Results 181 to 190 of about 1,981 (215)

On the capacity of uniform hypergraphs [PDF]

open access: yesIEEE Transactions on Information Theory, 1990
The capacity of uniform hypergraphs can be defined as a natural generalization of the Shannon capacity of graphs. Corresponding to every uniform hypergraph there is a discrete memoryless channel in which the zero error capacity, in the case of the smallest list size for which it is positive, equals the capacity of the hypergraph, and vice versa.
K Marton, J Körner
exaly   +4 more sources

Tensor Entropy for Uniform Hypergraphs [PDF]

open access: yesIEEE Transactions on Network Science and Engineering, 2020
In this paper, we develop the notion of entropy for uniform hypergraphs via tensor theory. We employ the probability distribution of the generalized singular values, calculated from the higher-order singular value decomposition of the Laplacian tensors, to fit into the Shannon entropy formula.
, Can Chen
exaly   +3 more sources
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Intersection Multigraphs of Uniform Hypergraphs

Graphs and Combinatorics, 1998
A hypergraph \(H=(V,\{X_i \mid i\in I\})\) is \(k\)-uniform if all hyperedges \(X_i\) have the same cardinality \(k\); it is \(k\)-conformal if there is some graph \(G\) such that \(H\) is isomorphic to the hypergraph of all cliques with \(k\) vertices of \(G\).
Erich Prisner, Prisner Erich
exaly   +3 more sources

Non-uniform hypergraphs

2020
Summary: Non-uniform hypergraphs are a generalization of hypergraphs in which not all edges need to have the same cardinality. It allows them to support a more complex data structure. In this paper, we extend some results for non-uniform hypergraphs and generalize the spectral results for uniform hypergraphs to non-uniform hypergraphs.
SHIRDEL, G.H.   +2 more
openaire   +2 more sources

The Uniformity Lemma for hypergraphs

Graphs and Combinatorics, 1992
This is an extension of Szemerédi's theorem called the Uniformity Lemma for Graphs (see \textit{E. Szemerédi} [Problèmes combinatoires et théorie des graphes, Orsay 1976, Colloq. int. CNRS No. 260, 399-401 (1978; Zbl 0413.05055)]) to \(r\)-uniform hypergraphs. Two applications of the result are announced: proof of a conjecture of Erdős concerning Turán-
Peter Frankl, Vojtech Rödl
openaire   +2 more sources

The Laplacian of a uniform hypergraph

Journal of Combinatorial Optimization, 2013
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Sheng-Long Hu, Liqun Qi 0001
openaire   +1 more source

Transversal numbers of uniform hypergraphs

open access: yesGraphs and Combinatorics, 1990
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Noga Alon, Alon Noga
exaly   +3 more sources

On the Turán Density of Uniform Hypergraphs

Acta Mathematicae Applicatae Sinica, English Series, 2023
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Chang, An, Gao, Guo-rong
openaire   +2 more sources

Domination game on uniform hypergraphs [PDF]

open access: yesDiscrete Applied Mathematics, 2019
In this paper we introduce and study the domination game on hypergraphs. This is played on a hypergraph $\mathcal{H}$ by two players, namely Dominator and Staller, who alternately select vertices such that each selected vertex enlarges the set of vertices dominated so far. The game is over if all vertices of $\mathcal{H}$ are dominated.
Csilla Bujtas   +2 more
exaly   +5 more sources

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