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相关论文: Spectral generalized Tur\'{a}n problems

200 篇论文

As shown in [15], under some structural assumptions, working on congested traffic problems in general and increasingly dense networks leads, at the limit by {\Gamma}-convergence, to continuous minimization problems posed on measures on…

最优化与控制 · 数学 2015-07-07 Roméo Hatchi

In this paper we use the strength of the constraint method in combination with a generalized Borsuk-Ulam type theorem and a cohomological intersection lemma to show how one can obtain many new topological transversal theorems of Tverberg…

We consider a generalization of the three spectral inverse problem, that is, for given spectrum of the Dirichlet-Dirichlet problem (the Sturm-Liouville problem with Dirichlet conditions at both ends) on the whole interval $[0,a]$, parts of…

谱理论 · 数学 2016-09-13 O. P. Boyko , O. M. Martynyuk , V. N. Pivovarchik

In this paper we first develop various enhancements of the theory of spectral invariants of Hamiltonian Floer homology and of Entovi-Polterovich theory of spectral symplectic quasi-states and quasimorphisms by incorporating \emph{bulk…

辛几何 · 数学 2017-01-18 Kenji Fukaya , Yong-Geun Oh , Hiroshi Ohta , Kaoru Ono

We prove a generalization of van der Corput's difference theorem for sequences of vectors in a Hilbert space. This generalization is obtained by establishing a connection between sequences of vectors in the first Hilbert space with a vector…

动力系统 · 数学 2023-07-06 Sohail Farhangi

As a variant of the famous Tur\'an problem, we study $\mathrm{rex}(n,F)$, the maximum number of edges that an $n$-vertex regular graph can have without containing a copy of $F$. We determine $\mathrm{rex}(n,K_{r+1})$ for all pairs of…

组合数学 · 数学 2019-12-24 Dániel Gerbner , Balázs Patkós , Zsolt Tuza , Máté Vizer

In the present paper our aim is to introduce some models for the generalization of the kinetic theory of electrons and phonons (KTEP), as well as to study equilibrium solutions and their stability for the generalized KTEP (GKTEP) equations.…

软凝聚态物质 · 物理学 2009-11-10 A. Rossani , A. M. Scarfone

For fixed graphs $H$ and $F$, the \emph{generalized Tur\'an number} $\mathrm{ex}(n,H,F)$ is the maximum possible number of copies of a subgraph $H$ in an $n$-vertex $F$-free graph. This article is a survey of this extremal function whose…

组合数学 · 数学 2025-06-05 Dániel Gerbner , Cory Palmer

We generalize the conjectured connection between quantum spectral problems and topological strings to many local almost del Pezzo surfaces with arbitrary mass parameters. The conjecture uses perturbative information of the topological…

高能物理 - 理论 · 物理学 2015-07-01 Jie Gu , Albrecht Klemm , Marcos Marino , Jonas Reuter

Using the spectral theory of weakly convergent sequences of finite graphs, we prove the uniform existence of the integrated density of states for a large class of infinite graphs.

谱理论 · 数学 2007-09-11 Gabor Elek

Tur\'an problems in extremal combinatorics ask to find asymptotic bounds on the edge densities of graphs and hypergraphs that avoid specified subgraphs. The theory of flag algebras proposed by Razborov provides powerful methods based on…

组合数学 · 数学 2017-08-30 Annie Raymond , Mohit Singh , Rekha R. Thomas

The K\'arm\'an--Howarth theorem is derived for the Lagrangian averaged Navier-Stokes alpha (LANS$-\alpha$) model of turbulence. Thus, the LANS$-\alpha$ model's preservation of the fundamental transport structure of the Navier-Stokes…

混沌动力学 · 物理学 2009-11-07 Darryl D. Holm

We prove a common extension of Bang's and Kadets' lemmas for contact pairs, in the spirit of the Colourful Carath\'eodory Theorem. We also formulate a generalized version of the affine plank problem and prove it under special assumptions.…

度量几何 · 数学 2022-06-06 Gergely Ambrus

For a vertex $v$, let $c_G(v)$ be the order of the largest clique containing $v$, and let $w_r(v)$ be the number of walks with $r$ vertices starting at $v$. We prove that, for every finite simple graph $G$ and every integer $r\ge 1$,…

组合数学 · 数学 2026-05-05 Feng Liu , Shuang Sun , Yan Wang , Qi Wu

We establish Thom's jet transversality theorem for regular maps from an affine algebraic manifold to an algebraic manifold satisfying a suitable flexibility condition. It can be considered as the algebraic version of Forstneri\v{c}'s jet…

代数几何 · 数学 2022-12-13 Yuta Kusakabe

We consider TASEP in continuous time with non-random initial conditions and arbitrary fixed density of particles rho. We show GOE Tracy-Widom universality of the one-point fluctuations of the associated height function. The result phrased…

概率论 · 数学 2018-05-01 Patrik L. Ferrari , Alessandra Occelli

I argue that the (extended) Standard Model (SM) of particle physics and the renormalizable Feynman-Weinberg theory of quantum gravity comprise a theory of everything. I show that imposing the appropriate cosmological boundary conditions…

高能物理 - 理论 · 物理学 2008-11-26 Frank J. Tipler

In 1964, Erd\H{o}s, Hajnal and Moon introduced a saturation version of Tur\'an's classical theorem in extremal graph theory. In particular, they determined the minimum number of edges in a $K_r$-free, $n$-vertex graph with the property that…

In this paper, usual Sturm-Liouville problems are extended for symmetric functions so that the corresponding solutions preserve the orthogonality property. Two basic examples, which are special cases of a generalized Sturm-Liouville…

经典分析与常微分方程 · 数学 2013-05-23 Mohammad Masjed-Jamei

This technical report provides additional results for the main paper ``Probabilistic bounds on the $k-$Traveling Salesman Problem ($k-$TSP) and the Traveling Repairman Problem (TRP)''. For the $k-$TSP, we extend the probabilistic bounds…

离散数学 · 计算机科学 2022-11-22 Moïse Blanchard , Alexandre Jacquillat , Patrick Jaillet