Traitements oncologiques et survie de 265 patients, âgés de 70 ans et plus, atteints d’un glioblastome diagnostiqué en France métropolitaine
Neurochirurgie(2012)
摘要
We unify aspects of the equivariant geometry of type D quiver representation varieties, double Grassmannians, and symmetric varieties GL(a+b)/GL(a)×GL(b); in particular we translate results about singularities of orbit closures, combinatorics of orbit closure containment, and torus equivariant K-theory between these three families. These results are all obtained from our generalization of a construction of Zelevinsky for type A quivers to the type D setting. More precisely, we give explicit embeddings with nice properties of homogeneous fiber bundles over type D quiver representation varieties into these symmetric varieties.
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