Results 21 to 30 of about 150,165 (106)

Cuntz semigroups of compact-type Hopf C*-algebras

open access: yes, 2017
The classical Cuntz semigroup has an important role in the study of C*-algebras, being one of the main invariants used to classify recalcitrant C*-algebras up to isomorphism.
Kucerovsky, Dan
core   +2 more sources

The q-analogue of the wild fundamental group and the inverse problem of the Galois theory of q-difference equations [PDF]

open access: yes, 2012
In previous papers, we defined $q$-analogues of alien derivations for linear analytic $q$-difference equations with integral slopes and proved a density theorem (in the Galois group) and a freeness theorem.
Ramis, Jean-Pierre, Sauloy, Jacques
core  

Isometric group actions on Banach spaces and representations vanishing at infinity

open access: yes, 2006
Our main result is that the simple Lie group $G=Sp(n,1)$ acts properly isometrically on $L^p(G)$ if $p>4n+2$. To prove this, we introduce property $({\BP}_0^V)$, for $V$ be a Banach space: a locally compact group $G$ has property $({\BP}_0^V)$ if every ...
A. Guichardet   +27 more
core   +2 more sources

Linear groups in Galois fields. A case study of tacit circulation of explicit knowledge [PDF]

open access: yes, 2012
This preprint is the extended version of a paper that will be published in the proceedings of the Oberwolfach conference "Explicit vs tacit knowledge in mathematics" (January 2012). It presents a case study on some algebraic researches at the turn of the
Brechenmacher, Frederic
core   +3 more sources

A short survey on observability

open access: yes, 2018
The exploration of the notion of observability exhibits transparently the rich interplay between algebraic and geometric ideas in \emph{geometric invariant theory}.
Santos, Walter Ferrer
core  

Representation theory of unipotent linear algebraic groups and a generalized Kirillov theory for a class of nilpotent groups

open access: yes, 2007
In dieser Arbeit werden zwei verschiedene Themen aus der Darstellungstheorie nilpotenter lokalkompakter Gruppen behandelt. Im ersten Kapitel wird die Struktur von abelschen unipotenten linearen algebraischen Gruppen über lokalen Körpern der Charakteristik p untersucht.
openaire   +1 more source

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