15th meeting: April 22nd, 1995

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: Ann Trenk (Wellesley College), Bounded bitolerance digraphs: a directed graph generalization of interval graphs.
: Susannah Fishel (Southern Conn. State Univ.), Differences of q-binomial coefficients.
: Jennifer Zito (Supercomputing Research Center), Abelian Cayley graphs and translational tiles.
: Tom Sundquist (Dartmouth College), A Robinson-Schensted algorithm for free posets.

Mon Oct 2 12:55:42 EDT 1995