Uploaded October 2021 | Updated September 2026, 1 week ago

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This lecture is part of an online course on rings and modules.

We discuss when taking limits of modules preserves exactness. In particular we give the Mittag-Leffler condition that ensures that taking inverse limits of modules preserves exactness.

For the other lectures in the course see youtube.com/playlist?list=PL8yHsr3EFj52XDLrmvrFDgwcf6XOm2TEE