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For a rational function of several variables with nonnegative imaginary part on the upper poly-half-plane, the matrix representations are obtained.

Complex Variables · Mathematics 2021-11-30 M. F. Bessmertnyi

The Tsallis $q$-exponential function $e_q(x) = (1+(1-q)x)^{\frac{1}{1-q}}$ is found to be associated with the deformed oscillator defined by the relations $\left[N,a^\dagger\right] = a^\dagger$, $[N,a] = -a$, and $\left[a,a^\dagger\right] =…

Mathematical Physics · Physics 2020-08-26 Ramaswamy Jagannathan , Sameen Ahmed Khan

We derive orthogonality relations for discrete q-ultraspherical polynomials and their duals by means of operators of representations of the quantum algebra su_q(1,1). Spectra and eigenfunctions of these operators are found explicitly. These…

Quantum Algebra · Mathematics 2008-04-24 Valentyna Groza

A two-parameter deformation of the Touchard polynomials, based on the NEXT $q$-exponential function of Tsallis, defines two statistics on set partitions. The generating function of classical Touchard polynomials is a composition of two…

Combinatorics · Mathematics 2022-08-10 Orli Herscovici

Several kinds of q-orthogonal polynomials with |q|=1 are constructed as the main parts of the eigenfunctions of new solvable discrete quantum mechanical systems. Their orthogonality weight functions consist of quantum dilogarithm functions,…

Mathematical Physics · Physics 2016-01-22 Satoru Odake , Ryu Sasaki

For a simple connected graph $G$, the $Q$-generating function of the numbers $N_k$ of semi-edge walks of length $k$ in $G$ is defined by $W_Q(t)=\sum\nolimits_{k = 0}^\infty {N_k t^k }$. This paper reveals that the $Q$-generating function…

Combinatorics · Mathematics 2014-03-13 Shu-Yu Cui , Gui-Xian Tian

In this paper we obtain some new transformation formula for Ramanujan summation formula and also establish some eta-function identities. we also deduce a q-Gamma function identity, n q-integral and some interesting series representation.

Number Theory · Mathematics 2007-05-23 C. Adiga , N. Anitha , T. Kim

We study the mixed-integer epigraph of a special class of convex functions with non-convex indicator constraints, which are often used to impose logical constraints on the support of the solutions. The class of functions we consider are…

Optimization and Control · Mathematics 2023-09-19 Shaoning Han , Andrés Gómez

New representation of the odderon wave function is derived, which is convergent in the whole impact parameter plane and provides the analytic form of the quantization condition for the integral of motion q_3. A new quantum number, triality,…

High Energy Physics - Phenomenology · Physics 2009-10-31 G. P. Korchemsky , J. Wosiek

Trigonometry is the study of circular functions, which are functions defined on the unit circle $x^2+y^2 =1$, where distances are measured using the Euclidean norm. When distances are measured using the $L_p$-norm, we get generalized…

Classical Analysis and ODEs · Mathematics 2021-09-30 Sunil Chebolu , Andrew Hatfield , Riley Klette , Christopher Moore , Elizabeth Warden

We introduce and discuss a new class of (multivalued analytic) transcendental functions which still share with algebraic functions the property that the number of their isolated zeros can be explicitly counted. On the other hand, this class…

Classical Analysis and ODEs · Mathematics 2011-09-12 Gal Binyamini , Dmitry Novikov , Sergei Yakovenko

I consider the expansion of transcendental functions in a small parameter around rational numbers. This includes in particular the expansion around half-integer values. I present algorithms which are suitable for an implementation within a…

High Energy Physics - Phenomenology · Physics 2009-11-10 Stefan Weinzierl

Properties of certain $q$-orthogonal polynomials are connected to the $q$-oscillator algebra. The Wall and $q$-Laguerre polynomials are shown to arise as matrix elements of $q$-exponentials of the generators in a representation of this…

Classical Analysis and ODEs · Mathematics 2016-09-06 Roberto Floreanini , Jean LeTourneux , Luc Vinet

We discuss a special function (polyexponential) that extends the natural exponential function and also the exponential integral. The basic properties of the polyexponential are listed and some applications are given. In particular, it is…

Numerical Analysis · Mathematics 2007-10-09 Khristo N. Boyadzhiev

In the paper, the authors establish three kinds of double inequalities for the trigamma function in terms of the exponential function to powers of the digamma function. These newly established inequalities extend some known results. The…

Classical Analysis and ODEs · Mathematics 2015-12-17 Feng Qi , Cristinel Mortici

We introduce B-splines on the line of quaternionic order $B_q$ ($q$ in the algebra of quaternions) for the purposes of multi-channel signal and image analysis. The functions $B_q$ are defined first by their Fourier transforms, then as the…

Functional Analysis · Mathematics 2016-08-31 Jeffrey A. Hogan , Peter Massopust

We define a new basis of the algebra of quasi-symmetric functions by lifting the cycle-index polynomials of symmetric groups to noncommutative polynomials with coefficients in the algebra of free quasi-symmetric functions, and then…

Combinatorics · Mathematics 2019-03-27 Jean-Christophe Novelli , Jean-Yves Thibon , Frederic Toumazet

Inspired by computability logic\cite{Jap03}, we refine recursive function definitions into two kinds: blindly-quantified (BQ) ones and parallel universally quantified (PUQ) ones. BQ definitions corresponds to the traditional ones where…

Programming Languages · Computer Science 2022-07-26 Keehang Kwon

Multivariate functions of continuous variables arise in countless branches of science. Numerical computations with such functions typically involve a compromise between two contrary desiderata: accurate resolution of the functional…

An algebraic interpretation of the one-variable quantum $q$-Krawtchouk polynomials is provided in the framework of the Schwinger realization of $\mathcal{U}_{q}(sl_{2})$ involving two independent $q$-oscillators. The polynomials are shown…

Mathematical Physics · Physics 2016-07-19 Vincent X. Genest , Sarah Post , Luc Vinet , Guo-Fu Yu , Alexei Zhedanov