The composition of two derivatives has a fixed point.

Marianna Csörnyei, Toby C O'Neil and David Preiss

Appeared in Real Analysis Exchange, 26 (2001) 749-760.

Abstract

We show that the composition of two Darboux Baire-1 functions from the unit interval to itself has a fixed point.

A postscript file of the preprint version (203K) is available.

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Created:11 September 2000
Modified:7th March 2001