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Centralizers of the infinite symmetric group [PDF]

open access: yesDiscrete Mathematics & Theoretical Computer Science, 2014
We review and introduce several approaches to the study of centralizer algebras of the infinite symmetric group $S_{\infty}$. Our work is led by the double commutant relationship between finite symmetric groups and partition algebras; in the case of $S_{\
Zajj Daugherty, Peter Herbrich
doaj   +5 more sources

A Remark on Representations of Infinite Symmetric Groups [PDF]

open access: yesJournal of Mathematical Sciences, 2013
We simplify construction of Thoma representations of an infinite symmetric ...
Yury Neretin, Neretin Yu A
exaly   +3 more sources

On representations of the infinite symmetric group

open access: yesJournal of Mathematical Sciences, 1999
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
exaly   +4 more sources

Second cohomology groups and finite covers of infinite symmetric groups

open access: yesJournal of Algebra, 2011
zbMATH Open Web Interface contents unavailable due to conflicting licenses.

exaly   +4 more sources

Infinite locally finite simple groups with many complemented subgroups [PDF]

open access: yesInternational Journal of Group Theory, 2022
We prove that the following families of (infinite) groups have complemented subgroup lattice‎: ‎alternating groups‎, ‎finitary symmetric groups‎, ‎Suzuki groups over an infinite locally finite field of characteristic $2$‎, ‎Ree groups over an infinite ...
Maria Ferrara, Marco Trombetti
doaj   +1 more source

Twistor formulation of massless 6D infinite spin fields

open access: yesNuclear Physics B, 2021
We construct massless infinite spin irreducible representations of the six-dimensional Poincaré group in the space of fields depending on twistor variables. It is shown that the massless infinite spin representation is realized on the two-twistor fields.
I.L. Buchbinder   +2 more
doaj   +1 more source

The cofinality spectrum of the infinite symmetric group [PDF]

open access: yesJournal of Symbolic Logic, 1997
AbstractLetSbe the group of all permutations of the set of natural numbers. The cofinality spectrumCF(S)ofSis the set of all regular cardinalsλsuch thatScan be expressed as the union of a chain ofλproper subgroups. This paper investigates which setsCof regular uncountable cardinals can be the cofinality spectrum ofS.
Saharon Shelah, Simon Thomas 0001
openaire   +3 more sources

On Generating Sets of Infinite Symmetric Group

open access: yesJournal of Mathematical Sciences, 2023
It was shown that in a group of bijections of an infinite set some families of subsets, related to the cardinality of some eigenspaces, are generating. Besides, we derived a criterion for generating by sets of this kind.
Semenov, A. V., Denisova, A. D.
openaire   +3 more sources

Point processes and the infinite symmetric group [PDF]

open access: yesMathematical Research Letters, 1998
This paper gives a short overview of the main results obtained in five preprints of the authors with the same title [\textit{G. Olshanski}, part I, http://arXiv.org/abs/math/9804086; \textit{A. Borodin}, part II, http://arXiv.org/abs/math/9804087; \textit{A. Borodin} and \textit{G.
Borodin, Alexei, Olshanski, Grigori
openaire   +1 more source

When are the natural embeddings of classical invariant rings pure?

open access: yesForum of Mathematics, Sigma, 2023
Consider a reductive linear algebraic group G acting linearly on a polynomial ring S over an infinite field; key examples are the general linear group, the symplectic group, the orthogonal group, and the special linear group, with the classical ...
Melvin Hochster   +3 more
doaj   +1 more source

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