Line and Hyperplane GT-variants
Algebraic Geometry
2025-09-30 v2 K-Theory and Homology
Number Theory
Abstract
In this work, we introduce a variant of the Grothendieck-Teichm{\"u}ller group, defined in terms of complements of hyperplane arrangements and pro- two-step nilpotent fundamental groups, and prove that it is isomorphic to the absolute Galois group of .
Cite
@article{arxiv.2104.10504,
title = {Line and Hyperplane GT-variants},
author = {Florian Pop and Adam Topaz},
journal= {arXiv preprint arXiv:2104.10504},
year = {2025}
}
Comments
21 pages; v2: changed title, expository changes