Title
Generalized fractional and circular total colorings of graphs.
Abstract
Let P and Q be additive and hereditary graph properties, r, s is an element of N, r >= s, and [Z(r)](s) be the set of all s-element subsets of Z(r). An (r, s)-fractional (P, Q)-total coloring of G is an assignment h : V(G) boolean OR E(G) -> [Z(r)](s) such that for each i is an element of Z(r) the following holds: the vertices of G whose color sets contain color i induce a subgraph of G with property P, edges with color sets containing color i induce a subgraph of G with property Q, and the color sets of incident vertices and edges are disjoint. If each vertex and edge of G is colored with a set of s consecutive elements of Z(r) we obtain an (r, s)-circular (P, Q)-total coloring of G. In this paper we present basic results on (r, s)-fractional/circular (P, Q)-total colorings. We introduce the fractional and circular (P, Q)-total chromatic number of a graph and we determine this number for complete graphs and some classes of additive and hereditary properties.
Year
DOI
Venue
2015
10.7151/dmgt.1812
DISCUSSIONES MATHEMATICAE GRAPH THEORY
Keywords
DocType
Volume
graph property,(P,Q)-total coloring,circular coloring,fractional coloring,fractional (P, Q)-total chromatic number,circular (P, Q)-total chromatic number
Journal
35
Issue
ISSN
Citations 
3
1234-3099
1
PageRank 
References 
Authors
0.41
4
5
Name
Order
Citations
PageRank
Arnfried Kemnitz113920.85
Massimiliano Marangio2468.00
Peter Mihók323244.49
Janka Oravcová410.75
Roman Soták512824.06