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math.AG2007★ 1 cited
An effective and sharp lower bound on Seshadri constants on surfaces with Picard number 1
Tomasz Szemberg
We study lower bounds on Seshadri constants at arbitrary points on surfaces with Picard number 1.
math.AG2007★ 4 cited
Seshadri fibrations of algebraic surfaces
Wioletta Syzdek, Tomasz Szemberg
We refine results of Hwang, Keum and Szemberg, Tutaj-Gasinska which relate local invariants - Seshadri constants - of ample line bundles on surfaces to the global geometry - fibrat…