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    STUDIA CHEMIA - Issue no. 2 / 2014  
         
  Article:   OMEGA POLYNOMIAL IN TWO APPEARANCESOF THE CRYSTAL NETWORK DIU15, SPACE GROUP IM-3M.

Authors:  MIRCEA V. DIUDEA.
 
       
         
  Abstract:   Omega polynomialW(G,x) is defined on opposite edge strips ops in a graph. The first and second derivatives, in X = 1, of Omega polynomial provide the Cluj-Ilmenau CI index. Design of a new crystal network, called diu15, by means of the Medial map operation is presented. The topology of this network, in two different appearances, is described in terms of Omega polynomial, function of the net parameters. Close formulas for the polynomial are given and examples tabulated.

Keywords: Omega polynomial, CI index, map operation, diu15 crystal network
 
         
     
         
         
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