Title: Multisegment Duality, Canonical Bases and Total Positivity

We illustrate recent interactions between algebraic combinatorics, representation theory and algebraic geometry with a piecewise-linear involution called the multisegment duality.

1991 Mathematics Subject Classification: 5, 14, 20

Keywords and Phrases: multisegments, Young tableaux, polyhedral combinatorics, quivers, canonical bases, total positivity

Full text: dvi.gz 19 k, dvi 43 k, ps.gz 69 k.

Home Page of DOCUMENTA MATHEMATICA