Quaestiones Mathematicae

Editors

Journal Editor

BW GREEN
African Institute of Mathematical Sciences, Muizenberg 7945, South Africa and Department of Mathematical Sciences, Stellenbosch University, Stellenbosch 7602, South Africa
e-mail: qm@sun.ac.za

Associate Editors

JH FOURIE
School for Computer, Statistical and Mathematical Sciences,
North-West University, Potchefstroom 2520, South Africa
e-mail: Jan.Fourie@nwu.ac.za

IM REWITZKY
Department of Mathematical Sciences, Stellenbosch University, Stellenbosch 7602, South Africa
E-mail: qm@sun.ac.za

Editorial Board

B Banaschewski, McMaster University, Hamilton, Ontario, Canada
J Diestel, Kent State University, Ohio, USA
GFR Ellis, University of Cape Town, South Africa
G Frey, Essen University, Essen, Germany
R Guralnick, University of Southern California, Los Angeles, USA
KA Hardie, University of Cape Town, South Africa
M Henning, University of Johannesburg, South Africa
H Herrlich, Universität Bremen, Germany
YG Kondratiev, Universität Bielefeld, Germany
H-PA Künzi, University of Cape Town, South Africa
DS Lubinsky, Georgia Institute of Technology, Atlanta, USA
WAJ Luxemburg, California Institute of Technology, Pasadena, USA
CJ Maxson, Texas A & M University, College Station, USA
FM Mahomed, University of the Witwatersrand, Johannesburg, South Africa
H Prodinger, Stellenbosch University, Stellenbosch, South Africa
S Zlobec, McGill University, Montreal, Canada

Publishing Manager

Contact regarding all aspects relating to the production of the journal, including scheduling and copyright issues:

Mike Schramm
NISC South Africa
1 Dundas Street
PO Box 377
Grahamstown 6140
South Africa
Tel: +27 (0)46 622 9698
Fax: +27 (0)46 622 9550
e-mail: publishing@nisc.co.za