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Inhomogeneous cubic congruences and rational points on del Pezzo surfaces

  • Stephan Baier EMAIL logo and Tim D. Browning
Published/Copyright: April 3, 2012

Abstract

For given non-zero integers a, b, q we investigate the density of solutions (xy) ∈ ℤ2 to the binary cubic congruence ax2 + by3 ≡ 0 mod q, and use it to establish the Manin conjecture for a singular del Pezzo surface of degree 2 defined over ℚ.

Received: 2011-05-07
Revised: 2011-09-20
Published Online: 2012-04-03
Published in Print: 2013-06

©[2013] by Walter de Gruyter Berlin Boston

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