How do you derive an explicit solution to a functional equation using complex analysis?
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Can there be only one extension to the factorial?
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Complex analysis : If $z =re^{i\theta}$, then prove that $|e^{iz}| =e^{-r\sin\theta}$
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Complex Analysis Question from Stein
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Intuition Behind Maximum Principle (Complex Analysis)
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Exercise 16 from chapter 3 of Stein & Shakarchi's complex analysis
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Complex analysis integration question
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DSolve gives complex function although the solution is a real one
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Functional equations leading to sine and cosine
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finding $\int_0^\infty \dfrac{dx}{1+x^4}$ through complex analysis
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The functional equation $ f \big( x - f ( y ) \big) = f \big( f ( y ) \big) + x f ( y ) + f ( x ) - 1 $
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Functional equation $f(r \cos \varphi)+f(r \sin \varphi)=f(r)$
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A complex analysis problem to prove an inequality
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Roots to an equation using analysis
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Line integration in complex analysis
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How to show that $f(z) = f(i)$
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Finding an Inverse Function and Composition of Functions?
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Complex Analysis analytic function problem