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Related papers: New trigonometric and hyperbolic inequalities

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This paper is addressed to an inverse stochastic hyperbolic equation with three unknowns, i.e., a source term, an initial displacement and an initial velocity. The global uniqueness is proved by a new global Carleman estimate for the…

Mathematical Physics · Physics 2012-06-05 Qi Lü , Xu Zhang

The purpose of this survey is to give a comprehensive introduction to some classes of classical and recent analytic inequalities in Inner Product Spaces.

Functional Analysis · Mathematics 2007-05-23 Sever Silvestru Dragomir

In this paper, we derive a boundary and an internal observability inequality for stochastic hyperbolic equations with nonsmooth lower order terms. The required inequalities are obtained by global Carleman estimate for stochastic hyperbolic…

Optimization and Control · Mathematics 2015-06-15 Qi Lu

Our aim is to give a friendly introduction for students to systolic inequalities. We will stress the relationships between the classical formulation for Riemannian metrics and more recent developments related to symplectic measurements and…

Differential Geometry · Mathematics 2021-08-26 Gabriele Benedetti

This review examines classical and recent results on controllability and inverse problems for hyperbolic and dispersive equations with dynamic boundary conditions. We aim to illustrate the applicability of Carleman estimates to establish…

Optimization and Control · Mathematics 2025-05-22 S. E. Chorfi , L. Maniar , R. Morales

During the past thirty years hyperbolic type metrics have become popular tools also in modern mapping theory, e.g., in the study of quasiconformal and quasiregular maps in the euclidean $n$-space. We study here several metrics that one way…

Complex Variables · Mathematics 2011-04-26 Matti Vuorinen

In this paper, we establish some new inequalities of the Hermite-Hadamard like for class of (h-s)_{1,2}-convex functions which are ordinary, super-multiplicative or similarly ordered and nonnegative.

Classical Analysis and ODEs · Mathematics 2012-03-19 M. Emin Ozdemir , Ahmet Ocak Akdemir , Mevlut Tunc

Asymptotic results for weighted floating bodies are established and used to obtain new proofs for the existence of floating areas on the sphere and in hyperbolic space and to establish the existence of floating areas in Hilbert geometries.…

Metric Geometry · Mathematics 2019-06-18 Florian Besau , Monika Ludwig , Elisabeth M. Werner

This result sharpens the bilinear to linear deduction of Lee and Vargas for extension estimates on the hyperbolic paraboloid in $\mathbb R^3$ to the sharp line, leading to the first scale-invariant restriction estimates, beyond the…

Classical Analysis and ODEs · Mathematics 2018-12-19 Betsy Stovall

We develop a new method to obtain symmetrization inequalities of Sobolev type. Our approach leads to new inequalities and considerable simplification in the theory of embeddings of Sobolev spaces based on rearrangement invariant spaces.

Functional Analysis · Mathematics 2007-06-21 Joaquim Martin , Mario Milman , Evgeniy Pustylnik

In this paper we shall consider some famous means such as arithmetic, harmonic, geometric, root-square means, etc. Some new means recently studied are also presented. Different kinds of refinement of inequalities among these means are…

General Mathematics · Mathematics 2007-05-23 Inder Jeet Taneja

In this article, we prove several multi-term refinements of Young type inequalities for both real numbers and operators improving several known results. Among other results, we prove \begin{eqnarray*}…

Functional Analysis · Mathematics 2016-10-11 Mohammad Sababheh , Mohammad Sal Moslehian

Duke, Imamo\=glu, and T\'oth have recently constructed a new geometric invariant, a hyperbolic orbifold, associated to each narrow ideal class of a real quadratic field. Furthermore, they have shown that the projection of these hyperbolic…

Number Theory · Mathematics 2025-08-29 Peter Humphries , Asbjørn Christian Nordentoft

We present some new Sobolev inequalities on spheres corresponding to parabolic geometries of real rank-one semisimple Lie groups

Group Theory · Mathematics 2012-07-27 Bent Orsted

In this work, new inequalities connected with the Steffensen's integral inequality for s-convex functions are proved

Classical Analysis and ODEs · Mathematics 2016-04-08 Mohammad W. Alomari

In this paper, we introduce a new generalization of Pascal's triangle. The new object is called the hyperbolic Pascal triangle since the mathematical background goes back to regular mosaics on the hyperbolic plane. We describe precisely the…

History and Overview · Mathematics 2017-12-22 Hacene Belbachir , László Németh , László Szalay

In a previous paper we have introduced a new class of radial basis functions that are powerful means to approximate functions by quasi-interpolation. In this article we extend the results to create new ways of approximating functions by…

Numerical Analysis · Mathematics 2025-12-18 M. Buhmann , J. Jódar , M. Rodríguez

This article studies the homogenization of hyperbolic-parabolic equations in porous media with tiny holes. We assume that the holes are periodically distributed and that the coefficients of the equations are periodic. Using the multi-scale…

Analysis of PDEs · Mathematics 2017-03-09 Hermann Douanla , Erick Tetsadjio

We derive basic differential geometric formulae for surfaces in hyperbolic space represented as envelopes of horospheres. The dual notion of parallel hypersurfaces is also studied. The representation is applied to prove existence and…

Differential Geometry · Mathematics 2025-07-01 Charles L. Epstein

In this papaer, we put forward some new definitions and integral inequalities by using fairly elementary analysis.

Classical Analysis and ODEs · Mathematics 2012-11-13 M. Emin Ozdemir , Mevlut Tunc , Mustafa Gurbuz