2 problems

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Popescu's generalization of the Płoski approximation theorem
Let $A$ be a Henselian local ring, let $\widehat A$ denote its completion, let $B$ be a finitely generated $A$ -algebra, and let $\varphi:B\longrightarrow\widehat A$ be an $A$ -morph…
Conjectureopenapproximation-theorems commutative-algebra henselian-ringsarXiv posted 2 days ago
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The approximation conjecture for Fuglede–Kadison determinants
Approximation conjecture for Fuglede–Kadison determinants. One has
Conjecturerefutedapproximation-theorems fuglede-kadison-determinants group-ringsarXiv posted 2 days ago

Popescu's generalization of the Płoski approximation theorem