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Study on some symmetric properties of hypercube graphs through a proper edge coloring : Proper edge coloring을 통한 hypercube graph의 대칭성 연구
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- Authors
- Advisor
- 김서령
- Major
- 사범대학 수학교육과
- Issue Date
- 2014-02
- Publisher
- 서울대학교 대학원
- Keywords
- Hypercube graph ; Vertex labeling ; Proper edge coloring ; Automorphism group generated by a rotation ; Decomposition of an adjacency matrix
- Description
- 학위논문 (석사)-- 서울대학교 대학원 : 수학교육과, 2014. 2. 김서령.
- Abstract
- The hypercube graph is a well-known graph with many known properties and applications in many fields of study. In this thesis, we give a specific vertex labeling and a specific proper n-edge-coloring of the n-dimensional hypercube graph in a suitable way so that, for a prime integer n, we decompose its adjacency matrix A to satisfy A = \sum_{l=0}^{n-1} (P^l)^{-1}BP^l for a block diagonal submatrix B of A and a permutation matrix P of order 2^n. As a matter of fact, for a prime integer n, they give a cycle notation for each element of the subgroup of automorphism group generated by a rotation by 2\pi/n of the hypercube graph. In addition, based on the above results, we could embed the hypercube graph in a 3-dimensional sphere so that the automorphism group acts on the vertex set of an embedment as a group generated by a rotation of 2\pi/n radian.
- Language
- English
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