Results 31 to 40 of about 255,219 (274)

S-packing coloring of cubic Halin graphs

open access: hybridDiscrete Applied Mathematics
Batoul Tarhini, O. Togni
semanticscholar   +2 more sources

Graphs that are Critical for the Packing Chromatic Number

open access: yesDiscussiones Mathematicae Graph Theory, 2022
Given a graph G, a coloring c : V (G) → {1, …, k} such that c(u) = c(v) = i implies that vertices u and v are at distance greater than i, is called a packing coloring of G.
Brešar Boštjan, Ferme Jasmina
doaj   +1 more source

On the Descriptive Complexity of Color Coding

open access: yesAlgorithms, 2021
Color coding is an algorithmic technique used in parameterized complexity theory to detect “small” structures inside graphs. The idea is to derandomize algorithms that first randomly color a graph and then search for an easily-detectable, small color ...
Max Bannach, Till Tantau
doaj   +1 more source

Be3Ru: Polar Multiatomic Bonding in the Closest Packing of Atoms

open access: yesChemistryOpen, 2022
The new phase Be3Ru crystallizes with TiCu3‐type structure (space group Pmmn (59), a=3.7062(1) Å, b=4.5353(1) Å, c=4.4170(1) Å), a coloring variant of the hexagonal closest packing (hcp) of spheres.
Laura Agnarelli   +7 more
doaj   +1 more source

Compressed Subsequence Matching and Packed Tree Coloring [PDF]

open access: yesAlgorithmica, 2014
We present a new algorithm for subsequence matching in grammar compressed strings. Given a grammar of size $n$ compressing a string of size $N$ and a pattern string of size $m$ over an alphabet of size $ $, our algorithm uses $O(n+\frac{n }{w})$ space and $O(n+\frac{n }{w}+m\log N\log w\cdot occ)$ or $O(n+\frac{n }{w}\log w+m\log N\cdot occ)$ time.
Bille, Philip   +2 more
openaire   +5 more sources

Online Colored Bin Packing [PDF]

open access: yes, 2015
Comment: Added lower bound of 2.5 for at least three colors, expanded some ...
Böhm, Martin   +2 more
openaire   +3 more sources

Online Interval Coloring with Packing Constraints [PDF]

open access: yesTheoretical Computer Science, 2005
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Epstein, Leah, Levy, Meital
openaire   +2 more sources

On Colorful Bin Packing Games [PDF]

open access: yes, 2018
We consider colorful bin packing games in which selfish players control a set of items which are to be packed into a minimum number of unit capacity bins. Each item has one of $m\geq 2$ colors and cannot be packed next to an item of the same color. All bins have the same unitary cost which is shared among the items it contains, so that players are ...
Vittorio Bilò   +3 more
openaire   +5 more sources

S-Packing Colorings of Cubic Graphs [PDF]

open access: yes, 2016
Given a non-decreasing sequence $S=(s\_1,s\_2, \ldots, s\_k)$ of positive integers, an {\em $S$-packing coloring} of a graph $G$ is a mapping $c$ from $V(G)$ to $\{s\_1,s\_2, \ldots, s\_k\}$ such that any two vertices with color $s\_i$ are at mutual ...
Gastineau, Nicolas, Togni, Olivier
core   +2 more sources

Packing Coloring of Undirected and Oriented Generalized Theta Graphs

open access: green, 2016
The packing chromatic number $\chi$ $\rho$ (G) of an undirected (resp. oriented) graph G is the smallest integer k such that its set of vertices V (G) can be partitioned into k disjoint subsets V 1,..., V k, in such a way that every two distinct vertices
Daouya Laïche   +2 more
openalex   +4 more sources

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