On star edge colorings of bipartite and subcubic graphs

On list edge-colorings of subcubic graphs

In this paper we study list edge-colorings of graphs with small maximal degree. In particular, we show that simple subcubic graphs are '10/3-edge choosable'. The precise meaning of this statement is that no matter how we prescribe arbitrary lists of three colors on edges of a subgraph H of G such that A(H)~< 2, and prescribe lists of four colors on E(G)\E(H), the subcubic graph G will have an e...

Edge Colorings in Bipartite Graphs

Linear colorings of subcubic graphs

A linear coloring of a graph is a proper coloring of the vertices of the graph so that each pair of color classes induce a union of disjoint paths. In this paper, we prove that for every connected graph with maximum degree at most three and every assignment of lists of size four to the vertices of the graph, there exists a linear coloring such that the color of each vertex belongs to the list a...

On interval edge-colorings of bipartite graphs of small order

An edge-coloring of a graph G with colors 1, . . . , t is an interval t-coloring if all colors are used, and the colors of edges incident to each vertex of G are distinct and form an interval of integers. A graph G is interval colorable if it has an interval t-coloring for some positive integer t. The problem of deciding whether a bipartite graph is interval colorable is NP-complete. The smalle...

On one-sided interval edge colorings of biregular bipartite graphs

A proper edge t-coloring of a graphG is a coloring of edges of G with colors 1, 2, . . . , t such that all colors are used, and no two adjacent edges receive the same color. The set of colors of edges incident with a vertex x is called a spectrum of x. Any nonempty subset of consecutive integers is called an interval. A proper edge t-coloring of a graph G is interval in the vertex x if the spec...