Results 51 to 60 of about 142 (135)

Color-Critical Graphs and Hypergraphs with Few Edges: A Survey [PDF]

open access: yes, 2006
The current situation with bounds on the smallest number of edges in color-critical graphs and hypergraphs is discussed.
openaire   +1 more source

On 2-Colorability Problem for Hypergraphs with P_8-free Incidence Graphs

open access: yesThe International Arab Journal of Information Technology, 2019
A 2-coloring of a hypergraph is a mapping from its vertex set to a set of two colors such that no edge is monochromatic. The hypergraph 2- Coloring Problem is the question whether a given hypergraph is 2-colorable. It is known that deciding the 2-colorability of hypergraphs is NP-complete even for hypergraphs whose hyperedges have size at most 3.
openaire   +1 more source

ASPECTS OF TOPOLOGICAL APPROACHES FOR DATA SCIENCE. [PDF]

open access: yesFound Data Sci, 2022
Grbić J, Wu J, Xia K, Wei GW.
europepmc   +1 more source

What makes a reaction network "chemical"? [PDF]

open access: yesJ Cheminform, 2022
Müller S, Flamm C, Stadler PF.
europepmc   +1 more source

Coloring geometric hyper-graph defined by an arrangement of half-planes [PDF]

open access: yes, 2010
We prove that any finite set of half-planes can be colored by two colors so that every point of the plane, which belongs to at least three half-planes in the set, is covered by half-planes of both colors. This settles a problem of Keszegh.
openaire   +2 more sources

A study of cluster hypergraphs and its properties. [PDF]

open access: yesSoc Netw Anal Min, 2021
Maity A   +4 more
europepmc   +1 more source

Equipartite colorings in graphs and hypergraphs

open access: yesJournal of Combinatorial Theory, Series B, 1977
Claude Berge 0001, F. Sterboul
openaire   +1 more source

Graph-Based Resource Allocation for Integrated Space and Terrestrial Communications. [PDF]

open access: yesSensors (Basel), 2022
Ivanov A   +4 more
europepmc   +1 more source

Perfect sampling from spatial mixing. [PDF]

open access: yesRandom Struct Algorithms, 2022
Feng W, Guo H, Yin Y.
europepmc   +1 more source

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