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- Graph theory (4)
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Articles 1 - 6 of 6
Full-Text Articles in Physical Sciences and Mathematics
Irregular Domination In Graphs, Caryn Mays
Irregular Domination In Graphs, Caryn Mays
Dissertations
Domination in graphs has been a popular area of study due in large degree to its applications to modern society as well as the mathematical beauty of the topic. While this area evidently began with the work of Claude Berge in 1958 and Oystein Ore in 1962, domination did not become an active area of research until 1977 with the appearance of a survey paper by Ernest Cockayne and Stephen Hedetniemi. Since then, a large number of variations of domination have surfaced and provided numerous applications to different areas of science and real-life problems. Among these variations are domination parameters …
Zonality In Graphs, Andrew Bowling
Zonality In Graphs, Andrew Bowling
Dissertations
Graph labeling and coloring are among the most popular areas of graph theory due to both the mathematical beauty of these subjects as well as their fascinating applications. While the topic of labeling vertices and edges of graphs has existed for over a century, it was not until 1966 when Alexander Rosa introduced a labeling, later called a graceful labeling, that brought the area of graph labeling to the forefront in graph theory. The subject of graph colorings, on the other hand, goes back to 1852 when the young British mathematician Francis Guthrie observed that the countries in a map …
From Multi-Prime To Subset Labelings Of Graphs, Bethel I. Mcgrew
From Multi-Prime To Subset Labelings Of Graphs, Bethel I. Mcgrew
Dissertations
A graph labeling is an assignment of labels (elements of some set) to the vertices or edges (or both) of a graph G. If only the vertices of G are labeled, then the resulting graph is a vertex-labeled graph. If only the edges are labeled, the resulting graph is an edge-labeled graph. The concept was first introduced in the 19th century when Arthur Cayley established Cayley’s Tree Formula, which proved that there are nn-2 distinct labeled trees of order n. Since then, it has grown into a popular research area.
In this study, we first review several types …
Extremal Problems On Induced Graph Colorings, James Hallas
Extremal Problems On Induced Graph Colorings, James Hallas
Dissertations
Graph coloring is one of the most popular areas of graph theory, no doubt due to its many fascinating problems and applications to modern society, as well as the sheer mathematical beauty of the subject. As far back as 1880, in an attempt to solve the famous Four Color Problem, there have been numerous examples of certain types of graph colorings that have generated other graph colorings of interest. These types of colorings only gained momentum a century later, however, when in the 1980s, edge colorings were studied that led to vertex colorings of various types, led by the introduction …
Chromatic Connectivity Of Graphs, Elliot Laforge
Generalized Distance In Graphs, Garry L. Johns