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Related papers: Equality in Wielandt's eigenvalue inequality

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The paper is devoted to obtain first and second order necessary optimality conditions for continuous-time optimization problems with equality and inequality constraints. A full rank type regularity condition along with an uniform implicit…

Optimization and Control · Mathematics 2023-05-10 Moisés Rodrigues Cirilo do Monte , Valeriano Antunes de Oliveira

The eigenvalue equation has been found for a Hamilton function in a form independent of the choice of a potential. This paper proposes a modified Fedosov construction on a flat symplectic manifold. Necessary and sufficient conditions for…

Mathematical Physics · Physics 2012-05-25 Jaromir Tosiek

In this paper, we study eigenvalue of linear fourth order elliptic operators in divergence form with Dirichlet boundary condition on a bounded domain in a compact Riemannian manifolds with boundary (possibly empty) and find a general…

Differential Geometry · Mathematics 2019-02-01 Shahroud Azami

We prove that the energy of any eigenvector of a sum of several independent large Wigner matrices is equally distributed among these matrices with very high precision. This shows a particularly strong microcanonical form of the…

Mathematical Physics · Physics 2021-07-01 Zhigang Bao , Laszlo Erdos , Kevin Schnelli

In this short article we obtain some necessary conditions for a so-called fractional Hardy-Sobolev's inequalities in multidimensional case. We also give some examples to show the sharpness of these inequalities.

Functional Analysis · Mathematics 2011-08-08 E. Ostrovsky , L. Sirota

In this article we discuss a generalized Wirtinger inequality.

Analysis of PDEs · Mathematics 2010-05-04 Gisella Croce , Bernard Dacorogna

This note makes the obvious observation that Hoeffding's original proof of his inequality remains valid in the game-theoretic framework. All details are spelled out for the convenience of future reference.

Probability · Mathematics 2007-08-21 Vladimir Vovk

We establish necessary and sufficient condition for existence of solutions for a class of semilinear Dirichlet problems with the linear part at resonance at eigenvalues of multiplicity two. The result is applied to give a condition for…

Analysis of PDEs · Mathematics 2026-01-13 Philip Korman

In this article, we obtain an equation for the high-dimensional limit measure of eigenvalues of generalized Wishart processes, and the results is extended to random particle systems that generalize SDEs of eigenvalues. We also introduce a…

Probability · Mathematics 2019-09-17 Jian Song , Jianfeng Yao , Wangjun Yuan

In this paper we shall prove a sharpened version of the Finsler-Hadwiger inequality which is a strong generalization of Weitzenbock inequality. After that we give another refinement of this inequality and in the final part we provide some…

Metric Geometry · Mathematics 2009-04-26 Cezar Lupu , Cosmin Pohoata

The condition number for eigenvalue computations is a well--studied quantity. But how small can we expect it to be? Namely, which is a perfectly conditioned matrix w.r.t. eigenvalue computations? In this note we answer this question with…

Numerical Analysis · Mathematics 2021-05-18 Carlos Beltrán , Laurent Bétermin , Peter Grabner , Stefan Steinerberger

Young's integral inequality is complemented with an upper bound to the remainder. The new inequality turns out to be equivalent to Young's inequality, and the cases in which the equality holds become particularly transparent in the new…

General Mathematics · Mathematics 2008-09-11 E. Minguzzi

I give a characterization of the conditions for two Hamiltonians to be equivalent, discuss the construction of the operators that relate equivalent Hamiltonians, and introduce variational methods that can select Hamiltonians with desirable…

Mathematical Physics · Physics 2010-09-01 W. N. Polyzou

In this note we prove Poincar\'e type inequalities for a family of kinetic equations. We apply this inequality to the variational solution of a linear kinetic model.

Analysis of PDEs · Mathematics 2011-09-07 Pascal Azerad , Stéphane Brull

We present inequalities and some applications to Kellers' limit and Carlemans' inequality.

Classical Analysis and ODEs · Mathematics 2013-12-24 Cristinel Mortici , Hu Yue

In this paper, we prove an inequality regarding the differential polynomial. This improves some recent results.

Complex Variables · Mathematics 2020-12-29 Sudip Saha

The main purpose of the present article is to give some new Hilbert's sum type inequalities, which in special cases yield the classical Hilbert's inequalities. Our results provide some new estimates to these types of inequalities.

General Mathematics · Mathematics 2020-02-20 Chang-Jian Zhao , Wing Sum Cheung

In this paper, inequalities among eigenvalues of different self-adjoint discrete Sturm-Liouville problems are established. For a fixed discrete Sturm-Liouville equation, inequalities among eigenvalues for different boundary conditions are…

Spectral Theory · Mathematics 2015-10-29 Hao Zhu , Yuming Shi

We introduce two entanglement conditions that take the form of inequalities involving expectation values of operators. These conditions are sufficient conditions for entanglement, that is if they are satisfied the state is entangled, but if…

Quantum Physics · Physics 2015-05-19 Mark Hillery , Ho Trung Dung , Hongjun Zheng

We prove conditions for equality between the extreme eigenvalues of a matrix and its quotient. In particular, we give a lower bound on the largest singular value of a matrix and generalize a result of Finck and Grohmann about the largest…

Combinatorics · Mathematics 2007-05-23 Bela Bollobas , Vladimir Nikiforov