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STUDIA CHEMIA - Issue no. 3 / 2012 | |||||||
Article: |
OMEGA POLYNOMIAL IN AST-CRYSTAL STRUCTURE. Authors: . |
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Abstract: Graphs associated to crystal networks can be designed by operations on maps. A repeating unit, made by such an operation, is used to build up the translational network. The topology of the ast crystal network is described here in terms of Omega counting polynomial. Close formulas for calculating the polynomial and the Cluj-Ilmenau index derived from it are given for two embeddings of this network. Keywords: Omega polynomial, CI index, ast-crystal lattice |
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