Theoremes de connexite pour les produits d'espaces projectifs et les Grassmanniennes

DOI10.1353/ajm.1996.0047zbMath0878.14014OpenAlexW1969725357MaRDI QIDQ5689700

Olivier Debarre

Publication date: 22 December 1997

Published in: American Journal of Mathematics (Search for Journal in Brave)

Full work available at URL: http://muse.jhu.edu/journals/american_journal_of_mathematics/toc/ajm118.6.html

zbMATH Keywords

connectednessGrassmanniansFano varietiesinverse image of the diagonal

Mathematics Subject Classification ID

Grassmannians, Schubert varieties, flag manifolds (14M15) Fano varieties (14J45) Topological properties in algebraic geometry (14F45)

Related Items (17)

Connectivity and a Problem of Formal Geometry ⋮ Small codimension smooth subvarieties in even-dimensional homogeneous spaces with Picard group \(\mathbb Z\) ⋮ On a connectivity theorem of Mumford for homogeneous spaces ⋮ Bertini-type theorems for formal functions in Grassmannians ⋮ Partially ample subvarieties of projective varieties ⋮ Lorentzian polynomials, Segre classes, and adjoint polynomials of convex polyhedral cones ⋮ Small codimension subvarieties in homogeneous spaces ⋮ A Connectedness Theorem for Products of Weighted Projective Spaces ⋮ Formal properties in small codimension ⋮ Higher ramification loci over homogeneous spaces ⋮ A note about connectedness theorems à la Barth ⋮ The fundamental lemma for Lie algebras ⋮ Simply connected varieties in characteristic ⋮ A BARTH–LEFSCHETZ THEOREM FOR SUBMANIFOLDS OF A PRODUCT OF PROJECTIVE SPACES ⋮ On the geometry of spherical varieties ⋮ On smooth rational threefolds of P⁵ with rational non—special hyperplane section ⋮ EVIDENCE TO SUBCANONICITY OF CODIMENSION TWO SUBVARIETIES OF 𝔾(1,4)

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