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We present a new proof of the sphere covering inequality in the spirit of comparison geometry, and as a byproduct we find another sphere covering inequality which can be viewed as the dual of the original one. We also prove sphere covering…

Analysis of PDEs · Mathematics 2019-01-02 Changfeng Gui , Fengbo Hang , Amir Moradifam

The Glauber-Sudarshan $P$-representation is used in quantum optics to distinguish between semi-classical and genuinely quantum electromagnetic fields. We employ the analog of the $P$-representation to show that the violation of the…

Quantum Physics · Physics 2015-06-17 T. Wasak , P. Szankowski , P. Zin , M. Trippenbach , J. Chwedenczuk

In this paper, we prove Newton-Maclaurin type inequalities for functions obtained by linear combination of two neighboring primary symmetry functions, which is a generalization of the classical Newton-Maclaurin inequality.

Classical Analysis and ODEs · Mathematics 2022-05-03 Changyu Ren

In this paper, we investigate the inverse quasi-variational inequality problem in finite-dimensional spaces. First, we introduce a second-order dynamical system whose trajectory converges exponentially to the solution of the inverse…

Optimization and Control · Mathematics 2026-01-19 Pham Viet Hai , Thanh Quoc Trinh , Phan Tu Vuong

Equivalencies of many basic elementary inequalities are given

Classical Analysis and ODEs · Mathematics 2008-09-04 P. S. Bullen

We present a Carlson type inequality for the generalized Sugeno integral and a much wider class of functions than the comonotone functions. We also provide three Carlson type inequalities for the Choquet integral. Our inequalities…

Functional Analysis · Mathematics 2015-02-25 Michał Boczek , Marek Kaluszka

We provide a simple proof for the Fenchel duality between strong convexity and Lipschitz continuous gradient. To this end, we first establish equivalent conditions of convexity for a general function that may not be differentiable. By…

Optimization and Control · Mathematics 2018-03-20 Xingyu Zhou

An inequality, which combines the concept of completely monotone functions with the theory of divided differences, is proposed. It is a straightforward generalization of a result, recently introduced by two of the present authors.

Classical Analysis and ODEs · Mathematics 2022-04-15 Vasiliki Bitsouni , Nikolaos Gialelis , Dan-Stefan Marinescu

In this paper, a generalized Cauchy-Schwarz inequality for positive sesquilinear maps with values in noncommutative Lp-spaces for p > 1 are obtained. Bound estimates for their real and imaginary parts are also provided, and, as an…

Operator Algebras · Mathematics 2026-02-13 Giorgia Bellomonte , Stefan Ivkovic , Camillo Trapani

We prove that the sequence of cones of metric measure spaces converges if the sequence of base spaces converges in Gromov's box, concentration, and weak topologies. As an application, we show that the generalized Cauchy distribution with…

Metric Geometry · Mathematics 2024-02-23 Syota Esaki , Daisuke Kazukawa , Ayato Mitsuishi

Effective cross-modal retrieval requires robust alignment of heterogeneous data types. Most existing methods focus on bi-modal retrieval tasks and rely on distributional alignment techniques such as Kullback-Leibler divergence, Maximum Mean…

Information Retrieval · Computer Science 2025-09-29 Jiahao Zhang , Wenzhe Yin , Shujian Yu

Motivated by previous work leveraging factorizations of second- and fourth-order differential operators, a general integral inequality involving higher order derivatives is proven by elementary means. It is then shown how this framework…

Classical Analysis and ODEs · Mathematics 2025-09-19 Bart Rosenzweig , Jonathan Stanfill

In this paper, we sharpen and generalize Carlson's double inequality for the arc cosine function.

Classical Analysis and ODEs · Mathematics 2010-10-20 Feng Qi , Bai-Ni Guo

Let $A, B$ and $X$ be $n\times n$ matrices such that $A, B$ are positive semidefinite. We present some refinements of the matrix Cauchy-Schwarz inequality by using some integration techniques and various refinements of the Hermite--Hadamard…

Functional Analysis · Mathematics 2014-11-25 Mojtaba Bakherad

In this paper, we sharpen and generalize Carlson's double inequality for the arc cosine function.

Classical Analysis and ODEs · Mathematics 2013-01-29 Bai-Ni Guo , Feng Qi

We give a simple proof of a recently result concerning Hardy $q$-inequalities.

Classical Analysis and ODEs · Mathematics 2014-12-18 Peng Gao

Under quasi-monotone assumptions for coefficients, we show one kind of comparison theorem for multi-dimensional\textbf{\}backward doubly stochastic differential equations on infinite horizon. An example is given as well.

Probability · Mathematics 2010-05-25 Liangquan Zhang , Yufeng Shi

The main aim of this work is to give a general approach to the celebrated Kahane-Salem-Zygmund inequalities. We prove estimates for exponential Orlicz norms of averages $\sup_{1\le j \leq N} \big |\sum_{1 \leq i \leq K}\gamma_i(\cdot)…

Functional Analysis · Mathematics 2020-08-12 Andreas Defant , Mieczysław Mastyło

Some inequalities in 2-inner product spaces generalizing Bessel's result that are similar to the Boas-Bellman inequality from inner product spaces, are given. Applications for determinantal integral inequalities are also provided.

Functional Analysis · Mathematics 2007-05-23 S. S. Dragomir , Y. J. Cho , S. S. Kim , A. Sofo

The Simes inequality has received considerable attention recently because of its close connection to some important multiple hypothesis testing procedures. We revisit in this article an old result on this inequality to clarify and…

Statistics Theory · Mathematics 2008-12-18 Sanat K. Sarkar
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