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Which sets are removable for holomorphic functions?
Prove analyticity by Morera’s theorem

Suppose $f : \mathbb{C} \to \mathbb{C}$ is continuous and its restriction to $\mathbb{C} \setminus [-1,1]$ is holomorphic. Is $f$ necessarily holomorphic?

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marked as duplicate by Jonas Meyer, JSchlather, 5PM, Henry T. Horton, Paul Jan 22 '13 at 2:20

This question has been asked before and already has an answer. If those answers do not fully address your question, please ask a new question.

Yes – user53153 Jan 22 '13 at 0:52
@5PM: I saw that post, but it looked much more advanced and I incorrectly assumed that it wouldn't contain a solution to my simple problem. Thanks for pointing this out. – Justin Campbell Jan 22 '13 at 1:34
Others:… and… (for which answers weren't posted). – Jonas Meyer Jan 22 '13 at 2:00

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