[PDF] Top 20 Classes of maximal length reduced words in Coxeter groups
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Classes of maximal length reduced words in Coxeter groups
... Commutation Classes of Reduced Words 1.1 Finite Coxeter Groups and Root Systems We begin with a brief overview of basic Coxeter group theory, following [Humphreys].. No originality is cl[r] ... See full document
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A note on maximal length elements in conjugacy classes of finite coxeter groups
... Conjugacy classes of finite Coxeter groups have long been of interest, the cor- respondence between partitions and the conjugacy classes for the symmetric groups having been observed by ... See full document
10
Coxeter Groups as Beauville Groups
... [finite] groups admit Beauville structures?” as well as the more difficult question of which Beauville groups are strongly real Beauville ...several classes of finite groups including abelian ... See full document
17
X posets of certain Coxeter groups
... For right cosets Xg and Xh of X we write Xg ∼ Xh whenever Xgt = Xh for some t ∈ Ref( W ) and Xg and Xh have the same Coxeter length. Let ≈ be the equivalence relation generated by ∼ on the set of right ... See full document
20
Involution products in Coxeter groups
... This is true in the case of Coxeter groups. For example, Richardson [7] gives an e¤ective algorithm for parameterizing the involution conjugacy classes of a Coxeter group. In something of the ... See full document
11
The descent algebras of Coxeter groups
... It follows tliat zoj = 0 for all j, and tliat amongst the entries ZiQ,yn,zn , ... , yir, Zir, tliere will be only one non-zero entry equal to pi. The set of templates Q (if any) that satisfy this fall into a number of ... See full document
114
Involution statistics in finite coxeter groups
... conjugacy classes are parameterised by signed cycle type, so that involutions are conjugate if and only if they have the same number, m, of transpositions (all of which must be positive), and the same number, e, ... See full document
23
Toric Heaps, Cyclic Reducibility, and Conjugacy in Coxeter Groups
... in Coxeter groups, and show how this relates to ordinary problems in reducibility and ...cyclic words, cyclic commutativity classes, as well as cyclically and torically reduced ... See full document
34
Maximal length elements of excess zero in Finite Coxeter Groups
... minimal length in W -conjugacy classes, which gives as a byproduct (in Corollaries ...a Coxeter group W , we have that Φ is the disjoint union of the set of positive roots Φ + and the set of negative ... See full document
18
Maximal length elements of excess zero in finite Coxeter Groups
... Weyl groups, we have checked all conjugacy classes of these groups for n up to 10, and in each case every element of maximal length in a conjugacy class has excess ...of maximal ... See full document
17
Quasiparabolic Subgroups of Coxeter Groups and Their Hecke Algebra Module Structures
... Coxeter groups. We manage to solve the problem for all finite classical Coxeter groups, and the quasiparabolic subgroups are listed in Theorem 16 of Chapter ... See full document
87
Affine extensions of non-crystallographic Coxeter groups induced by projection
... crystallographic groups by two nodes and show that these do not induce any further affine ...non-crystallographic Coxeter groups from a recent paper and compare the induced extensions with the ... See full document
35
PRL RR 6 pdf
... We briefly describe the maximal period linear recurring sequences, a previously known family of words over f0; 1g; such words exist for every length of the form l = 2n 1 and their autodi[r] ... See full document
36
Correlation between morphometry of the suprascapular notch and anthropometric measurements of the scapula
... On the other hand, taking into consideration the shape of the SSNs, Ticker et al. [34], in 1998, divid- ed them into two types, namely a U-type (U-shaped SSN 77%) and a V-type (V-shaped SSN 23%). The degree of ... See full document
7
A note on commuting Involution Graphs in Affine Coxeter Groups
... underlying class ˆ X in W . To determine the Coxeter graph corresponding to ˆ X, note that if I ⊆ W , then ˆ X has the same graph as X. If x = (a, u) is a product of k reflections in ˜ W , then a must be a product ... See full document
10
Affine Toda field theories related to Coxeter groups of noncrystallographic type
... groups. In section 3 we apply these notions to affine Toda field theory and construct in particular their classical mass spectra and fusing structures. In addition we start the de- velopment of a quantum field ... See full document
29
On some aspects of finite soluble groups
... are pairwise permutable, they all have interesting covering/avoidance properties and the given Sylow system reduces into each of them. As an example at the end of Chapter 4 shows, can be as large as the preceding ... See full document
106
How many elements of a Coxeter group have a unique reduced expression?
... In this section we first give in Theorem 2.1 necessary conditions for U (Γ) to be finite. These will turn out also to be sufficient conditions. For each case not eliminated by Theorem 2.1 we then find an expression for U ... See full document
8
Countably recognizable classes of groups with restricted conjugacy classes
... infinite groups. It is for instance obvious that finitely generated F C-groups are finite over the centre, while an arbitrary F C -group G is residually finite over Z ... See full document
12
Classes of generalised nilpotent groups
... S1nce every element has tinite order, as elements ot GLm,pn, then matrices of this torm give a subsroup c4 GLm,pn... The order of this subcroup 1s eas1ly seen.[r] ... See full document
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