English

Arithmetic Progressions of Length Three in Multiplicative Subgroups of $\mathbb{F}_p$

Number Theory 2019-02-27 v1 Data Structures and Algorithms

Abstract

In this paper, we give an algorithm for detecting non-trivial 3-APs in multiplicative subgroups of Fp×\mathbb{F}_p^\times that is substantially more efficient than the naive approach. It follows that certain Var der Waerden-like numbers can be computed in polynomial time.

Keywords

Cite

@article{arxiv.1902.10046,
  title  = {Arithmetic Progressions of Length Three in Multiplicative Subgroups of $\mathbb{F}_p$},
  author = {Jeremy F Alm},
  journal= {arXiv preprint arXiv:1902.10046},
  year   = {2019}
}

Comments

8 pages, 2 figures. The proof of Theorem 2 follows closely the proof of Theorem 4 from arXiv:1609.01817