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Real-valued functions of real variable, analytic properties of functions and sequences, limits, continuity, smoothness of these.

12 votes
3 answers
435 views

Is a certain subset of the disc a convex set?

Some one asked me this question and I thought about it and I don't have any good idea to solve that. Can some one help me and give me an idea to start solve that? Draw a Cantor set $C$ on the circle …
mahdi mz's user avatar
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