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On a constant arising in Manin's conjecture for Del Pezzo surfaces

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Abstract

For split smooth Del Pezzo surfaces, we analyse the structure of the effective cone and prove a recursive formula for the value of α, appearing in the leading constant as predicted by Peyre of Manin's conjecture on the number of rational points of bounded height on the surface. Furthermore, we calculate α for all singular Del Pezzo surfaces of degree > 3.

Original languageEnglish
Pages (from-to)481-489
Number of pages9
JournalMathematical research letters
Volume14
Issue number2-3
Publication statusPublished - 1 Mar 2007
Externally publishedYes

Keywords

  • Del Pezzo surface
  • Effective cone
  • Manin's conjecture

ASJC Scopus subject areas

  • General Mathematics

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