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The Riccati inequality and equality are studied for infinite dimensional linear discrete time stationary systems with respect to the scattering supply rate. The results obtained are an addition to and based on our earlier work on the…

Functional Analysis · Mathematics 2016-09-02 D. Z. Arov , M. A. Kaashoek , D. R. Pik

We introduce a discrete-time fractional calculus of variations on the time scales $\mathbb{Z}$ and $(h\mathbb{Z})_a$. First and second order necessary optimality conditions are established. Some numerical examples illustrating the use of…

Classical Analysis and ODEs · Mathematics 2012-02-15 Nuno R. O. Bastos

We prove new Hardy-type $\alpha$-conformable dynamic inequalities on time scales. Our results are proved by using Keller's chain rule, the integration by parts formula, and the dynamic H\"{o}lder inequality on time scales. When $\alpha=1$,…

General Mathematics · Mathematics 2022-09-08 Ahmed A. El-Deeb , Samer D. Makharesh , Delfim F. M. Torres

We prove a necessary optimality condition for isoperimetric problems on time scales in the space of delta-differentiable functions with rd-continuous derivatives. The results are then applied to Sturm-Liouville eigenvalue problems on time…

Optimization and Control · Mathematics 2012-11-06 Rui A. C. Ferreira , Delfim F. M. Torres

We formulate a coherent approach to signals and systems theory on time scales. The two derivatives from the time-scale calculus are used, i.e., nabla (forward) and delta (backward), and the corresponding eigenfunctions, the so-called nabla…

Classical Analysis and ODEs · Mathematics 2016-04-06 Manuel Ortigueira , Delfim F. M. Torres , Juan Trujillo

We generalize McDiarmid's inequality for functions with bounded differences on a high probability set, using an extension argument. Those functions concentrate around their conditional expectations. We further extend the results to…

Machine Learning · Computer Science 2024-05-03 Richard Combes

We discuss our work on pointwise inequalities for the gradient which are connected with the isoperimetric profile associated to a given geometry. We show how they can be used to unify certain aspects of the theory of Sobolev inequalities.…

Functional Analysis · Mathematics 2014-04-17 Joaquim Martin , Mario Milman

We prove in this article the generalizations on the exponential Orlicz spaces Markov's - Bernstein's inequalities for algebraic polynomials and rational functions.

Functional Analysis · Mathematics 2007-05-23 E. Ostrovsky

This article focuses on the Bohr radius problem for the derivatives of analytic functions, along with a technique of establishing Bohr inequalities in classical and generalized settings.

Complex Variables · Mathematics 2019-11-18 Bappaditya Bhowmik , Nilanjan Das

In this note we generalize the trace inequality derived by [1] to the case where the number of terms of the sum (denoted by K) is arbitrary.

Functional Analysis · Mathematics 2010-11-30 E. V. Belmega , M. Jungers , S. Lasaulce

A generalization of the H\"older inequality is considered. Its relations with a previously obtained improvement of the Cauchy--Schwarz inequality are discussed.

Classical Analysis and ODEs · Mathematics 2017-01-17 Iosif Pinelis

In the past three years, many researchers have proven and/or employed some Wirtinger-type integral inequalities to establish less conservative stability criteria for delayed continu\-ous-time systems. In this present paper, we will…

Optimization and Control · Mathematics 2015-09-18 Xian Zhang , Yuanyuan Han , Yantao Wang , Cheng Gong

We utilize operational methods to generalize the Chernoff inequality and prove a new result that relates the moment bound to strictly absolute monotonic functions. We show that the Chernoff bound is part of a continuum of probability…

Probability · Mathematics 2019-11-12 Roy S. Freedman

We consider the completely positive discretizations of fractional ordinary differential equations (FODEs) on nonuniform meshes. Making use of the resolvents for nonuniform meshes, we first establish comparison principles for the…

Numerical Analysis · Mathematics 2024-01-05 Yuanyuan Feng , Lei Li , Jian-Guo Liu , Tao Tang

Recently the present authors established refined versions of Bohr's inequality in the case of bounded analytic functions. In this article, we state and prove a generalization of these results in a reformulated "distance form" version and…

Complex Variables · Mathematics 2021-03-25 Saminathan Ponnusamy , Ramakrishnan Vijayakumar , Karl-Joachim Wirths

In this short paper we generalize the classical inequality between the norms in Lebesgue spaces of the functions and its derivatives, which in the multidimensional case are called Sobolev's inequalities, on the many popular classes pairs of…

Functional Analysis · Mathematics 2010-02-01 E. Ostrovsky , E. Rogover , L. Sirota

In this paper, we obtain some Simpson type inequalities for functions whose derivatives in absolute value are $\varphi$-convex.

Functional Analysis · Mathematics 2012-07-10 M. Emin Ozdemir , Merve Avci , A. Ocak Akdemir

We obtain inequalities of H\"{o}lder and Minkowski type with weights generalizing both the case of weights with alternating signs and the classical case of non-negative weights.

Classical Analysis and ODEs · Mathematics 2015-06-10 Petr Chunaev , Ljiljanka Kvesić , Josip Pečarić

We introduce a notion of fractional (noninteger order) derivative on an arbitrary nonempty closed subset of the real numbers (on a time scale). Main properties of the new operator are proved and several illustrative examples given.

Classical Analysis and ODEs · Mathematics 2016-09-06 Benaoumeur Bayour , Delfim F. M. Torres

In this paper we obtain a generalization of some integral inequalities related to Chebyshev`s functional by using a generalized Katugampola fractional integral.

General Mathematics · Mathematics 2019-09-17 Tariq A. Al-Jaaidi , Deepak B. Pachpatte