let f: D--> D be holomorophic with f(0)=1/2 and f(1/2)=0, where D={z/ |z|<or=1}

is it possible to prove that |f '(0)|< or = 3/4

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- May 28th 2012, 05:13 AMsaravananbscomplex problem
let f: D--> D be holomorophic with f(0)=1/2 and f(1/2)=0, where D={z/ |z|<or=1}

is it possible to prove that |f '(0)|< or = 3/4 - May 28th 2012, 01:27 PMMathoManRe: complex problem
Any holomorphic function is infinitely differentiable and equal to its own Taylor series. Maybe that will get you somewhere.

- May 28th 2012, 02:25 PMsaravananbsRe: complex problem
can you please tell me the other possible bounds other than this.

thank u