Martino Lupini

activity

20112026

most citedBoundary representations of operator spaces, and compact rectangular matrix convex sets

210 citations · 464 across the 57 of their papers we have counts for

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Showing 2021Show all

2 papers · 1 filter

math.LO2021

Computable topological abelian groups

Martino Lupini, Alexander Melnikov, Andre Nies

We study the algorithmic content of Pontryagin - van Kampen duality. We prove that the dualization is computable in the important cases of compact and locally compact totally disco…

math.GR2021

Projective length, phantom extensions, and the structure of torsion modules

Martino Lupini

The notion of phantom extension of order a given ordinal $α$ has been introduced in collaboration with Casarosa, as an algebraic analogue of the order of a phantom map in topology,…