Spanning trees of 2-complexes from diagram groups over the construction of semigroup presentation of integers using lifting method
For any given semigroup presentation we may obtain the fundamental group. In this paper we will determine spanning trees for the 2-complexes of the fundamental groups obtained from the union of two semigroup presentations with finite different initial generators using lifting method. The spanning tr...
Main Authors: | Gheisari, Yousof, Ahmad, Abd Ghafur, Chaharborj, S. Seddigh, Sapar, Siti Hasana, Mohd Atan, Kamel Ariffin |
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格式: | 文件 |
语言: | English |
出版: |
Institute for Mathematical Research, Universiti Putra Malaysia
2012
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在线阅读: | http://psasir.upm.edu.my/id/eprint/38927/1/38927.pdf |
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