Intitulé:
Permutation Patterns du groupe Séminaire du LaBRI
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Date | 2012-09-13 13:30-14:30 |
Titre | Permutation Patterns |
Résumé | Patterns 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. |
Lieu | Amphi du LaBRI |
Orateur | Michael Albert |
Url | University of Otago (New Zealand) |
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