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Horizons in Combinatorics/16th Shanks Lecture Series
May 21-24, 2001
Vanderbilt University
Nashville, TN, USA

Organizers
Paul Edelman, Mark Ellingham, Jonathan Farley, Mike Plummer, Jerry Spinrad

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Counting Permutations by their Rigid Patterns
by
Amy Myers
Department of Mathematics, University of Pennsylvania

In how many n-permutations does a given pattern occur exactly m times? In most cases, the answer is unknown. When we search for rigid patterns, on the other hand, we obtain an exact formula for the solution, in all cases considered.

Date received: May 10, 2001

Copyright © 2001 by the author(s). The author(s) of this document and the organizers of the conference have granted their consent to include this abstract in Atlas Mathematical Conference Abstracts. Document # cags-81.