Quaestiones Mathematicae

Editor-in-Chief

S TER HORST 

Research Focus Area: Pure and Applied Analytics, North-West University, Potchefstroom, South Africa
e-mail:  sanne.terhorst@nwu.ac.za

Associate Editors

J BANASIAK
Department of Mathematics and Applied Mathematics, University of Pretoria, Hatfield,  South Africa
e-mail: jacek.banasiak@up.ac.za
D HOLGATE
Department of Mathematics and Applied Mathematics, University of the Western Cape, Bellville, South Africa
e-mail: dholgate@uwc.ac.za
G JANELIDZE
Department of Mathematics and Applied Mathematics, University of Cape Town, Rondebosch, South Africa
e-mail: george.janelidze@uct.ac.za
JG RAFTERY
Department of Mathematics and Applied Mathematics, University of Pretoria, Hatfield, South Africa
e-mail: james.raftery@up.ac.za   
IM REWITZKY
Department of Mathematical Sciences, Stellenbosch University, Stellenbosch, South Africa
e-mail: rewitzky@sun.ac.za
BA WATSON
School of Mathematics, University of the Witwatersrand, Johannesburg, South Africa
e-mail: bruce.watson@wits.ac.za
L VAN WYK
Department of Mathematical Sciences, Stellenbosch University, Stellenbosch, South Africa
e-mail: Ivw@sun.ac.za  

Honorary and Advisory Board

T DUBE, University of South Africa, South Africa
B GREEN, African Institute for Mathematical Sciences, South Africa
K GROBLER, North-West University, South Africa
N SAUER, University of Pretoria, South Africa  

Submissions

All submissions should be made online at the Taylor & Francis Submissions Portal (https://rp.tandfonline.com/submission/create?journalCode=TQMA).  

Editorial Board

M Ali, University of Witwatersrand, South Africa
O Blasco, Universitat de Valencia, Spain
F Breuer, University of Newcastle, Australia
R Brits, University of Johannesburg, South Africa
MM Clementino, University of Coimbra, Portugal
DS Cvetković-Ilić, University of Nis, Serbia
E Czabarka, University of South Carolina, USA
V Drensky, Bulgarian Academy of Sciences, Bulgaria
M Domokos, Alfred Renyi Institute of Mathematics, Hungary
V Futorny, University of Sao Paulo, Brazil
M Galewski, Institute of Mathematics, Lodz University of Technology, Poland
A Goswami, University of Johannesburg, South Africa
K Govinder, University of KwaZulu-Natal, South Africa
M Gran, Université Catholique de Louvain, Belgium
M Henning, University of Johannesburg, South Africa
C Heuberger, Alpen-Adria-Universität Klagenfurt, Austria
M Langer, University of Strathclyde, Scotland, UK
J Lynd, University of Louisiana, USA
F Luca, Stellenbosch University, South Africa
M Möller, University of Witwatersrand, South Africa
T Moraschini, University of Barcelona, Spain
J Picado, University of Coimbra, Portugal
D Ralaivaosaona, Stellenbosch University, South Africa.
J Ratzkin, University of Würzburg, Germany
A Rhandi, University of Salerno, Italy
FG Russo, University of Camerino, Italy
J Sarkar, Indian Statistical Institute, India
S Schroll, University of Leicester, United Kingdom
V Troitsky, University of Alberta, Canada
JH van der Walt, University of Pretoria, South Africa
S Wagner, Uppsala University, Sweden

Publishing Manager

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

Dr. Kelly-Anne Frith
NISC (Pty) Ltd
4 Speke Street
PO Box 377
Makhanda 6140
South Africa
Tel: +27 (0)46 622 9698
Fax: +27 (0)46 622 9550
e-mail: publishing@nisc.com

Published in association with the South African Mathematical Society.