If N is of finite type, then M′ is quasi-coherent. Remark 3.3.5 In other words, M′ is the largest submodule of M whose pairing with N by means of ψ lands inside P′⊆P. We will denote it by (P′:N)ψ. Proof Quasi-coherence is local on X, so we can assume that X is...
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quasicoherent sheaf (Rev #34, changes) P Goerss,D Orlov,M Kontsevich,... 被引量: 0发表: 0年 The quot functor of a quasi-coherent sheaf We build an infinite dimensional scheme parametrizing isomorphism classes of coherent quotients of a quasi-coherent sheaf on a projective scheme. The main...
The quot functor of a quasi-coherent sheafGennaro Di Brino
We establish the Hodge conjecture for some subvarieties of a class of toric varieties. First we study quasi-smooth intersections in a projective simplicial toric variety, which is a suitable notion to generalize smooth complete intersection subvarieties in the toric environment, and in particular quas...
nt sheaf on P^1 (k) The groxup of covering automorphisms of a quasi-coherent sheaf on P^1 (k)The groxup of covering automorphisms of a quasi-coherent sheaf on P^1 (k)Enochs, E.Estrada, S.Rozas, J. R. G.Oyonarte, L.
A coherent sheaf on Y is called torsion free if it does not have any non zero subsheaf with finite support. We prove that torsion free sheaves are reflexive. We study then the quasi locally free sheaves, i.e., sheaves which are locally isomorphic to direct sums of the OCi.We define ...
If every at quasi- coherent sheaf has finite cotorsion dimension, we prove that X is n-perfect for some... E Hosseini - 《Journal of Algebra & Its Applications》 被引量: 7发表: 2013年 GENERALIZED QUASI-COHERENT SHEAVES Generalized quasi-coherent sheafcotorsion representationtorsion free coverThe...
If every at quasi- coherent sheaf has finite cotorsion dimension, we prove that X is n-perfect for some... E Hosseini - 《Journal of Algebra & Its Applications》 被引量: 7发表: 2013年 GENERALIZED QUASI-COHERENT SHEAVES Generalized quasi-coherent sheafcotorsion representationtorsion free coverThe...
Flat quasi-coherent sheaves of finite cotorsion dimension Let X be e quasi-compact and semi-separated scheme. If every at quasi- coherent sheaf has finite cotorsion dimension, we prove that X is n-perfect for some... E Hosseini - 《Journal of Algebra & Its Applications》 被引量: 7发表:...