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We present a survey of ergodic theorems for actions of algebraic and arithmetic groups recently established by the authors, as well as some of their applications. Our approach is based on spectral methods employing the unitary…

Dynamical Systems · Mathematics 2013-04-26 Alex Gorodnik , Amos Nevo

We show how Cartesian method can be used in the proof of fundamental planimetric topics of the school course, such as introduction of trigonometric functions, equation of a line and similarity of triangles. This work also can be considered…

History and Overview · Mathematics 2016-08-16 Makar Plakhotnyk

An extension of the Stone's theorem to PT symmetric, extended quantum mechanics must employ its pseudo-norm. We show that the evolution of the wave functions is then pseudo-unitary, and emphasize that their pseudo-norm remains…

Mathematical Physics · Physics 2007-05-23 Miloslav Znojil

This is a survey on weight enumerators, zeta functions and Riemann hypothesis for linear and algebraic-geometry codes.

Information Theory · Computer Science 2018-07-17 Artur Elezi , Tony Shaska

In this current article, we introduce the quadruple Shehu transform and its inverse. We also introduce some properties of quadruple Shehu transform. The Convolution theorem and its proof are also discussed. Further, to solve homogeneous and…

General Mathematics · Mathematics 2022-12-01 D. D. Pawar , G. G. Bhuttampalle , S. B. Chavhan , Wagdi F. S. Ahmed , R. D. Kadam

We describe a method that allows for a practical application of the theory of pseudo-Hermitian operators to PT-symmetric systems defined on a complex contour. We apply this method to study the Hamiltonians $H=p^2+x^2(ix)^\nu$ with…

Quantum Physics · Physics 2007-05-23 Ali Mostafazadeh

This is an expository article on the techniques of quantization as they are applied to Gromov-Witten theory and related areas.

Algebraic Geometry · Mathematics 2013-09-05 Emily Clader , Nathan Priddis , Mark Shoemaker

In this article we present certain formulas involving arithmetical functions. In the first part we study properties of sums and product formulas for general type of arithmetic functions. In the second part we apply these formulas to the…

General Mathematics · Mathematics 2018-08-21 Nikos Bagis

This paper develops second variational formulas and index forms in the context of Hermitian geometry. Building upon these analytical foundations, we establish results analogous to classical theorems in Riemannian geometry, including Myers'…

Differential Geometry · Mathematics 2025-07-22 Xiaokui Yang

In \cite{PSMA}, Pal et al. introduced some weighted means and gave some related inequalities by using an approach for operator monotone functions. This paper discusses the construction of these weighted means in a simple and nice setting…

Functional Analysis · Mathematics 2020-05-26 Mustapha Raïssouli , Shigeru Furuichi

Shnirelman's theorem is applied to solving Diophantine equations, and also discussing of the problems of a representation of Gaussian integers by a sum of odd Gaussian primes.

General Mathematics · Mathematics 2020-01-03 Felix Sidokhine

We derive inversion formulas involving orthogonal polynomials which can be used to find coefficients of differential equations satisfied by certain generalizations of the classical orthogonal polynomials. As an example we consider special…

Classical Analysis and ODEs · Mathematics 2007-05-23 Roelof Koekoek

This PhD thesis aims at combining the framework of noncommutative geometry and supersymmetry. A particular class of non-commutative geometries called almost-commutative geometries can be used to describe particle theories. This thesis…

High Energy Physics - Theory · Physics 2014-09-25 Thijs van den Broek

In the paper we consider an extension of Mobius-Pompeiu theorem of the elementary geometry over metric spaces. We specially take into consideration Ptolemaic metric spaces.

Metric Geometry · Mathematics 2007-05-23 Branko J. Malesevic

This paper deals with the evaluation of some definite Euler-type integrals in terms of the Wright hypergeometric function. We obtain a theorem on the Wright hypergeometric function and then use this theorem to evaluate some definite…

Classical Analysis and ODEs · Mathematics 2019-01-23 S Jabee , M Shadab , R B Paris

We prove a theorem that generalizes Schmidt's Subspace Theorem in the context of metric diophantine approximation. To do so we reformulate the Subspace theorem in the framework of homogeneous dynamics by introducing and studying a slope…

Number Theory · Mathematics 2021-02-08 Emmanuel Breuillard , Nicolas de Saxcé

We prove an effective version of the Pila-Wilkie Theorem for sets definable using Pfaffian functions, providing effective estimates for the number of algebraic points of bounded height and degree lying on such sets. We also prove effective…

Number Theory · Mathematics 2023-01-25 Gal Binyamini , Gareth O. Jones , Harry Schmidt , Margaret E. M. Thomas

The paper presents the bosonic and fermionic supersymmetric extensions of the structural equations describing conformally parametrized surfaces immersed in a Grasmann superspace, based on the authors' earlier results. A detailed analysis of…

Mathematical Physics · Physics 2015-06-18 Sébastien Bertrand , Alfred M. Grundland , Alexander J. Hariton

As is well known, symmetry plays an important role in the theoretical physics. In particular, the well-known Noether symmetry is an useful tool to select models motivated at a fundamental level, and find the exact solution to the given…

General Relativity and Quantum Cosmology · Physics 2012-01-10 Hao Wei , Xiao-Jiao Guo , Long-Fei Wang

Motivated by the work on hypergeometric summation theorems (recorded in the table III of Prudnikov et al. pp. 541-546), we have established some new summation theorems for Clausen's hypergeometric functions with unit argument in terms of…

Classical Analysis and ODEs · Mathematics 2018-06-22 M. I. Qureshi , Mohd Shadab
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