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Topic: Proof of Theorem A1.19
Conf: Corrections and Errata, Msg: 13286
From: Harald Badinger (harald.badinger@wu-wien.ac.at)
Date: 7/31/2003 05:59 AM

Proof of Theorem A1.19 Harald Badinger hb harald.badinger@wu-wien.ac.at Hi,
there is a typo in the proof of theorem A1.19.
min[-f(x1),-f(x2)] cannot be equal to max[f(x1),(x2)] as stated in lines 2 and 3 of the proof.
I guess the proof should read "multiply by -1 and get -f(xt)<= -min[f(x1).f(x2)]=
max[-f(x1),-f(x2)], so -f(x) is quasiconvex."
best regards,
harald