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Look-alike functions.
#1
Consider the argument of An entire function within a unit radius.

If they are identical for 2 distinct entire function with that radius we call them " look-alike ".

For instance 2sinh(z+3) and exp(z+3) are look-alikes.

You might have noticed that all look-alikes to the above satisfy

F ' ' (z) = F(z).

So yes this relates to differential equations.

I think cauchy-riemann matters.

This is probably isomorphic to something well understood.


Regards

Tommy1729
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Messages In This Thread
Look-alike functions. - by tommy1729 - 03/07/2016, 09:22 PM
RE: Look-alike functions. - by hixidom - 03/08/2016, 07:10 PM

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