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Related papers: The Engel--Minkowski question-mark function

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Certain excess versions of the Minkowski and H\"older inequalities are given. These new results generalize and improve the Minkowski and H\"older inequalities.

Probability · Mathematics 2018-07-31 Iosif Pinelis

In this article we give evaluations of certain series of hyperbolic functions using Jacobi elliptic functions theory. We also define some new functions that enable us to give characterization of not solvable class of series.

Number Theory · Mathematics 2019-08-05 Nikos Bagis

We find that the solution of the polar angular differential equation can be written as the universal associated Legendre polynomials. Its generating function is applied to obtain an analytical result for a class of interesting integrals…

Quantum Physics · Physics 2017-02-22 Wei Li , Chang-Yuan Chen , Shi-Hai Dong

Minkowski functionals provide a novel tool to characterize the large-scale galaxy distribution in the Universe. Here we give a brief tutorial on the basic features of these morphological measures and indicate their practical application for…

Astrophysics · Physics 2008-02-03 J. Schmalzing , M. Kerscher , T. Buchert

We examine the question of which characteristic functions yield Weyl-Heisenberg frames for various values of the parameters. We also give numerous applications of frames of characteristic functions to the general case (g,a,b).

Functional Analysis · Mathematics 2015-06-26 P. G. Casazza , M. C. Lammers

In this article we give evaluations of certain series of hyperbolic functions, using Jacobi elliptic functions theory. We also define some new functions that enable us to give characterization of not solvable class of series.

General Mathematics · Mathematics 2017-11-28 Nikolaos D. Bagis

Self-adjoint Dirac systems and subclasses of canonical systems, which generalize Dirac systems are studied. Explicit and global solutions of direct and inverse problems are obtained. A local Borg-Marchenko-type theorem, integral…

Classical Analysis and ODEs · Mathematics 2012-11-29 B. Fritzsche , B. Kirstein , A. L. Sakhnovich

In this paper we will deduce several properties of the Green's functions related to the Hill's equation coupled to various boundary value conditions. In particular, the idea is to study the Green's functions of the second order differential…

Classical Analysis and ODEs · Mathematics 2023-04-14 Alberto Cabada , Lucía López-Somoza , Mouhcine Yousfi

Regarding quaternions as normal matrices, we first characterize the $2\times 2$ matrix-valued functions, defined on subsets of quaternions, whose values are quaternions. Then we investigate the regularity of quaternionic-valued functions,…

Functional Analysis · Mathematics 2019-02-12 Florian-Horia Vasilescu

We establish an additive kinematic formula for the functional Minkowski vectors using mixed Monge-Amp\`ere measures. These vectors, recently introduced and characterized by the author and F. Mussnig, form a natural family of vector-valued…

Metric Geometry · Mathematics 2026-05-20 Mohamed A. Mouamine

The main objective of present investigation to obtain some Minkowski-type fractional integral inequalities using generalised proportional Hadamard fractional integral operators which is introduced by Rahman et al in the paper (certain…

General Mathematics · Mathematics 2020-07-22 Asha B. Nale , Satish K. Panchal , Vaijanath L. Chinchane

This object of this paper to give several properties and applications of multiple p-adic q-L-function of two variables.

Number Theory · Mathematics 2007-05-23 M. Cenkci , Y. Simsek , V. Kurt

Results involving various mean value properties are reviewed for harmonic, biharmonic and metaharmonic functions. It is also considered how the standard mean value property can be weakened to imply harmonicity and belonging to other classes…

Analysis of PDEs · Mathematics 2019-05-23 Nikolay Kuznetsov

In this paper, for every $q\in(0,1)$, we obtain the Herglotz representation theorem and discuss the Bieberbach type problem for the class of $q$-convex functions of order $\alpha, 0\le\alpha<1$. In addition, we discuss the Fekete-szeg\"o…

Complex Variables · Mathematics 2017-05-22 Sarita Agrawal

In this paper, we introduce and share the new concept of $\mathcal{MT}(\lambda )$-functions and its some characterizations.

Functional Analysis · Mathematics 2015-06-11 Wei-Shih Du

By the example of the proof of Minkowski's conjecture on critical determinant we give a category theory framework for interval computation.

Category Theory · Mathematics 2025-10-20 Nikolaj M. Glazunov

Skew idempotent functionals of ordered semirings are studied. Different associative and non-associative semirings are considered. Theorems about properties of skew idempotent functionals are proved. Examples are given.

Rings and Algebras · Mathematics 2018-12-18 Sergey V. Ludkovsky

This article handles in a short manner a few Laplace transform pairs and some extensions to the basic equations are developed. They can be applied to a wide variety of functions in order to find the Laplace transform or its inverse when…

General Mathematics · Mathematics 2014-02-13 Henrik Stenlund

We consider irrational fixed points of the Minkowski question mark function $? (x)$, that is irrational solutions of the equation $? (x)=x$. It is easy to see that there exist at least two such points. Although it is not known if there are…

Number Theory · Mathematics 2019-06-26 Dmitry Gayfulin , Nikita Shulga

We analyze the Wigner function constructed on the basis of the discrete rotation and displacement operators labeled with elements of the underlying finite field. We separately discuss the case of odd and even characteristics and analyze the…

Quantum Physics · Physics 2007-05-23 A. B. Klimov , C. Munoz , J. L. Romero