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Results tagged with short-exact-sequences
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user 2811
For questions about short exact sequences in various contexts, including questions on short exact sequences of groups or modules.
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Another notion of exactness: how to refine it, and where does it fit?
There are many notions of “exactness” in category theory, algebraic geometry, etc. Here I offer another that generalizes the category of frames, the notion of valuation (from probability theory), and …
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