نتایج جستجو برای: with strong odd
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nowadays,tourism industry considered as one of the main sources of income of a country.unfortunately and despite of owning plenty of cultural historical and natural attractions, iran has not reached to a proper position in this field. besides, the historical cities of a country are considered as the income resource and national wealth of it. qazvin with a rich cultural precedent, have suitable ...
Given a finite and connected two-dimensional CW complex K with fundamental group $$\Pi $$ second integer cohomology $$H^2(K;\mathbb {Z})$$ of odd order, we prove that: (1) for each local coefficient system $$\alpha :\Pi \rightarrow \textrm{Aut}(\mathbb over K, the corresponding twisted $$H^2(K;_{\alpha }\!\mathbb is say order $$\mathfrak {c}^{*}(\alpha )$$ , there exists natural function—which ...
heteropoly acids (hpa) and their salts have advantages as catalysts which make them both economically and environmentally attractive, strong br?nsted acidity, exhibiting fast reversible multi-electron redox transformations under rather mild conditions, very high solubility in polar solvents, fairly high thermal stability in the solid states, and efficient oxidizing ability, so that they are imp...
In this paper we define a new labeling called skolem odd difference mean labeling and investigate skolem odd difference meanness of some standard graphs. Let G = (V,E) be a graph with p vertices and q edges. G is said be skolem odd difference mean if there exists a function f : V (G) → {0, 1, 2, 3, . . . , p + 3q − 3} satisfying f is 1−1 and the induced map f : E(G) → {1, 3, 5, . . . , 2q−1} de...
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