Permanent of the Laplacian matrix of trees and bipartite graphs
Let \(G=(V,E)\) be a graph without loops and multiple edges with vertex set \(V=\{v_ 1,...,v_ n\}\) and edge set E. Suppose the degree of vertex \(v_ i\) equals \(d_ i\) for \(i=1,...,n\) and let \(D=D(G)\) be the diagonal matrix whose (i,i)-entry is \(d_ i\).
Richard A. Brualdi, John L. Goldwasser
openaire +1 more source
Robust joint clustering of multi-omics single-cell data via multi-modal high-order neighborhood Laplacian matrix optimization. [PDF]
Jiang H, Zhan S, Ching WK, Chen L.
europepmc +1 more source
JLMC: A clustering method based on Jordan-Form of Laplacian-Matrix
Among the current clustering algorithms of complex networks, Laplacian-based spectral clustering algorithms have the advantage of rigorous mathematical basis and high accuracy.
J Niu (13383387) +2 more
core
This study developed a two‐stage model using radiomics‐based multiparametric MRI and clinical indicators to help identify and grade clinically significant prostate cancer. The model showed promising levels of diagnostic accuracy and predictive performance.
Yuyan Zou +10 more
wiley +1 more source
Graph Convolutional Network Using Adaptive Neighborhood Laplacian Matrix for Hyperspectral Images with Application to Rice Seed Image Classification. [PDF]
Orozco J +4 more
europepmc +1 more source
The Laplacian matrix of a graph [PDF]
This paper is a study of the various matrices associated with graphs. In Chapter 1, the relationship between the Laplacian matrix and the Incidence matrix is explored. The Matrix-Tree Theorem (MTT) is stated here. One of the main objectives of this paper
Amar, Alka
core
Distance matrix and Laplacian of a tree with attached graphs [PDF]
A tree with attached graphs is a tree, together with graphs defined on its partite sets. We introduce the notion of incidence matrix, Laplacian and distance matrix for a tree with attached graphs.
R.B. Bapat, Bapat, R. B., Bapat, R.B.
core +1 more source
Kernel Bounds for Parabolic Operators Having First‐Order Degeneracy at the Boundary
ABSTRACT We study kernel estimates for parabolic problems governed by singular elliptic operators ∑i,j=1N+1qijDij+cDyy,cγ+1>0,γ=qN+1,N+1,$$\begin{equation*} \sum _{i,j=1}^{N+1}q_{ij}D_{ij}+c\frac{D_y}{y},\qquad \frac{c}{\gamma }+1>0, \quad \gamma =q_{N+1,N+1}, \end{equation*}$$in the half‐space R+N+1={(x,y):x∈RN,y>0}$\mathbb {R}^{N+1}_+=\lbrace (x,y ...
L. Negro, C. Spina
wiley +1 more source
Sharp decrease in the Laplacian matrix rank of phase-space graphs: a potential biomarker in epilepsy. [PDF]
Yang Z, Fan D, Wang Q, Luan G.
europepmc +1 more source
On some properties of the Laplacian matrix revealed by the RCM algorithm [PDF]
summary:In this paper we present some theoretical results about the irreducibility of the Laplacian matrix ordered by the Reverse Cuthill-McKee (RCM) algorithm. We consider undirected graphs with no loops consisting of some connected components. RCM is a
Palomares Chust, Alberto +7 more
core +1 more source

