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Generating function for cardinality of Bruhat intervals

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#representation-theory #coxeter-groups #bruhat-tits-theory
88
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Classification of Finite Coxeter Groups Bjorner

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#group-theory #coxeter-groups
235
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Reflection Group of Type $C_n$

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#group-theory #reflection #root-systems #coxeter-groups #reflection-group
57
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Does the Coxeter group $C(D_n)$ have any "proper reflection quotients" except $C(A_{n-1})$?

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#abstract-algebra #group-theory #permutations #finite-groups #coxeter-groups
155
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Reflection Group of Type $D_n$

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#group-theory #reflection #root-systems #coxeter-groups #reflection-group
60
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Angles of the Fundamental Alcove (Chamber?)

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#group-theory #reflection #root-systems #coxeter-groups #reflection-group
86
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Number of inversions in $S_n$

Published on
#combinatorics #symmetric-groups #coxeter-groups
122
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120 cell generated from quaternions

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#finite-groups #quaternions #polytopes #coxeter-groups #reflection-group
65
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When does multiplying by an involution increase the Bruhat Order in the Symmetric Group?

Published on
#combinatorics #group-theory #permutations #coxeter-groups #algebraic-combinatorics
63
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Why a retraction from a building to an apartment is not isometric?

Published on
#group-theory #metric-geometry #coxeter-groups #buildings #affine-geometry
421
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What is the Coxeter plane?

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#abstract-algebra #representation-theory #coxeter-groups
63
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Davis Regular Tessellations of Spheres and Straight Line Coxeter Groups

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#group-theory #geometric-group-theory #coxeter-groups
61
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Is there an algorithm to check that a subgroup of a CAT$(0)$ group is *not* quasiconvex?

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#group-theory #algorithms #finitely-generated #geometric-group-theory #coxeter-groups
49
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Visual guides request or dictionary for understanding Coxeter-Dynkin diagram

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#polytopes #coxeter-groups #dynkin-diagrams
89
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Signed permutations and $ SO(n) $

Published on
#finite-groups #lie-groups #coxeter-groups

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