Results 111 to 120 of about 802 (140)

Elevated EBF2 in mouse but not pig drives the progressive brown fat lineage specification via chromatin activation. [PDF]

J Adv Res
Liao Y, Peng Z, Fu S, Hua Y, Luo W, Liu R, Chen Y, Gu W, Zhao P, Zhao J, Wang Y, Wang H.   +11 more
europepmc   +1 more source

Determinacy and unipotency

Inventiones Mathematicae, 1987
The original work of Mather giving necessary and sufficient conditions for finite determinacy of smooth map-germs (e.g. up to right-left equivalence) gave very poor estimates of the degree of determinacy, although these have subsequently been considerably improved.
Bruce, J.W., du Plessis, A.A., Wall, C.T.C.   +2 more
exaly   +3 more sources

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Solvable and Unipotent Supergroups

Algebra and Logic, 2014
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Zubkov, A. N., Ulyashev, P. A.
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On Fusion in Unipotent Blocks

Bulletin of the London Mathematical Society, 1999
The main result of this paper is: Theorem 7. Let \(({\mathbf G},F)\) be a connected reductive group defined over \(\mathbb{F}_q\), and let \(\ell\) be an odd prime, good for \(\mathbf G\), not dividing \(q\) and unequal to 3 if \(({\mathbf G},F)\) involves rational type \(^3{\mathbf D}_4\). Let \(e\) be the order of \(q\pmod\ell\).
Cabanes, Marc, Enguehard, Michel
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Semisimplicity and Unipotency

Graduate Texts in Mathematics, 1981
Section 1 is devoted to the generalities concerning simple and semisimple modules over a ring, and to the theory of a single linear endomorphism. The main result from this second area is the multiplicative Jordan decomposition of a linear automorphism, which plays an important role in the structure theory of algebraic groups.
exaly   +2 more sources

Unipotent Representations and Unipotent Classes SL(N)

American Journal of Mathematics, 1993
There are (at least) two basic problems encountered in attempts to stabilize the trace formula of a reductive group \(G\). The first is the matching of the unstable orbital integrals of smooth functions on \(G\) (over a \(p\)-adic field of characteristic zero) with stable orbital integrals on its endoscopic groups \(H\); the second is the fundamental ...
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A measure on the Unipotent Variety

Canadian Journal of Mathematics, 1985
Suppose that G is a reductive algebraic group defined over Q. There occurs in the trace formula a remarkable distribution on G(A)1 which is supported on the unipotent set. It is defined quite concretely in terms of a certain integral over G(Q)\G(A)1. Despite its explicit description, however, this distribution is not easily expressed locally, in terms ...
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Unipotent Finitary Linear Groups

Journal of the London Mathematical Society, 1993
Let \(V\) be a vector space. A subgroup \(G\) of the general linear group \(\text{GL}(V)\) is said to be finitary linear, if \(\dim[V,g]\) is finite for all \(g\in G\). We first study the relationship between unipotent finitary linear groups and the so-called stable matrix groups. Here, a matrix group \(G\) is said to be stable, if for every \(g \in G\)
F. Leinen, PUGLISI, ORAZIO
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Towards the Reverse Decomposition of Unipotents

Journal of Mathematical Sciences, 2019
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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Unipotent Representations of Nilpotent Groups

Bulletin of the London Mathematical Society, 1987
We give an alternative proof of the main theorem of \textit{B. Hartley} and \textit{P. Menal} [Bull. Lond. Math. Soc. 15, 378-383 (1983; Zbl 0494.20023)]. Thus we prove that a group has a faithful unitriangular representation of degree n over some division ring of characteristic zero if and only if it is torsion-free and nilpotent of class less than n.
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