J4 ›› 2009, Vol. 44 ›› Issue (2): 65-72.
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On Ringel duality of dual extension algebras of posets
- 1. Department of Mathematics and Physics, Tianjin University of Technology and Eduation, Tianjin 300222, China；
2. Department of Basic Course, Hangzhou Radio ＆ TV University, Hangzhou 310012, Zhejiang, China
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Received:2008-10-29
Published:2010-04-15
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