On even graphs

Date of Publication

1998

Document Type

Master's Thesis

Degree Name

Master of Science in Mathematics

Subject Categories

Mathematics

College

College of Science

Department/Unit

Mathematics and Statistics

Thesis Adviser

Dr. Severino Gervacio

Defense Panel Chair

Dr. Leonor Ruivivar

Defense Panel Member

Dr. Blessilda Raposa
Rigor Ponsones

Abstract/Summary

A nontrivial connected graph G is called even if for each vertex v of G there is a unique vertex v' such that d(v, v') = diam G = d. Special classes of even graphs are defined and compared to each other specifically that of symmetric even graph which has the following property: d(u, v) + d(u, v') = d for all u, v e V(G). Several properties of even and symmetric even graphs are included. For an even graph of order n and diameter d other than an even cycle, it is shown that n is equal to or greater than 3d-1. Moreover, for a symmetric even graph order n and diameter d, it is shown that n is equal to or greater than 4d-4.

Abstract Format

html

Language

English

Format

Print

Accession Number

TG02834

Shelf Location

Archives, The Learning Commons, 12F Henry Sy Sr. Hall

Physical Description

62 leaves

Keywords

Graph theory; Combinatorial analysis; Mathematics

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