Research Article
Study of Ge-Sb-Te Superlattice Structure Based on Topological Descriptors
Table 1
Ev-degrees and ve-degree-based indices.
| | Notation | Formula |
| | Ev-degree-based indices | | | | Randic index | | | | Zagreb index | | | | Ve-degree-based indices | | | | First Zagreb index | | | | Second Zagreb index | | | | Harmonic index | | | | Sum connectivity index | | | | Geometric arithmetic index | | | | Atom bond connectivity index | | | | Randic index | | | | First Zagreb index | | |
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