Evènement pour le groupe Séminaire du LaBRI

Date 2012-09-13  13:30-14:30
TitrePermutation Patterns 
RésuméPatterns in permutations are subsequences considered only according to their relative order. For instance 231 occurs as a pattern in 14352 in two ways: as 452 and as 352. The study of collections of permutations defined by forbidding certain patterns exposes a great deal of structure, and interesting enumerative problems. I will introduce this field of study in a "hands on" way, making use of a software suite called PermLab which facilitates the graphical and numerical exploration of such collections. 
LieuAmphi du LaBRI 
OrateurMichael Albert 
UrlUniversity of Otago (New Zealand) 

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