan-Chevalley decomposition: a refinement of the classical Jordan-Chevalley decomposition of a matrix and we pay a particular attention to the field of the coefficients of the matrix. Moreover we…

Rings and Algebras · Mathematics 2017-07-07 Alberto Dolcetti , Donato Pertici

Based on the work by Smirnov and Zeitlin, we study a simple realization of the matrix construction of the affine Jacobi varieties. We find that the realization is given by a classical integrable model, the extended Lotka-Volterra lattice.…

Mathematical Physics · Physics 2015-06-26 Rei Inoue

A simple recursive scheme for parameterisation of n-by-n unitary matrices is presented.

Mathematical Physics · Physics 2009-11-11 C. Jarlskog

In this paper, we study the Jacobi sums over Galois rings of arbitrary characteristics and completely determine their absolute values, which extends the work in \cite{feng1}, where the Jacobi sums over Galois rings with characteristics a…

Information Theory · Computer Science 2020-06-04 Dengming Xu

We discuss an arithmetic approach to some congruence properties of Siegel theta series of even positive definite unimodular quadratic forms.

Number Theory · Mathematics 2015-04-03 Rainer Schulze-Pillot

In this paper, we study some extended hypergeometric functions from matrix point of view. We have given the integral representations of these matrix functions. Finally, we obtain some generating function relations using fractional…

Classical Analysis and ODEs · Mathematics 2020-11-03 Ashish Verma , Ravi Dwivedi , Vivek Sahai

The differential geometric aspects of Geometric Phases are reviewed.

Mathematical Physics · Physics 2007-05-23 Péter Lévay

The problem of finding a canonical form of complex matrices up to conjugacy with the set of canonical matrices being a union of affine planes in the matrix space is considered. A solution of the problem is given producing a new canonical…

Representation Theory · Mathematics 2011-11-01 Peteris Daugulis

We report upon the present status of global fits to Cabibbo-Kobayashi-Maskawa matrix.

High Energy Physics - Experiment · Physics 2011-09-13 G. Eigen , G. P. Dubois-Felsmann , D. G. Hitlin , F. C. Porter

In this article, we give two examples of finitely presented quadratic algebras (algebras presented by quadratic relations) of intermediate growth.

Rings and Algebras · Mathematics 2015-06-04 Dilber Kocak

This is a survey on the state-of-the-art of the classification of finite-dimensional complex Hopf algebras. This general question is addressed through the consideration of different classes of such Hopf algebras. Pointed Hopf algebras…

Quantum Algebra · Mathematics 2014-04-01 Nicolás Andruskiewitsch

A real vector space combined with an inverse for vectors is sufficient to define a vector continued fraction whose parameters consist of vector shifts and changes of scale. The choice of sign for different components of the vector inverse…

Mathematical Physics · Physics 2009-11-10 Roger Haydock , C. M. M. Nex , Geoffrey Wexler

We study characteristic polynomials of symmetric matrices with entries ${i+j\choose i}$ the binomial coefficients, over finite fields.

Number Theory · Mathematics 2007-05-23 Roland Bacher , Robin Chapman

This article is a short review on the relationship between convergent matrix integrals, formal matrix integrals, and combinatorics of maps. We briefly summarize results developed over the last 30 years, as well as more recent discoveries.…

Mathematical Physics · Physics 2007-05-23 Bertrand Eynard

We report on recent progress concerning the relationship that exists between the algebraic structure of a finite group and certain features of its class-size prime graph.

Group Theory · Mathematics 2024-10-02 Víctor Sotomayor

We show that many existing divisibility sequences can be seen as sequences of determinants of matrix divisibility sequences, which arise naturally as Jacobian matrices associated to groups of maps on affine spaces.

Number Theory · Mathematics 2011-09-06 Gunther Cornelissen , Jonathan Reynolds

We give a new characterization of pseudoconvex point, and of finite type point, using analytic discs.

Complex Variables · Mathematics 2007-05-23 Steven G. Krantz

In this paper we present a systematic way to describe exceptional Jacobi polynomials via two partitions. We give the construction of these polynomials and restate the known aspects of these polynomials in terms of their partitions. The aim…

Classical Analysis and ODEs · Mathematics 2018-12-24 Niels Bonneux

We present a survey of recent results concerning a remarkable class of unitary matrices, the CMV matrices. We are particularly interested in the role they play in the theory of random matrices and integrable systems. Throughout the paper we…

Mathematical Physics · Physics 2009-11-11 Irina Nenciu