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An effective and sharp lower bound on Seshadri constants on surfaces with Picard number 1

Tomasz Szemberg

Number 4
Author Tomasz Szemberg
Year 2007

On an algebraic surface with Picard number 1 we compute in terms of the generator of the ample ray a lower bound for Seshadri constant valid at every point of the surface. We show that this bound cannot be improved in general.

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