Mathematical graph tools reveal electronic secrets of butterfly-shaped nanographenes
A new mathematical study uses degree-based topological indices, Shannon entropy and adjacency eigenvalues to predict the π-electron energy of butterfly-shaped ...
Tag: Zagreb indices
Graph Entropy Reveals Hidden Order in Hyper Carbon Nanotubes
Researchers have derived closed-form entropy measures of degree-based topological indices for hyper armchair carbon nanotubes, showing that entropy rises with ...
Graph Theory Cracks the Hidden Geometry of Giant Carbon Molecules
Mathematicians have derived exact closed-form topological descriptors for three families of giant benzenoid hydrocarbons, revealing a precise size-dependent hierarchy that ...
New Sum-Connectivity Descriptors Give Molecular Graphs a Sharper Predictive Edge
Researchers have introduced a unified family of sum-connectivity descriptors that reweights classical molecular graph indices and shows systematic gains in ...
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Mothers who receive childcare support from maternal grandparents show more parental warmth, finds NTU Singapore study
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University of Seville Breaks 120-Year-Old Mystery, Revises a Key Einstein Concept
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Bee body mass, pathogens and local climate influence heat tolerance
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Researchers record first-ever images and data of a shark experiencing a boat strike
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Groundbreaking Clinical Trial Reveals Lubiprostone Enhances Kidney Function
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