Markov product of positive definite kernels and applications to Q-matrices of graph products

DOI10.4064/cm122-2-2zbMath1222.05173OpenAlexW2318835137MaRDI QIDQ3079994

Nobuaki Obata

Publication date: 4 March 2011

Published in: Colloquium Mathematicum (Search for Journal in Brave)

Full work available at URL: https://semanticscholar.org/paper/079e780ad9b37e3c2ea334299abf4d5254e0b2d2

zbMATH Keywords

star graphpositive definite kernelQ-matrixdirect product graphMarkov productcomb graphfree product graph

Mathematics Subject Classification ID

Graphs and linear algebra (matrices, eigenvalues, etc.) (05C50) Quantum stochastic calculus (81S25) Distance in graphs (05C12) Positive definite functions on groups, semigroups, etc. (43A35) Graph operations (line graphs, products, etc.) (05C76)

Related Items (4)

Determining finite connected graphs along the quadratic embedding constants of paths ⋮ Quadratic embedding constants of graphs: bounds and distance spectra ⋮ Characterizing graphs with fully positive semidefinite \(Q\)-matrices ⋮ Distance matrices and quadratic embedding of graphs

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