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We evaluate definite integrals involving the product of four modified Bessel functions of the first and second kind and a power function. We provide general formulas expressed in terms of the Meijer $G$-function and generalized…

Classical Analysis and ODEs · Mathematics 2026-01-21 Robert E. Gaunt

We derive an integral representation for Herglotz-Nevanlinna functions in two variables which provides a complete characterization of this class in terms of a real number, two non-negative numbers and a positive measure satisfying certain…

Complex Variables · Mathematics 2018-12-11 Annemarie Luger , Mitja Nedic

We give a classification between weighted norm inequalities of strong fractional integral operators, and their associated multi-parameter Muckenhoupt characteristics, bu considering the weights to be power functions. As a result, we extend…

Classical Analysis and ODEs · Mathematics 2022-02-25 Zipeng Wang

We prove martingale-ergodic and ergodic-martingale theorems with continuous parameter for vector valued Bochner integrable functions. We first prove almost everywhere convergence of vector valued martingales with continuous parameter. The…

Dynamical Systems · Mathematics 2020-02-18 Farruh Shahidi

Simple inequalities are established for some integrals involving the modified Bessel functions of the first and second kind. In most cases these inequalities are tight in certain limits. As a consequence, we deduce a tight double…

Classical Analysis and ODEs · Mathematics 2019-04-23 Robert E. Gaunt

Multiple binomial sums form a large class of multi-indexed sequences, closed under partial summation, which contains most of the sequences obtained by multiple summation of products of binomial coefficients and also all the sequences with…

Symbolic Computation · Computer Science 2023-06-12 Alin Bostan , Pierre Lairez , Bruno Salvy

The increasing rate of the Birkhoff sums in the infinite iterated function systems with polynomial decay of the derivative (for example the Gauss map) is studied. For different unbounded potential functions, the Hausdorff dimensions of the…

Number Theory · Mathematics 2021-08-20 Michal Rams , Lingmin Liao , Michal Rams

A classical theorem of Hutchinson asserts that if an iterated function system acts on $\mathbb{R}^d$ by similitudes and satisfies the open set condition then it admits a unique self-similar measure with Hausdorff dimension equal to the…

Dynamical Systems · Mathematics 2019-09-11 Ian D. Morris , Cagri Sert

A multivariable version of the strong maximal function is introduced and a sharp distributional estimate for this operator in the spirit of the Jessen, Marcinkiewicz, and Zygmund theorem is obtained. Conditions that characterize the…

Classical Analysis and ODEs · Mathematics 2011-03-10 Loukas Grafakos , Liguang Liu , Carlos Perez , Rodolfo H. Torres

Two kinds of infinite product representations for Vign\'eras multiple gamma function are presented. As an application of these formulas, a multiplication formula for the function is derived.

Classical Analysis and ODEs · Mathematics 2007-05-23 Michitomo Nishizawa

It is shown that the approximating functions used to define the Bochner integral can be formed using geometrically nice sets, such as balls, from a differentiation basis. Moreover, every appropriate sum of this form will be within a…

Classical Analysis and ODEs · Mathematics 2011-02-19 Peter A. Loeb , Erik Talvila

In [22], it was proved that as long as the integrand has certain properties, the corresponding It\^o integral can be written as a (parameterized) Lebesgue integral (or a Bochner integral). In this paper, we show that such a question can be…

Probability · Mathematics 2016-08-14 Qi Lü , Jiongmin Yong , Xu Zhang

We develop notions of integrable functions within the theory of schemic motivic integration.

Algebraic Geometry · Mathematics 2013-09-24 Andrew R. Stout

We outline a cohomological treatment for multivalued (classical) action functionals. We point out that an application of Takens' theorem, after Zuckerman, Deligne and Freed, allows to conclude that multivalued functionals yield globally…

Mathematical Physics · Physics 2007-05-23 E. Aldrovandi

The integral of a function $f$ defined on a symmetric space $M \simeq G/K$ may be expressed in the form of a determinant (or Pfaffian), when $f$ is $K$-invariant and, in a certain sense, a tensor power of a positive function of a single…

Differential Geometry · Mathematics 2023-06-21 Salem Said , Cyrus Mostajeran

We explore the Bohr inequality involving the Fourier transforms of complex valued integrable and square integrable functions defined on a second countable compact topological group. We also investigate the connection of the Bohr phenomenon…

Functional Analysis · Mathematics 2020-11-26 Bappaditya Bhowmik , Nilanjan Das

A two-parameter characteristic of functions meromorphic on annuli is introduced and an extension of the Nevanlinna value distribution theory for such functions is proposed.

Complex Variables · Mathematics 2008-07-09 Andriy Kondratyuk

Multivariable, real-valued functions induce matrix-valued functions defined on the space of d-tuples of n-times-n pairwise-commuting self-adjoint matrices. We examine the geometry of this space of matrices and conclude that the best notion…

Functional Analysis · Mathematics 2017-01-20 Kelly Bickel

In this paper we determine a number of meaningful compositions of higher order of a set of functions, which is considered in Malesevic (1998), in implicit and explicit form. Results which are obtained are applied to the vector analysis in…

Combinatorics · Mathematics 2007-05-23 Branko J. Malesevic

Multi-valued functions are common in computable analysis (built upon the Type 2 Theory of Effectivity), and have made an appearance in complexity theory under the moniker search problems leading to complexity classes such as PPAD and PLS…

Computational Complexity · Computer Science 2015-12-31 Arno Pauly