OFFSET
1,2
COMMENTS
Lusztig's piecewise-linear function is of interest because it appears to be related to a description of the canonical basis of the quantized enveloping algebra U^+(sl_{n+1}).
REFERENCES
J. W. Cockerton, "Canonical bases and piecewise-linear combinatorics", Ph.D., Warwick, 1995
CROSSREFS
KEYWORD
hard,nonn,nice
AUTHOR
Richard M. Green, Oct 04 2000
STATUS
approved