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In this paper we establish an asymptotic formula for the number of rational points of bounded anticanonical height which lie on a certain Zariski dense subset of the biprojective hypersurface align* x₁y₁²+ +xₛyₛ² = 0align*in P^s-1 P^s-1 with s 7. This confirms the Manin conjecture for this variety.
Xun Wang (Wed,) studied this question.
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