نتایج جستجو برای: primary zariski topology

تعداد نتایج: 708371  

2010
L. CORWIN F. P. GREENLEAF

Let A" be a Lie subgroup of the connected, simply connected nilpotent Lie group G, and let f, g be the corresponding Lie algebras. Suppose that a is an irreducible unitary representation of K. We give an explicit direct integral decomposition of IndA^c;o into irreducibles. The description uses the Kirillov orbit picture, which gives a bijection between GA and the coadjoint orbits in g* (and sim...

Journal: :Int. J. Control 2009
Florian Knorn Rade Stanojevic Martin J. Corless Robert Shorten

This article may be used for research, teaching and private study purposes. Any substantial or systematic reproduction, redistribution , reselling , loan or sub-licensing, systematic supply or distribution in any form to anyone is expressly forbidden. The publisher does not give any warranty express or implied or make any representation that the contents will be complete or accurate or up to da...

Journal: :Bulletin of Symbolic Logic 1996
Ya'acov Peterzil Sergei Starchenko

In the case of the field C, the algebraic structure is insufficient to determine the Euclidean topology; another topology, Zariski, is associated with the field but this will be too coarse to give a differentiable structure. A celebrated example of how partial algebraic and topological data (G a locally euclidean group) determines a differentiable structure (G is a Lie group) is Hilbert’s 5th p...

2004
Dipendra Prasad

B. Mazur has considered the question of density in the Euclidean topology of the set of Q-rational points on a variety X defined over Q, in particular for Abelian varieties. In this paper we consider the question of closures of the image of finitely generated subgroups of T (Q) in Γ\T (R) where T is a torus defined over Q, Γ an arithmetic subgroup such that Γ\T (R) is compact. Assuming Schanuel...

1996
DAVE WITTE

Let Γ be a discrete subgroup of a simply connected, solvable Lie group G, such that AdG Γ has the same Zariski closure as AdG. If α : Γ → GLn(R) is any finite-dimensional representation of Γ, we show that α virtually extends to a continuous representation σ of G. Furthermore, the image of σ is contained in the Zariski closure of the image of α. When Γ is not discrete, the same conclusions are t...

2012
MANUEL L. REYES

There are two fundamental obstructions to representing noncommutative rings via sheaves. First, there is no subcanonical coverage on the opposite of the category of rings that includes all covering families in the big Zariski site. Second, there is no contravariant functor F from the category of rings to the category of ringed categories whose composite with the global sections functor is natur...

Journal: :Proceedings of the National Academy of Sciences of the United States of America 1955
J Nash

I Koizumi, op. cit., 2, 267. 10 0. Zariski, "The Reduction of the Singularities of an Algebraic Surface," Ann. Math., 40, 639689, 1939; "A Simplified Proof for the Resolution of Singularities of an Algebraic Surface," ibid., 43, 583-593, 1942; S. Abhyankar, "The Theorem of Local Uniformization on Algebraic Surfaces over Modular Fields," Ann. Math. (to appear). "0. Zariski, "Pencils on an Algebr...

Journal: :Journal of Pure and Applied Algebra 2011

Journal: :Proceedings of the American Mathematical Society 2011

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