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On finite decomposition complexity of Thompson's group F
Thompson's group F Finite decomposition complexity Word-metric Exact metric spaces Reduced forest diagram
2011/10/20
Finite decomposition complexity m(FDC) is a large scale property of a metricspace. It generalizes finite asymptoticdimension and applies to a wide class of groups. To make the property quantitative, a...
Triangular decomposition of right coideal subalgebras
Hopf algebra coideal subalgebra PBW-basis
2011/2/25
Let g be a Kac-Moody algebra. We show that every ho-mogeneous right coideal subalgebra U of the multiparameter version of the quantized universal enveloping algebra Uq(g), qm 6= 1 containing all group...