Inertia of retracts in Demushkin groups
Abstract
Exploring inequalities regarding the rank and relation gradients of pro-p modules and building upon recent results of Y. Antol\'in, A. Jaikin-Zapiran and M. Shusterman, we prove that every retract of a Demushkin group is inert in the sense of the Dicks-Ventura Inertia Conjecture.
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