I recently learnt the term diffeomorphism which is defined as a bijective differentiable function where the inverse is differentiable. That seems to imply the existence of an bijective differentiable function with non differentiable inverse, and I am struggling to find an example where that is the case.
2026-03-26 18:58:19.1774551499
bijective differentiable function with nondifferentiable inverse?
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