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%I #3 Mar 31 2012 23:01:18
%S 1,2,10,144,6608
%N Number of regions of linearity for Lusztig's piecewise-linear function in type A_n.
%C 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}).
%D J. W. Cockerton, "Canonical bases and piecewise-linear combinatorics", Ph.D., Warwick, 1995
%K hard,nonn,nice
%O 1,2
%A _Richard M. Green_, Oct 04 2000
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