Even Signed Permutations Avoiding 2-Letter Signed Patterns
Received:December 27, 2007  Revised:February 28, 2008
Key Words: forbidden pattern   signed permutation   Catalan number.  
Fund Project:the National Natural Science Foundation of China (No.10801020).
Author NameAffiliation
MANSOUR Toufik Department of Mathematics, Haifa University, Haifa 31905, Israel 
SUN Yi Dong Department of Mathematics, Dalian Maritime University, Liaoning 116026, China 
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Abstract:
      
Citation:
DOI:10.3770/j.issn:1000-341X.2009.05.006
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