East Asian mathematical journal
- Volume 19 Issue 1
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- Pages.113-120
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- 2003
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- 1226-6973(pISSN)
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- 2287-2833(eISSN)
[ ${\pi}_2$ ] UNDER TIETZE TRANSFORMATIONS
- Baik, Young-Gheel (Division of Mathematical Sciences Pukyong National University) ;
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Sim, Hyo-Seob
(Division of Mathematical Sciences Pukyong National University)
- Published : 2003.06.30
Abstract
We study how the second homotopy modules of group presentations are transformed by Tietze transformations and discuss some application.