DEFORMING TORSION-FREE SHEAVES ON AN ALGEBRAIC SURFACE

@inproceedings{Artamkin1991DEFORMINGTS,
  title={DEFORMING TORSION-FREE SHEAVES ON AN ALGEBRAIC SURFACE},
  author={I. V. Artamkin},
  year={1991}
}
  • I. V. Artamkin
  • Published 1991
  • Mathematics
  • This paper investigates the question of removability of singularities of torsion-free sheaves on algebraic surfaces in the universal deformation and the existence in it of a nonempty open set of locally free sheaves, and describes the tangent cone to the set of sheaves having degree of singularities larger than a given one. These results are used to prove that quasitrivial sheaves on an algebraic surface with (r + 1) \max(1, p_g(X))$ SRC=http://ej.iop.org/images/0025-5726/36/3/A01… CONTINUE READING

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