We give a bound for the multiple Seshadri constants on surfaces with Picard number 1. The result is a natural extension of the bound of A. Steffens for simple Seshadri constants. In particular, we prove that the Seshadri constant $\epsilon(L; r)$ is maximal when $rL^2$ is a square.
Ulrich Bundles on Quartic Surfaces with Picard Number 1
P1-bundles over projective manifolds of Picard number one each of which admit another smooth morphism of relative dimension one
On Cox rings of K3-surfaces
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