English

Manin's conjecture for singular cubic hypersurfaces

Number Theory 2021-11-09 v1

Abstract

Let S Q denote x 3 = Q(y 1 ,. .. , y m)z where Q is a primitive positive definite quadratic form in m variables with integer coefficients. This S Q ranges over a class of singular cubic hypersurfaces as Q varies. For S Q we prove (i) Manin's conjecture is true if Q is locally determined with 2 | m and m 4; (ii) in general Manin's conjecture is true up to a leading constant if 2 | m and m 6.

Keywords

Cite

@article{arxiv.2111.04341,
  title  = {Manin's conjecture for singular cubic hypersurfaces},
  author = {Jianya Liu and Tingting Wen and Jie Wu},
  journal= {arXiv preprint arXiv:2111.04341},
  year   = {2021}
}
R2 v1 2026-06-24T07:30:06.369Z