Results 41 to 50 of about 7,886 (170)

SIS epidemic propagation on hypergraphs [PDF]

open access: yes, 2015
Mathematical modeling of epidemic propagation on networks is extended to hypergraphs in order to account for both the community structure and the nonlinear dependence of the infection pressure on the number of infected neighbours.
Bodó, Ágnes   +2 more
core   +2 more sources

Approximate counting of regular hypergraphs [PDF]

open access: yesInformation Processing Letters, 2013
In this paper we asymptotically count d-regular k-uniform hypergraphs on n vertices, provided k is fixed and d=d(n)=o(n1/2). In doing so, we extend to hypergraphs a switching technique of McKay and Wormald.
Dudek, Andrzej   +3 more
openaire   +2 more sources

Hypergraph regularity and random sampling

open access: yesRandom Structures & Algorithms, 2023
AbstractSuppose that a ‐uniform hypergraph satisfies a certain regularity instance (that is, there is a partition of given by the hypergraph regularity lemma into a bounded number of quasirandom subhypergraphs of prescribed densities). We prove that with high probability a large enough uniform random sample of the vertex set of also admits the same ...
Joos, Felix   +3 more
openaire   +3 more sources

Hypergraph limits: A regularity approach [PDF]

open access: yesRandom Structures & Algorithms, 2014
A sequence of $k$-uniform hypergraphs $H_1, H_2, \dots$ is convergent if the sequence of homomorphism densities $t(F, H_1), t(F, H_2), \dots$ converges for every $k$-uniform hypergraph $F$. For graphs, Lov sz and Szegedy showed that every convergent sequence has a limit in the form of a symmetric measurable function $W \colon [0,1]^2 \to [0,1]$.
openaire   +4 more sources

On the spectrum of hypergraphs

open access: yes, 2016
Here we study the spectral properties of an underlying weighted graph of a non-uniform hypergraph by introducing different connectivity matrices, such as adjacency, Laplacian and normalized Laplacian matrices. We show that different structural properties
Chris Ritchie (1952305)   +4 more
core   +3 more sources

3D-Via Driven Partitioning for 3D VLSI Integrated Circuits

open access: yesCLEI Electronic Journal, 2010
A 3D circuit is the stacking of regular 2D circuits. The advances on the fabrication and packaging technologies allowed interconnecting stacked 2D circuits by using 3D vias.
Sandro Sawicki   +3 more
doaj   +1 more source

Embeddings and Ramsey numbers of sparse k-uniform hypergraphs

open access: yes, 2008
Chvatal, Roedl, Szemeredi and Trotter proved that the Ramsey numbers of graphs of bounded maximum degree are linear in their order. In previous work, we proved the same result for 3-uniform hypergraphs. Here we extend this result to k-uniform hypergraphs,
Cooley, Oliver   +3 more
core   +2 more sources

An Algebraic Hypergraph Regularity Lemma

open access: yes, 2022
54 pages.
Chevalier, Alexis, Levi, Elad
openaire   +2 more sources

On a generalisation of Mantel's theorem to uniformly dense hypergraphs

open access: yes, 2017
For a $k$-uniform hypergraph $F$ let $\textrm{ex}(n,F)$ be the maximum number of edges of a $k$-uniform $n$-vertex hypergraph $H$ which contains no copy of $F$.
Reiher, Christian   +2 more
core   +1 more source

Constructing regular self-complementary uniform hypergraphs [PDF]

open access: yesJournal of Combinatorial Designs, 2011
Summary: We examine the possible orders of t-subset-regular self-complementary \(k\)-uniform hypergraphs, which form examples of large sets of two isomorphic \(t\)-designs. We reformulate Khosrovshahi and Tayfeh -- Rezaie's necessary conditions on the order of these structures in terms of the binary representation of the rank \(k\), and these ...
openaire   +2 more sources

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