Results 81 to 90 of about 310,777 (176)

On conjugacy separability of some Coxeter groups and parabolic-preserving automorphisms

open access: yes, 2013
We prove that even Coxeter groups, whose Coxeter diagrams contain no (4, 4, 2) triangles, are conjugacy separable. In particular, this applies to all right-angled Coxeter groups or word hyperbolic even Coxeter groups. For an arbitrary Coxeter group W, we
Caprace, Pierre-Emmanuel   +1 more
core  

Technical and economic analysis of parabolic trough concentrating solar thermal power plant [PDF]

open access: yes, 2012
Includes abstract.Includes bibliographical references.This thesis reports on the technical and economic analysis of wet and dry cooling technologies of parabolic trough CSTP plant.
Kariuki, Kibaara Samuel
core   +1 more source

A note on parabolic subgroups of a Coxeter group

open access: yesExpositiones Mathematicae, 2007
The aim of this note is to prove that the parabolic closure of any subset of a Coxeter group is a parabolic subgroup. To obtain that, several technical lemmas on the root system of a parabolic subgroup are established.
openaire   +2 more sources

Statistical properties of subgroups of free groups

open access: yes
The usual way to investigate the statistical properties of finitely generated subgroups of free groups, and of finite presentations of groups, is based on the so-called word-based distribution: subgroups are generated (finite presentations are determined)
Ventura, Enric   +4 more
core   +1 more source

On conjugacy separability of some Coxeter groups and parabolic-preserving automorphisms

open access: yes, 2014
We prove that even Coxeter groups, whose Coxeter diagrams contain no (4, 4, 2) triangles, are conjugacy separable. In particular, this applies to all right-angled Coxeter groups or word hyperbolic even Coxeter groups. For an arbitrary Coxeter group W, we
Caprace, Pierre-Emmanuel   +1 more
core  

On Artin groups admitting retractions to parabolic subgroups [PDF]

open access: yes
We generalize the retractions to standard parabolic subgroups for even Artin groups to FC-type Artin groups and other more general families. We prove that these retractions uniquely extend to any parabolic subgroup.
Foniqi, Islam   +2 more
core   +1 more source

A family of difference schemes for fourth order parabolic partial differential equations [PDF]

open access: yes, 1983
A family of methods is developed for the numerical solution of fourth order parabolic partial differential equations in one- and two-space variables.
Khaliq, AQM, Twizell, EH
core  

A Note on Parabolic Subgroups and the Steenrod Algebra Action

open access: yesAlgebra Colloquium, 2008
The ring of modular invariants of parabolic subgroups has been described by Kuhn and Mitchell using Dickson algebra generators. We provide a new generating set which is closed under the Steenrod algebra action along with the relations between these elements.
openaire   +2 more sources

Home - About - Disclaimer - Privacy