Results 71 to 80 of about 272 (159)
Structures of W(2.2) Lie conformal algebra
Open Mathematics, 2016 The purpose of this paper is to study W(2, 2) Lie conformal algebra, which has a free ℂ[∂]-basis {L, M} such that [LλL]=(∂+2λ)L,[LλM]=(∂+2λ)M,[MλM]=0$\begin{equation}[{L_\lambda }L] = (\partial + 2\lambda )L,[{L_\lambda }M] = (\partial + 2\lambda )M,[{M_\
Yuan Lamei, Wu Henan
doaj +1 more source
Several Zagreb indices of power graphs of finite non-abelian groups. [PDF]
Heliyon, 2023 Ismail R +5 more
europepmc +1 more source
Eigenvalues of the Adjacency Tensor on Products of Hypergraphs [PDF]
, 2013 We consider the generalized notions of Cartesian and tensor products on m-uniform hypergraphs. The adjacency tensor is analogous to the adjacency matrix and two different notions of eigenvalues of the adjacency tensor on the products of hypergraphs are ...
Kelly J Pearson, Tan Zhang
core
Hardness Results and Spectral Techniques for Combinatorial Problems on Circulant Graphs
, 1998 We show that computing (and even approximating) MAXIMUM CLIQUE and MINIMUM GRAPH COLORING for circulant graphs is essentially as hard as in the general case.
Ivan Gerace +8 more
core +1 more source
On the spectrum, energy and Laplacian energy of graphs with self-loops. [PDF]
Heliyon, 2023 Preetha P U, Suresh M, Bonyah E.
europepmc +1 more source
Kernels of directed graph Laplacians [PDF]
, 2020 . Let G denote a directed graph with adjacency matrix Q and in-degree matrix D. We consider the Kirchhoff matrix L = D−Q, sometimes referred to as the directed Laplacian. A classical result of Kirchhoff asserts that when G is undirected, the multiplicity
J S Caughman, J J P Veerman
core
On the spectral radius and energy of the degree distance matrix of a connected graph
Open MathematicsLet GG be a simple connected graph on nn vertices. The degree of a vertex v∈V(G)v\in V\left(G), denoted by dv{d}_{v}, is the number of edges incident with vv and the distance between any two vertices u,v∈V(G)u,v\in V\left(G), denoted by duv{d}_{uv}, is ...
Khan Zia Ullah, Hameed Abdul
doaj +1 more source
Spectral Bayesian network theory. [PDF]
Linear Algebra Appl, 2023 Duttweiler L, Thurston SW, Almudevar A.
europepmc +1 more source
Spectral dynamics of guided edge removals and identifying transient amplifiers for death-Birth updating. [PDF]
J Math Biol, 2023 Richter H.
europepmc +1 more source