3 papers
math.GR2026
Mild Pro- Groups and Ordered Monoids
Ido Efrat
We prove a criterion for the mildness of a finitely presented pro- group . It implies as a special case a cohomological mildness criterion via Massey products, generalizing r…
math.NT2026
Cofinality of Galois Cohomology within Purely Quadratic Graded Algebras
Tamar Bar-On, Ido Efrat
Let be a prime number. For a field containing a root of unity of order , let be the mod- Galois cohomology graded $\mathbb{F}…
math.NT2025
The Elementary Type Conjecture for Maximal Pro-p Galois groups
Ido Efrat
The Elementary Type Conjecture in Galois theory provides a concrete inductive description of the finitely generated maximal pro- Galois groups of fields containing…