نتایج جستجو برای: sum balaban index
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The cover image is based on the Full Paper Laser-scribed Graphene Electrodes as an Electrochemical Immunosensing Platform for Cancer Biomarker ‘eIF3d' by Simge Balaban et al., DOI: 10.1002/elan.202060482.
Topological indices are the numerical value associated with chemical constitution purporting for correlation of chemical structure with various physical properties, chemical reactivity or biological activity. Graph theory is a delightful playground for the exploration of proof techniques in Discrete Mathematics and its results have applications in many areas of sciences. One of the useful indic...
The ideas of Mallion and Rouvray (1978), concerning the relevance of molecular topology to the prospects of obtaining, on the basis of the Aufbau Principle, a unique, n:-electronic ground-state configuration for an existent or hypothetical conjugated-system, are extended by considering a series of networks introduced by Balaban in 1978. It is shown by exploiting the properties of the eigenvalue...
The variable sum exdeg index of a graph G is defined as $SEI_a(G)=sum_{uin V(G)}d_G(u)a^{d_G(u)}$, where $aneq 1$ is a positive real number, du(u) is the degree of a vertex u ∈ V (G). In this paper, we characterize the graphs with the extremum variable sum exdeg index among all the graphs having a fixed number of vertices and cut edges, for every a>1.
The index conjecture in zero-sum theory states that if gcd?(n,6)=1 then every minimal sequence of length 4 modulo n has 1. In this paper, we prove a version for all n>N some absolute constant N.
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