Quelques applications de la cohomologie d'intersection
Page 1
Displaying 1 – 8 of 8
Quelques propriétés des espaces homogènes sphèriques.
Michel Brion (1986)
Manuscripta mathematica
Quiver varieties and Weyl group actions
George Lusztig (2000)
Annales de l'institut Fourier
The cohomology of Nakajima’s varieties is known to carry a natural Weyl group action. Here this fact is established using the method of intersection cohomology, in analogy with the definition of Springer’s representations.
Quotient de la variété des points infiniment voisins d’ordre 9 sous l’action de
Abdelghani El Mazouni (1996)
Bulletin de la Société Mathématique de France
Quotient Singularities which are Complete Intersections.
Haruhisa Nakajima (1984)
Manuscripta mathematica
Quotients for algebraic group actions over non-algebraically closed fields.
Ralph J. Bremigan (1994)
Journal für die reine und angewandte Mathematik
Quotients of toric varieties.
M.M. Kapranov, B. Sturmfels (1991)
Mathematische Annalen
Quotients of toric varieties by actions of subtori
Joanna Święcicka (1999)
Colloquium Mathematicae
Let X be an algebraic toric variety with respect to an action of an algebraic torus S. Let Σ be the corresponding fan. The aim of this paper is to investigate open subsets of X with a good quotient by the (induced) action of a subtorus T ⊂ S. It turns out that it is enough to consider open S-invariant subsets of X with a good quotient by T. These subsets can be described by subfans of Σ. We give a description of such subfans and also a description of fans corresponding to quotient varieties. Moreover,...
Currently displaying 1 – 8 of 8
Page 1