Results 1 to 10 of about 1,095,825 (329)

Random walks on graphs [PDF]

open access: greenStochastic Processes and their Applications, 1974
AbstractIn this paper the following Markov chains are considered: the state space is the set of vertices of a connected graph, and for each vertex the transition is always to an adjacent vertex, such that each of the adjacent vertices has the same probability.
F. Göbel, A. A. Jagers
openalex   +4 more sources

Directed network Laplacians and random graph models [PDF]

open access: yesRoyal Society Open Science, 2021
We consider spectral methods that uncover hidden structures in directed networks. We establish and exploit connections between node reordering via (a) minimizing an objective function and (b) maximizing the likelihood of a random graph model. We focus on
Xue Gong   +2 more
doaj   +2 more sources

Subgraphs of Random Graphs [PDF]

open access: bronzeTransactions of the American Mathematical Society, 1985
Let Δ ⊆ [ ω ] 2 \Delta \subseteq {[\omega ]^2} be an undirected graph on ω \omega , and let u ∈ [ 0 , 1 ] u \in [0,\,1] . Following P. Erdös and A.
D. H. Fremlin, Michel Talagrand
openalex   +2 more sources

Broadcasting in random graphs

open access: bronzeDiscrete Applied Mathematics, 1994
AbstractWe do a probabilistic analysis of the problem of distributing a single piece of information to the vertices of a graph G. Assuming that the input graph G is Gn,p, we prove an O(ln n/n) upper bound on the edge density needed so that with high probability the information can be broadcast in ⌈log2 n⌉ rounds.
Alan Frieze, Michael Molloy
  +6 more sources

Random Graphs [PDF]

open access: bronzeThe Annals of Mathematical Statistics, 1959
E. N. Gilbert
openalex   +3 more sources

Degree distribution in random planar graphs [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2008
We prove that for each $k \geq 0$, the probability that a root vertex in a random planar graph has degree $k$ tends to a computable constant $d_k$, and moreover that $\sum_k d_k =1$. The proof uses the tools developed by Gimènez and Noy in their solution
Michael Drmota, Omer Gimenez, Marc Noy
doaj   +1 more source

The Spectral Distribution of Random Mixed Graphs

open access: yesAxioms, 2022
In this work, we propose a random mixed graph model Gn(p(n),q(n)) that incorporates both the classical Erdős-Rényi’s random graph model and the random oriented graph model.
Yue Guan   +7 more
doaj   +1 more source

The Random Plots Graph Generation Model for Studying Systems with Unknown Connection Structures

open access: yesEntropy, 2022
We consider the problem of modeling complex systems where little or nothing is known about the structure of the connections between the elements. In particular, when such systems are to be modeled by graphs, it is unclear what vertex degree distributions
Evgeny Ivanko, Mikhail Chernoskutov
doaj   +1 more source

Random walks on the random graph [PDF]

open access: yesThe Annals of Probability, 2018
We study random walks on the giant component of the Erdős–Rényi random graph G(n,p) where p=λ/n for λ>1 fixed. The mixing time from a worst starting point was shown by Fountoulakis and Reed, and independently by Benjamini, Kozma and Wormald, to have order log2n.
Berestycki, Nathanaël   +3 more
openaire   +6 more sources

Limit Theorem for Spectra of Laplace Matrix of Random Graphs

open access: yesMathematics, 2023
We consider the limit of the empirical spectral distribution of Laplace matrices of generalized random graphs. Applying the Stieltjes transform method, we prove under general conditions that the limit spectral distribution of Laplace matrices converges ...
Alexander N. Tikhomirov
doaj   +1 more source

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