نتایج جستجو برای: malmquest index

تعداد نتایج: 396061  

Journal: :iranian journal of mathematical chemistry 2010
a. d. manikpuri s. aziz p. e. john p. v. khadikar

the sadhana index (sd) is a newly introduced cyclic index. efficient formulae for calculatingthe sd (sadhana) index of linear phenylenes are given and a simple relation is establishedbetween the sd index of phenylenes and of the corresponding hexagonal sequences.

The first reformulated Zagreb index $EM_1(G)$ of a simple graph $G$ is defined as the sum of the terms $(d_u+d_v-2)^2$ over all edges $uv$ of $G .$ In this paper, the various upper and lower bounds for the first reformulated Zagreb index of a connected graph interms of other topological indices are obtained.

A. YOOSOFAN M. NAMAZI−FARD

The mathematical properties of nano molecules are an interesting branch of nanoscience for researches nowadays. The periodic open single wall tubulene is one of the nano molecules which is built up from two caps and a distancing nanotube/neck. We discuss how to automatically construct the graph of this molecule and plot the graph by spring layout algorithm in graphviz and netwrokx packages. The...

Journal: :Journal of the American Medical Association 1916

Journal: :Yearbook of Swiss Administrative Sciences 2017

Journal: :College & Research Libraries News 1988

Journal: :THE JOURNAL OF JAPAN SOCIETY FOR CLINICAL ANESTHESIA 2011

Journal: :Journal of Algebra and Its Applications 2021

Let [Formula: see text] be a commutative Noetherian ring. For finitely generated text]-module text], Northcott introduced the reducibility index of which is number submodules appearing in an irredundant irreducible decomposition submodule text]. On other hand, for Artinian Macdonald proved that sum-irreducible representation does not depend on choice representation. This called sum-reducibility...

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