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physics.chem-ph2026
Chemical applicability of -Sombor index
Monika S, H. M. Nagesh
The Sombor index () and the modified Sombor index () are two closely related vertex-degree-based graph invariants. Both were introduced in the early 2020s and have fou…
physics.chem-ph2025
Edge Irregularity Strength: A Complementary Descriptor to Topological Indices in QSPR and QSAR Studies
U. Vijaya Chandra Kumar, H. M. Nagesh, Narahari N
In chemical graph theory, topological indices are widely used as numerical descriptors for establishing quantitative structure-property relationships (QSPR) and quantitative struct…