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E-book
Author Reiner, Victor

Title Spectra of symmetrized shuffling operators / Reiner, Victor
Published [Place of publication not identified] : [publisher not identified], 2014

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Description 1 online resource
Series Memoirs of the American Mathematical Society ; v. 228
Memoirs of the American Mathematical Society.
Contents ""Contents""; ""Chapter I. Introduction""; ""1. The original family of matrices""; ""2. Using the -action""; ""3. An eigenvalue integrality principle""; ""4. A broader context, with more surprises""; ""5. Outline of the paper""; ""Chapter II. Defining the operators""; ""1. Hyperplane arrangements and definition of _{ }""; ""2. Semidefiniteness""; ""3. Equivariant setting""; ""4. â??â??-action and inversions versus noninversions""; ""5. Real reflection groups""; ""6. The case where is a single -orbit""; ""7. A reduction to isotypic components""
""8. Perron-Frobenius and primitivity""""Chapter III. The case where \OOO contains only hyperplanes""; ""1. Review of twisted Gelfand pairs""; ""2. A new twisted Gelfand pair""; ""3. Two proofs of Theorem\nonbreakingspace I.4.1""; ""4. The eigenvalues and eigenspace representations""; ""5. Relation to linear ordering polytopes""; ""Chapter IV. Equivariant theory of \BHR random walks""; ""1. The face semigroup""; ""2. The case relevant for _{ }""; ""3. Some non-equivariant theory""; ""4. Equivariant structure of eigenspaces""; ""5. (Ã?â??â??)-equivariant eigenvalue filtration""
""6. Consequences for the kernels""""7. Reformulation of _{ _{ }}""; ""Chapter V. The family _{(2̂{ },1̂{ -2 })}""; ""1. A Gelfand model for _{ }""; ""2. Proof of Theorem\nonbreakingspace I.4.3""; ""Chapter VI. The original family _{(,1̂{ -- })}""; ""1. Proof of Theorem\nonbreakingspace I.1.1""; ""2. The kernel filtration and block-diagonalization""; ""3. The (unsigned) maps on injective words""; ""4. The complex of injective words""; ""5. Pieri formulae for _{ } and _{ }Ã?â??â??""; ""6. Some derangement numerology""
""7. (_{ }Ã?â??â??)-structure of the first kernel""""8. (_{ }Ã?â??â??)-structure of the kernel filtration""; ""9. Desarrangements and the random-to-top eigenvalue of a tableaux""; ""10. Shaving tableaux""; ""11. Fixing a small value of and letting grow.""; ""12. The representation ̂{( -1,1)}""; ""Chapter VII. Acknowledgements""; ""Appendix A. \symm_{ }-module decomposition of _{(,1̂{ -- })}""; ""Bibliography""; ""\nomname""; ""Index""
Notes Title from content provider
Subject Combinatorial group theory.
Markov processes.
Finite groups.
Combinatorial group theory
Finite groups
Markov processes
Form Electronic book
Author Saliola, Franco
Welker, Volkmar
ISBN 9781470414849
1470414848