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Factorization Index for Completely Positive Graphs |
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| Authors: | |
| Institution: | (1) Department of Mathematics, Shanghai Jiao Tong University, 1954 Huashan road, Shanghai 200030, P. R. China E-mail: xiaodong@sjtu.edu.cn, CN;(2) Department of Mathematics, University of Science and Technology of China, Anhui 230026, P. R. China E-mail: lijs@ustc.edu.cn, CN |
| Abstract: | In this paper, we prove that the set of all factorization indices of a completely positive graph has no gaps. In other words, we give an affirmative answer to a question raised by N. Kogan and A. Berman 8] in the case of completely positive graphs. Received December 9, 1997, Accepted May 16, 2002 |
| Keywords: | Completely positive graph Factorization index Gap |
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