中文

对Mueller和Schmidt关于Thue不等式猜想的贡献

数论 2016-03-23 v1

摘要

F(X,Y)=i=0saiXriYrriZ[X,Y]F(X,Y)=\sum\limits_{i=0}^sa_iX^{r_i}Y^{r-r_i}\in\mathbb{Z}[X,Y] 为次数 r=rs3r=r_s\geq 3 的型,在 Q\mathbb{Q} 上不可约,且至多具有 s+1s+1 个非零系数。Mueller和Schmidt证明了Thue不等式 F(X,Y)h |F(X,Y)|\leq h 的解的个数为 s2h2/r(1+logh1/r)\ll s^2h^{2/r}(1+\log h^{1/r})。他们猜想 s2s^2 可被 ss 替代。令 Ψ=max0ismax(w=0i11rirw,w=i+1s1rwri). \Psi = \max_{0\leq i\leq s} \max\left( \sum_{w=0}^{i-1}\frac{1}{r_i-r_w},\sum_{w= i+1}^{s}\frac{1}{r_w-r_i}\right). 则我们证明 s2s^2 可被 max(slog3s,seΨ)\max(s\log^3s, se^{\Psi}) 替代。我们还证明若 a0=as|a_0|=|a_s| 且对 1is11\leq i\leq s-1aia0|a_i|\leq |a_0|,则 s2s^2 可被 slog3/2ss\log^{3/2}s 替代。特别地,若 ai{1,1}a_i\in\{-1,1\} 此结论成立。

关键词

引用

@article{arxiv.1603.06837,
  title  = {Contributions to a conjecture of Mueller and Schmidt on Thue inequalities},
  author = {N. Saradha and Divyum Sharma},
  journal= {arXiv preprint arXiv:1603.06837},
  year   = {2016}
}

备注

27 pages, 1 figure