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arxiv: 1701.05330 · v1 · pith:LZM35R7Enew · submitted 2017-01-19 · 🧮 math.FA · math.CT

Effective descent morphisms for Banach modules

classification 🧮 math.FA math.CT
keywords banachdescenteffectivemodulesalgebrascommutativehomomorphismmorphism
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It is proved that a norm-decreasing homomorphism of commutative Banach algebras is an effective descent morphism for Banach modules if and only if it is a weak retract.

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