Identity theorem for Riemann surfaces
- Identity theorem for Riemann surfaces
In mathematics, the identity theorem for Riemann surfaces is a theorem that states that a holomorphic function is completely determined by its values on any subset of its domain that has a limit point.
tatement of the theorem
Let and be Riemann surfaces, let X be connected, and let be holomorphic. Suppose that for some subset that has a limit point, where denotes the restriction of to . Then (on the whole of ).
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