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In this paper the double-sided Talor's approximations are used to obtain generalisations and improvements of some trigonometric inequalities.

Classical Analysis and ODEs · Mathematics 2019-06-12 Branko Malesevic , Tatjana Lutovac , Marija Rasajski , Bojan Banjac

The main result of this paper supports a conjecture by C. P\'erez and E. Rela about a very recent result of theirs on self-improving theory. Also, we extend the conclusions of their theorem to the range $p<1$. As an application of our…

Classical Analysis and ODEs · Mathematics 2019-07-30 Javier C. Martínez-Perales

Despite enormous successful applications of graph neural networks (GNNs), theoretical understanding of their generalization ability, especially for node-level tasks where data are not independent and identically-distributed (IID), has been…

Machine Learning · Computer Science 2021-12-01 Jiaqi Ma , Junwei Deng , Qiaozhu Mei

In this paper, we prove a generalization of Reilly's formula in \cite{Reilly}. We apply such general Reilly's formula to give alternative proofs of the Alexandrov's Theorem and the Heintze-Karcher inequality in the hemisphere and in the…

Differential Geometry · Mathematics 2017-05-30 Guohuan Qiu , Chao Xia

In this paper we extend the known results of analytic connectivity to non-uniform hypergraphs. We prove a modified Cheeger's inequality and also give a bound on analytic connectivity with respect to the degree sequence and diameter of a…

Discrete Mathematics · Computer Science 2017-01-18 Ashwin Guha , Muni Sreenivas Pydi , Biswajit Paria , Ambedkar Dukkipati

We introduce a modification of the Tur\'an density of ordered graphs and investigate this graph parameter.

Combinatorics · Mathematics 2025-01-14 Christian Reiher , Vojtěch Rödl , Marcelo Sales , Mathias Schacht

In this paper, we study the support vector machine and introduced the notion of generalized support vector machine for classification of data. We show that the problem of generalized support vector machine is equivalent to the problem of…

Machine Learning · Computer Science 2017-03-08 Xiaomin Qi , Sergei Silvestrov , Talat Nazir

Proposed as a general framework, Liu and Yu(Discrete Math. 231 (2001) 311-320) introduced $(n,k,d)$-graphs to unify the concepts of deficiency of matchings, $n$-factor-criticality and $k$-extendability. Let $G$ be a graph and let $n,k$ and…

Combinatorics · Mathematics 2007-05-23 Zemin Jin , Huifang Yan , Qinglin Yu

We give a sheaf-theoretic version of the universal coefficient theorem.

Commutative Algebra · Mathematics 2024-10-25 Bruno Kahn

Graph neural networks are widely used tools for graph prediction tasks. Motivated by their empirical performance, prior works have developed generalization bounds for graph neural networks, which scale with graph structures in terms of the…

Machine Learning · Computer Science 2023-10-25 Haotian Ju , Dongyue Li , Aneesh Sharma , Hongyang R. Zhang

We generalize the enhanced power graph by replacing elements with classes under automorphisms. We show that the connectivity and diameter of this graph is similar to that of the enhanced power graph. We consider the universal vertices of…

Group Theory · Mathematics 2025-03-11 Abbas Mohammadian , Ismail Guloglu , Ahmad Erfanian , Mark L. Lewis

We generalize Jacod's condition and introduce a new type sufficient condition for the uniform integrability of the general stochastic exponential.

Probability · Mathematics 2020-01-01 Besik Chikvinidze

In this note, we present a refinement of the well-known AM-GM inequality. We use this improved inequalty to establish corresponding inequalities on Hilbert space. We also give some refinements of the Kantorovich inequality.

Functional Analysis · Mathematics 2021-11-08 Mehdi Eghbali Amlashi , Mahmoud Hassani

We present an example of a result in graph theory that is used to obtain a result in another branch of mathematics. More precisely, we show that the isomorphism of certain directed graphs implies that some trinomials over finite fields have…

Combinatorics · Mathematics 2019-04-23 Robert S. Coulter , Stefaan De Winter , Alex Kodess , Felix Lazebnik

We generalize the property that Riemann sums of a continuous function corresponding to equidistant subdivision of an interval converge to the integral of that function, and we give some applications of this generalization.

Classical Analysis and ODEs · Mathematics 2014-07-18 Omran Kouba

We use the definition of a fractional integral, recently proposed by Katugampola, to establish a generalization of the reverse Minkowski's inequality. We show two new theorems associated with this inequality, as well as state and show other…

Classical Analysis and ODEs · Mathematics 2017-05-23 J. Vanterler da C. Sousa , E. Capelas de Oliveira

Recently, it has been shown by Ighachanea and Akkouchia \cite{0.1} that using binomial coefficients, one can derive some new refinements of Holder's inequalities. This inequalities then can be applied to a wide class of special functions…

Classical Analysis and ODEs · Mathematics 2022-08-24 Omprakash Atale

We present, to the best of the authors' knowledge, all known results for the (planar) crossing numbers of specific graphs and graph families. The results are separated into various categories; specifically, results for general graph…

Combinatorics · Mathematics 2021-12-09 Kieran Clancy , Michael Haythorpe , Alex Newcombe

We extend a result of Levin and Ste\v{c}kin concerning an inequality analogous to Hardy's inequality.

Functional Analysis · Mathematics 2010-08-18 Peng Gao

We improve using elementary means an explicit bound on the divisor function due to Friedlander and Iwaniec. Consequently we modestly improve a result regarding a sieving inequality for Gaussian sequences.

Number Theory · Mathematics 2018-01-15 Jeffrey P. S. Lay