Distinguishing index of graphs with simple automorphism groups
Sign Up to like & getrecommendations! Published in 2022 at "European Journal of Combinatorics"
DOI: 10.1016/j.ejc.2021.103414
Abstract: Abstract The distinguishing index D ′ ( Γ ) of a graph Γ is the least number k such that Γ has an edge-coloring with k colors preserved only by the trivial automorphism. In this… read more here.
Keywords: index; index graphs; distinguishing index; simple automorphism ... See more keywords
The extremal α-index of graphs with no 4-cycle and 5-cycle
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DOI: 10.1016/j.laa.2021.02.022
Abstract: Abstract Given any real α ∈ [ 0 , 1 ] , the α-index of a graph G is the largest eigenvalue λ α ( G ) of the matrix A α ( G )… read more here.
Keywords: cycle; graphs cycle; cycle cycle; extremal index ... See more keywords
On ve-Degree Irregularity Index of Graphs and Its Applications as Molecular Descriptor
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DOI: 10.3390/sym14112406
Abstract: Most of the molecular graphs in the area of mathematical chemistry are irregular. Therefore, irregularity measure is a crucial parameter in chemical graph theory. One such measure that has recently been proposed is the ve-degree… read more here.
Keywords: index; degree irregularity; irregularity index; index graphs ... See more keywords