Results 41 to 50 of about 249,760 (328)
Discrete Magnetic Laplacian [PDF]
Communications in Mathematical Physics, 1994 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Applied Sciences, 2019 While progress has been made in design optimization of concentric ring electrodes maximizing the accuracy of the surface Laplacian estimation, it was based exclusively on the negligible dimensions model of the electrode.
Oleksandr Makeyev +5 more
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Communications in Partial Differential Equations, 2014 14 pages; this version is considerably ...
MUSINA, Roberta, Nazarov A. I.
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On the Laplacian, signless Laplacian and normalized Laplacian characteristic polynomials of a graph [PDF]
Czechoslovak Mathematical Journal, 2013 The authors prove a number of formulas on the characteristic polynomials of the Laplacian, signless Laplacian and normalized Laplacian matrices of graphs. The use of these formulas is exemplified in constructions of graphs cospectral with respect to the appropriate matrix.
Guo, Ji-Ming, Li, Jianxi, Shiu, Wai Chee
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On singularity and properties of eigenvectors of complex Laplacian matrix of multidigraphs
AKCE International Journal of Graphs and Combinatorics, 2023 In this article, we associate a Hermitian matrix to a multidigraph G. We call it the complex Laplacian matrix of G and denote it by [Formula: see text]. It is shown that the complex Laplacian matrix is a generalization of the Laplacian matrix of a graph.
Sasmita Barik +2 more
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Overdetermined boundary value problems for the $\infty$-Laplacian
, 2009 We consider overdetermined boundary value problems for the $\infty$-Laplacian in a domain $\Omega$ of $\R^n$ and discuss what kind of implications on the geometry of $\Omega$ the existence of a solution may have.
Buttazzo, G., Kawohl, B.
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Inequalities between Dirichlet and Neumann eigenvalues on the Heisenberg group [PDF]
, 2009 We prove that for any domain in the Heisenberg group the (k+1)'th Neumann eigenvalue of the sub-Laplacian is strictly less than the k'th Dirichlet eigenvalue.
Frank, Rupert L., Laptev, Ari
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Cospectral constructions for several graph matrices using cousin vertices
Special Matrices, 2021 Graphs can be associated with a matrix according to some rule and we can find the spectrum of a graph with respect to that matrix. Two graphs are cospectral if they have the same spectrum.
Lorenzen Kate
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The Bayesian-Laplacian Brain [PDF]
European Journal of Neuroscience, 2016 AbstractWe outline what we believe could be an improvement in future discussions of the brain acting as a Bayesian-Laplacian system. We do so by distinguishing between two broad classes of priors on which the brain’s inferential systems operate: in one category are biological priors (β priors) and in the other artifactual ones (α priors).
Semir Zeki, Oliver Y. Chén
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The second immanant of some combinatorial matrices [PDF]
Transactions on Combinatorics, 2015 Let $A = (a_{i,j})_{1 leq i,j leq n}$ be an $n times n$ matrix where $n geq 2$. Let $dt(A)$, its second immanant be the immanant corresponding to the partition $lambda_2 = 2,1^{n-2}$.
R. B. Bapat +1 more
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