Results 11 to 20 of about 195,139 (314)

Free compact groups I: Free compact abelian groups

open access: yesTopology and its Applications, 1986
The structure of free compact abelian groups is investigated. A compact abelian group G is free compact abelian if and only if \(G\cong K\times {\hat {\mathbb{Q}}}^ a\times \prod_{p\in prime}{\mathbb{Z}}^ b_ p\), where \({\hat {\mathbb{Q}}}\) is the character group of the discrete group of rationals, K is a compact connected abelian group with dense ...
Hofmann, Karl Heinrich   +1 more
openaire   +2 more sources

G-compactness and groups [PDF]

open access: yesArchive for Mathematical Logic, 2008
18 ...
Jakub Gismatullin, Ludomir Newelski
openaire   +2 more sources

Lacunarity for Compact Groups [PDF]

open access: yesProceedings of the National Academy of Sciences, 1971
Let G be a compact Abelian group with character group X. A subset Δ of X is called a [unk] q set (1 < q < ∞) if for all trigonometric polynomials f = [unk] k =1
Edwards, R. E., Hewitt, E., Ross, K. A.
openaire   +2 more sources

Compact Subgroups of Lie Groups and Locally Compact Groups [PDF]

open access: yesProceedings of the American Mathematical Society, 1994
We show that the set of compact subgroups in a connected Lie group is inductive. In fact, a locally compact group G G has ...
Hofmann, Karl H., Terp, Christian
openaire   +2 more sources

Representation zeta functions of compact p-adic analytic groups and arithmetic groups [PDF]

open access: yes, 2013
We introduce new methods from p-adic integration into the study of representation zeta functions associated to compact p-adic analytic groups and arithmetic groups.
Onn, Uri   +3 more
core   +1 more source

Compact Groups Of Galaxies [PDF]

open access: yesSymposium - International Astronomical Union, 1997
This paper reviews some of the outstanding questions concerning compact groups of galaxies. These relate to the physical nature and dynamical status of the groups, their formation and evolution, and their role in galaxy evolution. The picture that emerges is that compact groups are generally physically dense systems, although often contaminated by ...
openaire   +2 more sources

Multipliers on compact groups [PDF]

open access: yesProceedings of the American Mathematical Society, 1971
Let a compact group G G act continuously both by left and right translation on a Banach space V V of integrable functions on G G . Then M ( V ) \mathfrak {M}(V) , the space of bounded linear operators on V V commuting ...
Dunkl, Charles F., Ramirez, Donald E.
openaire   +2 more sources

Random Action of Compact Lie Groups and Minimax Estimation of a Mean Pattern [PDF]

open access: yes, 2011
This paper considers the problem of estimating a mean pattern in the setting of Grenander's pattern theory. Shape variability in a dataset of curves or images is modeled by the random action of elements in a compact Lie group on an infinite dimensional ...
Gadat, Sébastien   +3 more
core   +1 more source

The Baum-Connes conjecture for free orthogonal quantum groups [PDF]

open access: yes, 2011
We prove an analogue of the Baum–Connes conjecture for free orthogonal quantum groups. More precisely, we show that these quantum groups have a γ-element and that γ=1. It follows that free orthogonal quantum groups are K-amenable.
Voigt, C.   +2 more
core   +1 more source

The structure of compact groups : a primer for the student? A handbook for the expert

open access: yes, 2023
This book is designed both as a textbook for high-level graduate courses and as a reference for researchers who need to apply the structure and representation theory of compact groups.
Hofmann, Karl, Morris, Sidney
core   +1 more source

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