Results 1 to 10 of about 351,014 (282)
Ve-Degree, Ev-Degree, and Degree-Based Topological Indices of Fenofibrate
Journal of Mathematics, 2022 The molecular topology of a graph is described by topological indices, which are numerical measures. In theoretical chemistry, topological indices are numerical quantities that are used to represent the molecular topology of networks.
Sadik Delen +6 more
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Ramanujan Complexes and bounded degree topological expanders [PDF]
2014 IEEE 55th Annual Symposium on Foundations of Computer Science, 2014 Expander graphs have been a focus of attention in computer science in the last four decades. In recent years a high dimensional theory of expanders is emerging. There are several possible generalizations of the theory of expansion to simplicial complexes,
Kaufman, Tali +2 more
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Entropy comparison of benzothiadiazole-based covalent-organic frameworks [PDF]
Frontiers in ChemistryCovalent Organic Frameworks (COFs) are popular photocatalysts that utilize solar energy to generate hydrogen peroxide and evolve hydrogen because of their intrinsic porosity, robust framework, and excellent structural regularity.
Soniya Kurian +3 more
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Gutman index, edge-Wiener index and edge-connectivity [PDF]
Transactions on Combinatorics, 2020 We study the Gutman index ${\rm Gut}(G)$ and the edge-Wiener index $W_e (G)$ of connected graphs $G$ of given order $n$ and edge-connectivity $\lambda$.
Jaya Mazorodze +2 more
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Topological transcendence degree [PDF]
Journal of Algebra, 2021 Throughout the paper, an analytic field means a non-archimedean complete real-valued one, and our main objective is to extend to these fields the basic theory of transcendental extensions. One easily introduces a topological analogue of the transcendence degree, but, surprisingly, it turns out that it may behave very badly.
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Novel Degree-Based Topological Descriptors of Fenofibrate Using M-Polynomial
Journal of Mathematics, 2023 Chemical graph theory is currently expanding the use of topological indices to numerically encode chemical structure. The prediction of the characteristics provided by the chemical structure of the molecule is a key feature of these topological indices ...
Muhammad Kamran +6 more
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On Some Ve-Degree and Harmonic Molecular Topological Properties of Carborundum
ARO-The Scientific Journal of Koya University, 2020 Carborundum, also known as silicon carbide which containing carbon and silicon, is a semiconductor. Molecular topological properties of physical substances are important tools to investigate the underlying topology of these substances.
Murat Cancan +3 more
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Extremal topological indices of some nanostructures
Heliyon, 2023 In this work, general formulas of degree-based and neighborhood degree sum-based topological indices for a 2D lattice of H-Naphtalenic nanotubes and pent-heptagonal nanosheets are determined.
Shivani Rai +3 more
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Open Mathematics, 2022 In this article, we are concerned with the periodic solutions of first-order difference equation Δu(t−1)=f(t,u(t))−s,t∈Z,(P)\Delta u\left(t-1)=f\left(t,u\left(t))-s,\hspace{1em}t\in {\mathbb{Z}},\hspace{1.0em}\hspace{1.0em}\left(P) where s∈Rs\in {\mathbb{
Zhao Jiao, Ma Ruyun
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Topological mixing of higher degrees [PDF]
Proceedings of the American Mathematical Society, 1978 We give examples of homeomorphisms which are topologically 1-mixing but not topologically 2-mixing. One is a subshift and the other is a diffeomorphism of the torus.
Goodman, Sue, Marcus, Brian
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