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Cian Dorr

Oxford, United Kingdom

users.ox.ac.uk/~sfop0257

I am a lecturer in philosophy at Oxford University.

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Top Questions

If $g^{-1} \circ f \circ g$ is $C^\infty$ whenever $f$ is $C^\infty$, must $g$ be $C^\infty$?

real-analysis differential-geometry asked Dec 18 '10 at 21:37

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When is an $n$-dimensional manifold characterized by its $m$-dimensional submanifolds?

differential-geometry asked Mar 14 '11 at 16:12

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Can an uncountable family of positive-measure sets be such that each point belongs to only finitely many of them?

measure-theory asked Mar 16 at 23:43

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Can an uncountable family of positive-measure sets be such that no point belongs to uncountably many of them?

measure-theory descriptive-set-theory asked Mar 3 at 10:56

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Top Answers

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