The whole problem is: Find a function that is in Bounded variation(BV) but not in Absolutely Continuous(AC). It's not too hard to find a function is in BV, but how do we prove a function is not AC?
2026-02-23 13:44:32.1771854272
How to find a function which has bouned variaion but is not absolutely continuous
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You can take Cantor function. See details here: https://en.wikipedia.org/wiki/Cantor_function