Results 11 to 20 of about 1,555,765 (257)

Machine Learning Seams of Conical Intersection: A Characteristic Polynomial Approach. [PDF]

open access: yesJ Phys Chem Lett, 2023
The machine learning of potential energy surfaces (PESs) has undergone rapid progress in recent years. The vast majority of this work, however, has been focused on the learning of ground state PESs.
Wang TY, Neville SP, Schuurman MS.
europepmc   +4 more sources

Characteristic numbers and chromatic polynomial of a tensor

open access: yesForum of Mathematics, Sigma
We introduce the characteristic numbers and the chromatic polynomial of a linear subspace of matrices, or equivalently of a tensor. Our approach generalizes and unifies the chromatic polynomial of a graph and of a matroid, characteristic numbers of ...
Austin Conner, Mateusz Michalek
doaj   +2 more sources

Factorization of the Characteristic Polynomial [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2014
We introduce a new method for showing that the roots of the characteristic polynomial of a finite lattice are all nonnegative integers. Our method gives two simple conditions under which the characteristic polynomial factors.
Joshua Hallam, Bruce Sagan
doaj   +1 more source

On Characteristic Polynomial of Antiadjacency Matrix of A Line Digraph

open access: yesJurnal Matematika UNAND, 2022
In this paper, we find the characteristic polynomial of the antiadjacency matrix of a line digraph. There are recent studies on the relation between the characteristic polynomial of the adjacency matrix and its line digraph, we are also interested in ...
Muhammad Irfan Arsyad Prayitno   +1 more
doaj   +1 more source

SIGNED GENERALIZED PETERSEN GRAPH AND ITS CHARACTERISTIC POLYNOMIAL [PDF]

open access: yesJournal of Algebraic Systems, 2018
Let G^s be a signed graph, where G = (V;E) is the underlying simple graph and s : E(G) to {+, -} is the sign function on E(G). In this paper, we obtain k-th signed spectral moment and k-th signed Laplacian spectral moment of Gs together with coefficients ...
E. Ghasemian, Gh. H. Fath-Tabar
doaj   +1 more source

Spectral Invariants and Their Application on Spectral Characterization of Graphs

open access: yesAxioms, 2022
In this paper, we give a method to characterize graphs determined by their adjacency spectrum. At first, we give two parameters Π1(G) and Π2(G), which are related to coefficients of the characteristic polynomial of graph G. All connected graphs with Π1(G)
Jun Yin, Haixing Zhao, Sun Xie
doaj   +1 more source

Characteristic Min-Polynomial and Eigen Problem of a Matrix over Min-Plus Algebra

open access: yesJTAM (Jurnal Teori dan Aplikasi Matematika), 2023
Let R_ε=R∪{-∞}, with R being a set of all real numbers. The algebraic structure (R_ε,⊕,⊗) is called max-plus algebra. The task of finding the eigenvalue and eigenvector is called the eigenproblem.
Sahmura Maula Al Maghribi   +2 more
doaj   +1 more source

Matching number and characteristic polynomial of a graph

open access: yesJournal of Taibah University for Science, 2020
Matching number and the spectral properties depending on the characteristic polynomial of a graph obtained by means of the adjacency polynomial has many interesting applications in different areas of science.
Aysun Yurttas Gunes   +3 more
doaj   +1 more source

Characteristic polynomial, determinant and inverse of a Fibonacci-Sylvester-Kac matrix

open access: yesSpecial Matrices, 2021
In this paper, we consider a new Sylvester-Kac matrix, i.e., Fibonacci-Sylvester-Kac matrix. We discuss the eigenvalues, eigenvectors and characteristic polynomial of this matrix in two categories based on whether the Fibonacci-Sylvester-Kac matrix order
Jiang Zhaolin, Zheng Yanpeng, Li Tianzi
doaj   +1 more source

Home - About - Disclaimer - Privacy