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Math Forum » Discussions » sci.math.* » sci.math.independent

Topic: Complex analysis question
Replies: 10   Last Post: Jan 2, 2013 2:47 PM

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ksoileau

Posts: 74
From: Houston, TX
Registered: 3/9/08
Complex analysis question
Posted: Jan 2, 2013 7:19 AM
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Does anyone know of an easy proof of the following:

If f is analytic inside and on a contour C, and f has constant modulus inside and on C, then f is constant inside and on C.

Thanks for any replies!
Kerry M. Soileau

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