Results 191 to 200 of about 246,733 (219)

Divergent disruption of brain networks following total and chronic sleep loss: a longitudinal fMRI study. [PDF]

open access: yesSleep
Scislewska P   +5 more
europepmc   +1 more source

ON DISTANCE-$ I $-GRAPHS OF DISTANCE-REGULAR GRAPHS

open access: yesON DISTANCE-$ I $-GRAPHS OF DISTANCE-REGULAR GRAPHS
openaire  

DISTANCE VISIBILITY GRAPHS

International Journal of Computational Geometry & Applications, 1991
A new necessary condition for a graph G to be the visibility graph of a simple polygon is given: each 3-connected component of G must have a vertex ordering in which every vertex is adjacent to a previous 3-clique. This property is used to give an algorithm for the distance visibility graph problem: given an edge-weighted graph G, is it the visibility
Collette R. Coullard, Anna Lubiw
openaire   +1 more source

Distances on a Graph

2020
In this article, our ultimate goal is to transform a graph’s adjacency matrix into a distance matrix. Because cluster density is not observable prior to the actual clustering, our goal is to find a distance whose pairwise minimization will lead to densely connected clusters.
Pierre Miasnikof   +4 more
openaire   +1 more source

Distance Graphs on the Integers

Combinatorics, Probability and Computing, 2005
We consider several extremal problems concerning representations of graphs as distance graphs on the integers. Given a graph $G=(V,E)$, we wish to find an injective function $\phi:V\to{\mathbb Z}^+=\{1,2,\dots\}$ and a set ${\mathcal D}\subset{\mathbb Z}^+$ such that $\{u,v\}\in E$ if and only if $|\phi(u)-\phi(v)|\in{\mathcal D}$. Let $s(n)$ be the
Mike Ferrara   +2 more
openaire   +2 more sources

Two Laplacians for the distance matrix of a graph

Linear Algebra and Its Applications, 2013
Mustapha Aouchiche, Pierre Hansen
exaly  

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