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Open Access

Pure Mathematics and Applications

Volume 26 (2017): Issue 1 (June 2017)

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4 Articles
Open Access | Jul 14, 2017
On permutations avoiding 1324, 2143, and another 4-letter pattern
 and   
Open Access | Jul 14, 2017
On permutations avoiding 1243, 2134, and another 4-letter pattern
 and   
Open Access | Jul 14, 2017
Improvements to exact Boltzmann sampling using probabilistic divide-and-conquer and the recursive method
  
Open Access | Jul 14, 2017
A characterization of regular, intra-regular, left quasi-regular and semisimple hypersemigroups in terms of fuzzy sets
  

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