I am a member of the following learned associations respectively societies:

International Association of Mathematical Physics (IAMP), since 1974;
American Mathematical Society (AMS), 1987 - 2010;
South African Mathematical Society (SAMS), since 1989;
South African Gravity Society (SAGS), since 1995;
International Association for Analysis, its Applications and Computation (ISAAC), since 1997;

Professional Activities

I have written respectively I write referee reports for the following journals: Annales de l'Institut Henri Poincaré Sect. A, Applicable Analysis, Communications in Mathematical Physics, Communications on Applied Nonlinear Analysis, Complex Analysis, Journal of Mathematical Physics, Questiones Mathematicae. In addition I have helped the Foundation of Research Development (RFD) respectively the National Research Foundation of South Africa (NRF) in personal assessements of many colleagues.

Editorial Work   

for journals: Associate Editor of Applicable Analysis

for Proceedings of conferences and summer schools:

Proceedings of the international conference Theoretical and experimental foundations of recent quantum technologies, 10-14 July 2006, Durban. In: The European Physical Journal Special Topics Vol. 159 No. 1 (May 2008). Editors: Ph. Blanchard, E. Brüning, and F. Petruccione. Springer-Verlag Berlin Heidelberg New York 2008.

Theoretical Foundations of quantum information processing and communication. Lecture Notes  of the 13 th Chris Engelbrecht Summer School in Theoretical Physics, 14-24 January 2007, Dolphin Coast, KZN.
Editors: E. Brüning and F. Petruccione. Lecture Notes in Physics. Springer-Verlag Berline Heidelberg New York; to appear

Organization of Conference/Workshops

As co-organizer, chief organizer respectively scientific director I was responsible for 7 international and 5 national respectively regional conferences, workshops or summer schools.

Service in professional associations/societies

ISAAC: member of Board since 1997; Vice President 2001-2003, 2005 - 2007 and 2007 - 2009;

SAMS: Vice President 1999 - 2001, President 2001 - 2003, Treasurer 2005 - 2007;

South African delegate at the General Assembly of the IMU 2010 in Bangalore, India;


Host of many international visitors and 2 postdoctoral fellows, through FRD respectively NRF funds.