Publications associées à Groupe réductif

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On irreducible subgroups of simple algebraic groups

Donna Testerman, Claude Marion

Let G be a simple algebraic group over an algebraically closed field K of characteristic p >= 0, let H be a proper closed subgroup of G and let V be a nontrivial irreducible KG-module, which is p-restricted, tensor indecomposable and rational. Assume that ...

Springer Heidelberg2017

Thermally induced group effects among energy piles

Lyesse Laloui, Alessandro Francesco Rotta Loria

The behaviour of conventional pile groups (e.g., closely spaced) that are subjected to mechanical loads has been shown to be different than the behaviour of single isolated piles. The so-called group effects are responsible for this behaviour and must be c ...

2017

Toward a mixed-initiative QA system: from studying predictors in Stack Exchange to building a mixed-initiative tool

Tiziano Piccardi

This article envisions a new customer support solution that merges the efficiency of crowd-based Question and Answer (QA) sites with the effectiveness of traditional customer care services. QA sites use crowdsourcing to solve problems in a very efficient w ...

Academic Press Ltd- Elsevier Science Ltd2017

Restriction of irreducible modules for Spin2+1(K) to Spin2(K)

Mikaël Cavallin

Let K be an algebraically closed field of characteristic

p\geq0

and let

Y=SPin_{2n+1}(K) (n\geq3)

be a simply connected simple algebraic group of type

B_n

over

K

. Also let

X

be the subgroup of type

D_n

, embedded in

Y

in the usual way, as the ...

2017

The equivalent pier method for energy pile groups

Lyesse Laloui, Alessandro Francesco Rotta Loria

This study presents a method for estimating the average vertical displacement of energy pile groups subjected to thermal loads. The method consists of replacing any regular energy pile group with a single equivalent pier of the same length and an equivalen ...

2017

The equivalent pier method for energy pile groups

Lyesse Laloui, Alessandro Francesco Rotta Loria

2017

Nielsen Equivalence In Gupta-Sidki Groups

Aglaia Myropolska

For a group G generated by k elements, the Nielsen equivalence classes are defined as orbits of the action of AutF(k), the automorphism group of the free group of rank k, on the set of generating k-tuples of G. Let p >= 3 be prime and G(p) the Gupta-Sidki ...

Amer Mathematical Soc2017

Endo-trivial modules: a reduction to p'-central extensions

Jacques Thévenaz, Caroline Lassueur

We examine how, in prime characteristic p, the group of endotrivial modules of a finite group G and the group of endotrivial modules of a quotient of G modulo a normal subgroup of order prime to p are related. There is always an inflation map, but examples ...

2017

Restriction of irreducible modules for Spin2+1(K) to Spin2(K)

Mikaël Cavallin

Let K be an algebraically closed field of characteristic

p\geq0

and let

Y=SPin_{2n+1}(K) (n\geq3)

be a simply connected simple algebraic group of type

B_n

over

K

. Also let

X

be the subgroup of type

D_n

, embedded in

Y

in the usual way, as the ...

2017

Groupe réductif

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Chattez avec Graph Search

On irreducible subgroups of simple algebraic groups

Invariant forms on irreducible modules of simple algebraic groups

Toda frames, harmonic maps and extended Dynkin diagrams

Thermally induced group effects among energy piles

Toward a mixed-initiative QA system: from studying predictors in Stack Exchange to building a mixed-initiative tool

Restriction of irreducible modules for Spin2+1(K) to Spin2(K)

The equivalent pier method for energy pile groups

The equivalent pier method for energy pile groups

Nielsen Equivalence In Gupta-Sidki Groups

Endo-trivial modules: a reduction to p'-central extensions

Invariant forms on irreducible modules of simple algebraic groups

Endo-trivial modules: a reduction to p'-central extensions

On irreducible subgroups of simple algebraic groups

The equivalent pier method for energy pile groups

Thermally induced group effects among energy piles

Toward a mixed-initiative QA system: from studying predictors in Stack Exchange to building a mixed-initiative tool

Nielsen Equivalence In Gupta-Sidki Groups

Toda frames, harmonic maps and extended Dynkin diagrams

Restriction of irreducible modules for Spin2+1(K) to Spin2(K)

The equivalent pier method for energy pile groups