3 papers
math.CO2021
Analytical and computational study of the variable inverse sum deg index
Walter Carballosa, J. A. Mendez-Bermudez, Jose M. Rodriguez +1
A large number of graph invariants of the form are studied in mathematical chemistry, where denotes the edge of the graph connecting the ve…
math.CO2020
Relations between some topological indices and the line graph
Walter Carballosa, Ana Granados, Domingo Pestana +2
The concepts of geometric-arithmetic and harmonic indices were introduced in the area of chemical graph theory recently. They have proven to correlate well with physical and chemic…
math.CO2020
Distinguishing wheel graphs by the alliance polynomial
Walter Carballosa, Omar Rosario, José M. Sigarreta +1
Distinctive power of the alliance polynomial has been studied in previous works, for instance, it has been proved that the empty, path, cycle, complete, complete without one edge a…