JOURNAL of the
AUSTRALIAN MATHEMATICAL SOCIETY
Volume 70 Part 2 APRIL 2001
DEREK J. S. ROBINSON The structure of finite groups in which permutability is a transitive relation ... 143 ZENGJIAN LOU Composition operators on <y spaces ... 161 VLADIMIR RAKOCEVIC The perturbation theory for the Drazin inverse and
and YlMIN WEI its applications II . . . 189 KUNYU GUO • Essentially commutative C* -algebras with essential
spectrum homeomorphic to S2"'1 . . . 199 J. BENOIST and Dual characterizations of relative continuity ofcon-
A. DANIILIDIS vex functions ... 211 K. FARAHMAND and • Extrema of random algebraic polynomials with non-
A. GRIGORASH identically distributed normal coefficients .... 225 AKIHIRO YAMAMURA Locally full HNN extensions of inverse semigroups 235
A. KEPERT and Scale functions and tree ends ... 273
G.WlLLIS