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DM
1999
52views more  DM 1999»
13 years 5 months ago
A simple bijection for the regions of the Shi arrangement of hyperplanes
Christos A. Athanasiadis, Svante Linusson
JCT
2011
67views more  JCT 2011»
13 years 7 days ago
Inversion arrangements and Bruhat intervals
Let W be a finite reflection group. For a given w ∈ W, the following assertion may or may not be satisfied: (∗) The principal Bruhat order ideal of w contains as many elemen...
Axel Hultman