Visualitza Departament: Matemàtiques by font "Advances in Mathematics, v. 290, 26, February 2016, p. 1040-1061"
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The cone of curves and the Cox ring of rational surfaces given by divisorial valuations
Elsevier (2016-02)We consider surfaces X defined by plane divisorial valuations ν of the quo- tient field of the local ring R at a closed point p of the projective plane P 2 over an arbitrary algebraically closed field k and ...