English

$\infty$-constructible Subsemigroups of $M_2(\mathbb{C})$

Logic 2018-04-10 v2 Rings and Algebras

Abstract

A description of all subsemigroups of M2(C)M_2(\mathbb{C}) which are given by a countable intersection of constructible sets is given. Furthermore, it is shown that they are intersections of constructible semigroups.

Keywords

Cite

@article{arxiv.1607.03603,
  title  = {$\infty$-constructible Subsemigroups of $M_2(\mathbb{C})$},
  author = {Yatir Halevi},
  journal= {arXiv preprint arXiv:1607.03603},
  year   = {2018}
}
R2 v1 2026-06-22T14:53:07.821Z