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math.GR2024
Digraphs, pro- groups and Massey products in Galois cohomology
Claudio Quadrelli
Let be a prime. We characterize the oriented right-angled Artin pro- groups whose -cohomology algebra yields no essential -fold Massey products for every $n…
math.GR2024
Directed graphs, Frattini-resistance, and maximal pro- Galois groups
Claudio Quadrelli
Let be a prime. Following Snopce-Tanushevski, a pro- group is called Frattini-resistant if the function , from the poset of all closed finitely-generated s…