***** KAIST Discete Math Semianr *****
DATE: July 3, Thursday
TIME: 4PM-5PM
PLACE: E6-1, ROOM 1409
SPEAKER: Ae Ja Yee(이애자), Pennsylvania State University
TITLE: Combinatorics of generalized q-Euler numbers
The Euler number E_n counts the number of alternating permutations on the
set [n]. It is well known that its exponential generating function equals
Tan z + Sec z. For this reason, E_2n and E_2n+1 are called secant numbers
and tangent numbers, respectively. Certain polynomials arising in series
expansions for zeros of generalized Rogers-Ramanujan functions provide a
q-analog of the tangent numbers, which is part of a wider class of
polynomials with similar combinatorial interpretaions. In this talk, we
will discuss various q-Euler numbers. This is joint work with Tim Huber
from Iowa State University.
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