نتایج جستجو برای: szeged polynomial
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In this paper the Wiener and hyper Wiener index of two kinds of dendrimer graphs are determined. Using the Wiener index formula, the Szeged, Schultz, PI and Gutman indices of these graphs are also determined.
امروزه با گسترش تکنولوژی بی سیم و نیاز به برقراری امنیت استفاده از رمزنگاری امری اجتناب ناپذیر می نماید. گروه های تحقیقاتی زیادی تلاش می کنند که سیستم های رمزنگاری ایمن طراحی کنند. اما یک پیاده سازی بد می تواند تمامی این تلاش ها را بیهوده سازد. به همین دلیل در کنار طراحی و تحلیل امنیت سیستم های رمزنگاری، بحث پیاده سازی آن ها در دستور کار گروه های تحقیقاتی قرار می گیرد. در پیاده سازی دو موضوع م...
The second and third geometric-arithmetic indices GA2(G) and GA3(G) of a graph G are defined, respectively, as ∑ uv∈E(G) √ nu(e,G)nv(e,G) 1 2 [nu(e,G)+nv(e,G)] and ∑ uv∈E(G) √ mu(e,G)mv(e,G) 1 2 [mu(e,G)+mv(e,G)] , where e = uv is one edge in G, nu(e,G) denotes the number of vertices in G lying closer to u than to v andmu(e,G) denotes the number of edges in G lying closer to u than to v. The Sz...
let $g$ be a simple graph of order $n$. we consider the independence polynomial and the domination polynomial of a graph $g$. the value of a graph polynomial at a specific point can give sometimes a very surprising information about the structure of the graph. in this paper we investigate independence and domination polynomial at $-1$ and $1$.
aImperial College London, and Chelsea and Westminster Hospital, London, UK bDepartment of Gastroenterology and Hepatology, Chaim Sheba Medical Center, Tel Hashomer, Israel cDepartment of Medicine B, University Hospital Münster, Münster, Germany dDepartment of Gastroenterology, Venizeleio General Hospital, Heraklion, Crete, Greece eDepartment of Gastroenterology and Hepatology, University and Me...
computer science logic 20th international workshop csl 2006 15th annual conference of the eacsl szeged hungary september 25 29 2006 proceedings lecture notes in computer science. Book lovers, when you need a new book to read, find the book here. Never worry not to find what you need. Is the computer science logic 20th international workshop csl 2006 15th annual conference of the eacsl szeged hu...
The history of the University of Szeged dates back to 1581 when István Báthory, the Prince of Transylvania founded a higher education institution in Kolozsvár (Cluj-Napoca) which became prestigious in a short time. Due to its professors well-known all around Europe it provided high standard education and also had the right to confer baccalaureate and master’s degrees. Moreover, it was the only ...
topological indices are numerical parameters of a graph which characterize its topology. inthis paper the pi, szeged and zagreb group indices of the tetrameric 1,3–adamantane arecomputed.
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