Discrete CATS Seminar
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U N I V E R S I T Y O F K E N T U C K Y

DISCRETE
CATS
SEMINAR

WHERE CATS =
COMBINATORICS,
ALGEBRA,
TOPOLOGY
&
STATISTICS!

845 PATTERSON OFFICE TOWER

2008 - 2009

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"Reflecting on Up Down Permutations"

Patricia Muldoon Brown

University of Kentucky

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Monday, November 3, 2008

4:00 pm, 845 Patterson Office Tower

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Abstract:

We will review techniques used by Niven and DeBruijn, among others, for
counting alternating permutations. We discuss generalizations that have
come out of the earlier results.