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May I have the list of functions satisfying various functional equations. e.g. f(x).f(y)=f(x+y) is satisfied e^x.

May I have the list of functions satisfying various functional equations. e.g. f(x).f(y)=f(x+y) is satisfied e^x. 

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1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
8 years ago
this is satisfied by exponential functions only

http://en.wikipedia.org/wiki/Functional_equation

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