نتایج جستجو برای: genus of a graph

تعداد نتایج: 23288361  

Journal: :Journal of Combinatorial Theory, Series B 1987

Journal: :Journal of Combinatorial Theory, Series B 1987

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه رازی - دانشکده علوم 1391

in this work, a novel and fast method for direct analysis of volatile compounds (davc) of medicinal plants has been developed by holding a filament from different parts of a plant in the gc injection port. the extraction and analysis of volatile components of a small amount of plant were carried out in one-step without any sample preparation. after optimization of temperature, extraction time a...

Journal: :Random Struct. Algorithms 1995
Vojtech Rödl Robin Thomas

Let p = p(n) be a function of n with 0 < p < 1. We consider the random graph model G(n, p); that is, the probability space of simple graphs with vertex–set {1, 2, . . . , n} where two distinct vertices are adjacent with probability p and for distinct pairs these events are mutually independent. Archdeacon and Grable have shown that if p2(1−p2) ≥ 8(logn)/n, then the (orientable) genus of a rando...

Journal: :Graphs and Combinatorics 1993
Jonathan L. Gross E. Ward Klein Robert G. Rieper

Not all rational numbers are possibilities for the average genus of an individual graph. The smallest such numbers are determined. and varied examples are constructed to demonstrate that a single value of average genus can be shared by arbitrarily many different graphs. It is proved that the number one is a limit point of the set of possible values for average genus and that the complete graph ...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه فردوسی مشهد - دانشکده علوم 1376

in chapter 1, charactrizations of fragmentability, which are obtained by namioka (37), ribarska (45) and kenderov-moors (32), are given. also the connection between fragmentability and its variants and other topics in banach spaces such as analytic space, the radone-nikodym property, differentiability of convex functions, kadec renorming are discussed. in chapter 2, we use game characterization...

پایان نامه :دانشگاه آزاد اسلامی واحد کرمانشاه - دانشکده زبانهای خارجی 1393

this study investigated (a) the learners’ existing reading strategy repertoire, (b) the effect of instruction in reading strategies on learners’ strategic performance, and (c) the effect of explicit instruction in top-down reading strategies on reading comprehension ability of intermediate learners. the study was conducted with 40 intermediate efl learners in two groups of experimental and cont...

پایان نامه :وزارت علوم، تحقیقات و فناوری - دانشگاه اصفهان - دانشکده زبانهای خارجی 1390

this thesis attempts to study the representations of the third-world intellectuals in three fictional works by the british-educated trinidadian nobel-winner v. s. naipaul: the mimic men, a bend in the river, and magic seeds. the first one recounts the story of ralph singh’s sense of alienation, his experiences as a colonial politician, and his struggle to give order to his disorderly world thro...

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