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On a conjecture of v. nikiforov

Web28. dec 2011. · Proof of a conjecture of V. Nikiforov, Combinatorica 10.1007/s00493-011-2652-1 DeepDyve Learn More → Proof of a conjecture of V. Nikiforov Terpai, Tamás Combinatorica , Volume 31 (6) – Dec 28, 2011 Read Article Download PDF Share Full Text for Free 16 pages Article Details Recommended References Bookmark Add to … Web24. mar 2006. · Semantic Scholar extracted view of "The energy of graphs and matrices" by V. Nikiforov. Skip to search form Skip to main content Skip to account menu. Semantic Scholar's Logo. Search 211,395,025 papers from all fields of science. Search ... This paper shows the following conjecture of Alon: for sufficiently large n the authors have that …

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WebThe conjecture says that given any positive integer r, if G is an n-vertex edge-colored graph ... [23] N. Khadˇziivanov, V. Nikiforov, Solution of a problem of P. Erd˝os about the maximum number of triangles with a common edge in a graph, C.R.Acad.BulgareSci.32 (1979), 1315–1318 (in Russian). http://kjc.jsnu.edu.cn/79/d5/c3871a358869/page.htm the burdock band https://davidlarmstrong.com

10.1016/j.disc.2009.02.013 DeepDyve

Web01. nov 2024. · Now we put our perspective on some larger classes of graphs. In 2004, Hong [23] determined the extremal graph with maximum spectral radius for K 5 -minor … Web06. jan 2024. · We prove three theorems about a conjecture of V. Nikiforov for Schatten p p -norm of graphs when p>2 p > 2. We prove that the conjecture is true when p p is an even integer or when graph is a tree or a strongly regular graph with certain parameters. The strongly regular graphs with these parameters are graphs with maximal energy. Anahtar … Web01. jul 2009. · On a conjecture of V. Nikiforov P. Csikvári Published 1 July 2009 Mathematics Discret. Math. View via Publisher math.mit.edu Save to Library Create Alert … tastefully hq

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Category:ON THE POLYNOMIAL OF A GRAPH Selected Papers of Alan J …

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On a conjecture of v. nikiforov

On Zagreb index, signless Laplacian eigenvalues and signless …

WebWe consider four conjectures related to the largest eigenvalue of (the adjacency matrix of) a graph (i.e., to the index of the graph). Three of them h… WebA theorem of Nosal and Nikiforov states that if $G$ is a triangle-free graph with $m$ edges, then $\lambda (G)\le \sqrt{m}$, equality holds if and only if $G$ is a ...

On a conjecture of v. nikiforov

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Web05. okt 2013. · Let G be a graph of order n and let q(G) be that largest eigenvalue of the signless Laplacian of G. In this note it is shown that if k>1 and q(G)>=n+2k-2, then G … WebWe partly confirm a Brualdi-Solheid-Turán type conjecture due to Nikiforov, which is a spectral radius analogue of the well-known Erdos-Sós˝ Conjecture that any tree of order …

WebFree essays, homework help, flashcards, research papers, book reports, term papers, history, science, politics Web25. apr 2024. · V. Nikiforov. Let be a graph with edges and spectral radius . Let stand for the maximal number of triangles with a common edge in . In 1970 Nosal proved that if …

Web01. dec 2024. · We partly confirm a Brualdi-Solheid-Turán type conjecture due to Nikiforov, which is a spectral radius analogue of the well-known Erdős-Sós Conjecture that any tree of order t is contained in...

Web01. dec 2011. · V. Nikiforov, Xiying Yuan Mathematics 2014 Given a graph G; let kGk denote the trace norm of its adjacency matrix, also known as the energy of G: The main …

Web15. apr 2010. · V. Nikiforov. Bounds on graph eigenvalues II. Linear Algebra Appl., 427 (2007), pp. 183-189. View PDF View article View in Scopus Google Scholar [13] V. Nikiforov. A spectral condition for odd cycles. Linear Algebra Appl., 428 (2008), pp. 1492-1498. View PDF View article View in Scopus Google Scholar tastefully lateWeb01. dec 2011. · Finally, in 2011 T. Terpai proved Nikiforov's conjecture [191] with the help of analytic methods. The common example for the asymptotically tight upper bound for … the burdock groupWebDOI: 10.1016/j.disc.2024.113112 Corpus ID: 245502708; On a conjecture of Nikiforov involving a spectral radius condition for a graph to contain all trees @article{Liu2024OnAC, title={On a conjecture of Nikiforov involving a spectral radius condition for a graph to contain all trees}, author={Xiangxiang Liu and Hajo Broersma and Ligong Wang}, … the burdett houseWeb报 告 人：李书超 教授报告题目：OnAαspectral extrema of graphs forbidding even cycles报告时间：2024年4月1日（周六）下午14:00报告地点：静远楼1508主办单位：数学与统计学院、数学研究院、科学技术研究院报告人简介： 李书超，理学博士，教授，博士生导师，主要从事组合数学、图论及其应用方面的研究。 tastefully graceWeb25. dec 2024. · On a conjecture of Nikiforov involving a spectral radius condition for a graph to contain all trees. We partly confirm a Brualdi-Solheid-Turán type conjecture … tastefully in spanishWeb01. maj 2016. · A conjecture is stated about general complete bipartite graphs, which is proved for infinitely many cases. ... V. Nikiforov. A contribution to the Zarankiewicz problem. Linear Algebra Appl., 432 (2010), pp. 1405-1411. View PDF View article View in Scopus Google Scholar [15] K. Zarankiewicz. the burdock londonWeb01. jan 1978. · For a given graph G = (V, E) and a sign function π : E → {±1}, we denote by φ π (λ) the characteristic polynomial of the signed adjacency matrix of a signed graph G π on G. the burdock plant