C. Kofinas

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20092026

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math.RA2026

Tame Automorphisms of Free Nilpotent Lie Algebras of Countably Infinite Rank

C. E. Kofinas

Let $L_{\infty}$ be a free Lie algebra of countably infinite rank over a field of characteristic $0$ and let $L_{\infty, c}$ be the free nilpotent Lie algebra of countably infinite…

math.RA2019

IA-automorphisms and Lie Algebras related to the McCool group

C. E. Kofinas, V. Metaftsis, A. I. Papistas

In the present work we investigate a subgroup $I_{n}$ of the McCool group $M_{n}$ . We show that $I_{n}$ has solvable conjugacy problem. Next, we investigate its Lie Algebra gr( $I_{n}$ ) and…