| Jul-Aug 1968 | Research Associate, University of Alberta, Edmonton. |
| Aug-Sep 1972 | Research Associate, University of Toronto. |
| Mar-Apr 1976 | Visitor, Institut des Hautes Études Scientifiques, Paris |
| August 1977 | Visitor, Department of Electrical Engineering and Computer Science,
University of California, Berkeley. |
| May-Jun 1979 | Research Associate, University of Alberta. |
| August 1979 | Visiting Professor, University of Bonn. |
| May-Jun 1980 | Research Associate, University of Alberta. |
| August 1980 | Visiting Professor, University of Bonn. |
| May-Jun 1981 | Visiting Professor, University of Bonn. |
| Jul-Aug 1981 | Research Associate, University of Alberta. |
| August 1982 | Research Associate, University of Alberta. |
| April 1983 | Visiting Professor, Technical University of Denmark. |
| June 1983 | Visiting Professor, University of Western Australia. |
| Jun-Sep 1983 | Visiting Fellow, Department of Systems Engineering, Australian National University. |
| April 1984 | Visitor, Institut des Hautes Études Scientifiques, Paris. |
| May 1984 | Guest Lecturer, Laboratory for Statistics and Probability Ottawa, Canada. |
| Spring 1986 | Distinguished Lecturer, Systems Research Center, University of Maryland. |
| May-Jul 1988 | Guest Professor, University of Konstanz, Germany. |
| May 1991 | Visiting Fellow, Department of Systems Engineering, Australian National University. |
| Jan-Mar 1992 | Visiting Fellow, Department of Systems Engineering, Australian National University. |
| Apr-May 1992 | Visiting Scientist, INRIA, Le Chesnay, France. |
| Apr-May 1992 | Visiting Professor, Université de Paris VI. |
| May 1993 | Visiting Scientist, INRIA, Le Chesnay, France. |
| July 1993 | Visiting Fellow, Department of Systems Engineering, Australian National University. |
| March 1994 | Visitor, Institute for Systems Research, University of Maryland. |
| May 1994 | Visiting Scientist, INRIA, Le Chesnay, France. |
| October 1994 | Consultant, Federal Reserve Bank, Atlanta, GA. |
| November 1994 | University of Science and Technology, Hong Kong. |
| January 1995 | Department of Electrical Engineering, University of California, San Diego, CA. |
| February 1995 | Visiting Fellow, Department of Systems Engineering, Australian National University, Canberra. |
| March 1995 | Department of Electrical and Electronic Engineering, University of
Melbourne, Australia. |
| May 1995 | Visiting Scientist, I.N.R.I.A. Le Chesnay, France. |
| May/June 1995 | Visitor, Isaac Newton Institute, University of Cambridge. |
| April/May 1996 | Visiting Professor, Université de Paris Sud, Orsay, and
Laboratoire des Signaux et Systèmes, École
Supérieure d'Électricité. |
| February 1997 | Department of Electrical & Electronic
Engineering, University of Melbourne Australia |
| April 1997 | Visiting Fellow, Department of Systems
Engineering, Australian National University, Canberra, Australia. |
| January 1998 | Visiting Professor, University of Hong Kong |
| April 1998 | Professeur Invité, Université d'Evry, France. |
| May 1999 | Visitor, Laboratoire des Signaux
et Systèmes, École
Supérieure d'Électricité. |
| June 1974 | International Symposium on Control Theory I.N.R.I.A. Rocquencourt,
France. |
| September 1974 | Advanced Study Institute on Theory and Application of Differential Games, University of Warwick, England. |
| June 1975 | Symposium on Stochastic Systems, University of Kentucky, U.S.A. |
| June 1975 | Workshop in Singular Perturbations and Control Theory, University of
Calgary, Canada. |
| August 1975 | Conference on Probability and Theoretical Physics, Institute for Advanced Studies, Dublin, Ireland. |
| June 1976 | Second Kingston Conference on Differential Games and Control Theory,
University of Rhode Island, U.S.A. |
| March 1977 | Workshop on Differential Games, Enschede, The Netherlands. |
| June 1978 | Third Kingston Conference on Differential Games and Control Theory,
University of Rhode Island, U.S.A. |
| September 1978 | Conference on the Optimization of Stochastic Systems, Oxford, England. |
| January 1979 | Workshop on Stochastic Control, Bonn, W. Germany. |
| April 1980 | British Mathematical Colloquium, Sheffield, England. |
| June 1980 | École Normale Supérieure des Telécommunications, Paris, France. |
| July 1980 | Symposium on Stochastic Integrals, Durham, England. |
| March 1981 | Meeting on Stochastic Analysis, Oberwolfach, F.R. Germany. |
| June 1981 | Conference on Stochastic Processes, Tubingen, F.R. Germany. |
| February 1982 | I.F.I.P. Working Conference on Filtering and Optimization, Cocoyoc, Mexico. |
| June 1982 | Meeting on Stochastic Systems, Bad Honnef, F.R. Germany. (Co-organizer). |
| March 1984 | I.F.I.P. Conference on Stochastic Differential Systems, Marseille, France. |
| May 1984 | Workshop on Stochastic Processes, Ottawa, Canada. |
| June 1985 | Third Conference on Stochastic Systems, Bad Honnef, F.R. Germany. |
| June 1986 | Institute of Math. and Applications, University of Minnesota. Conference on Stochastic Differential Equations and Applications. |
| July 1987 | Workshop on Diffusion Approximation, International Institute for Applied Systems Analysis, Laxenburg, Austria. |
| November 1987 | 21st IEEE Asilomar Conference on Systems, Signals and Computers. |
| April 1988 | Systems Research Center, University of Maryland. |
| June 1988 | Eighth conference on Analysis and Optimization of Systems, Antibes, France. |
| June 1988 | Fourth Conference on Stochastic Systems, Bad Honnef, F.R. Germany. |
| July 1988 | Bernoulli Society Annual Meeting, Rome, Italy. |
| November 1988 | 22nd IEEE Asilomar Conference on Systems, Signals and Computers. |
| April 1989 | Workshop on Stochastic Analysis, Imperial College, London. (Co-editor of proceedings.) |
| November 1989 | 23rd IEEE Asilomar Conference on Systems, Signals and Computers. |
| June 1990 | International Conference in Finance. École des Hautes Études Commerciales, Paris. |
| July 1990 | Symposium on Stochastic Analysis, Durham, England. |
| November 1990 | 24th IEEE Asilomar Conference on Systems, Signals and Computers. |
| December 1990 | 29th IEEE Control and Decision Conference, Honolulu, HI. |
| September 1991 | 13th IFIP Conference on System Modelling and Optimization, Zurich. |
| September 1991 | Northern Finance Association, Montreal. |
| September 1991 | Workshop on Adaptive Theory and Stochastic Control, University of Kansas, Lawrence, KS. |
| November 1991 | 25th IEEE Asilomar Conference on Systems, Signals and Computers. |
| April 1992 | Séminaire Bachelier, Universit de Paris, VI. |
| April 1992 | Séminaire, Hautes tudes Commericales, Jouy en Josas. |
| April 1992 | Séminaire, E.S.S.E.C. Cergy Pontoise. |
| May 1992 | 15th International Summer School on Stochastic Processes, Erice, Sicily. |
| August 1992 | Meeting on Mathematical Finance, Oberwolfach, Germany. |
| September 1992 | SIAM Meeting on Control, Minneapolis, MN. |
| October 1992 | 26th IEEE Asilomar Conference on Systems, Signals & Computers. |
| November 1992 | Workshop on Stochastic Control, Centre de Recherches Mathématiques, Montréal. |
| December 1992 | 31st IEEE Control & Decision Conference, Tucson AZ. |
| May 1993 | 6th IEEE Conference on Applied Stochastic Models & Data Analysis, Crete. |
| May 1993 | Seminaire, I.N.R.I.A. Le Chesnay, France. |
| May 1993 | Seminaire Bachelier, Paris. |
| July 1993 | IFAC World Congress, Sydney. |
| November 1993 | 27th I.E.E.E. Asilomar Conference on Systems, Signals & Computers. |
| December 1993 | 32nd IEEE Control & Decision Conference, San Antonio, TX. |
| March 1994 | Seminar, Systems Research Institute, University of Maryland. |
| March 1994 | Seminar, Department of Finance, University of Maryland. |
| May 1994 | Colloquium, University of Hull. |
| May 1994 | Séminaire, Université de Paris VI. |
| May 1994 | Co-organiser & speaker, Conference on Mathematical Finance, Italy. |
| June 1994 | Co-organiser & Speaker, Workshop on Filtering, Chapel Hill, NC. |
| September 1994 | Seminar, Department of Electrical Engineering, University of Waterloo. |
| October 1994 | Colloquium, Department of Mathematics, Georgia Institute of Technology. |
| October 1994 | Seminar, Department of Finance, University of Georgia. |
| November 1994 | Colloquium, University of Science and Technology, Hong Kong. |
| November 1994 | Seminar, Department of Systems Engineering, Chinese University of Hong Kong. |
| December 1994 | 33rd. I.E.E.E. Control and Decision Conference, Lake Buena Vista, FL. |
| January 1995 | Special Session on Stochastic Analysis, American Mathematical Society Meeting, San Francisco. |
| February 1995 | Seminar, Systems Research Center, Arizona State University, Tempe, AZ. |
| February 1995 | Workshop on the Mathematics of Finance, Australian National University, Canberra, Australia. |
| March 1995 | Seminar, Department of Systems Engineering, Australian National University. |
| March 1995 | Seminar, Department of Electrical and Electronic Engineering, University of Melbourne, Australia. |
| March 1995 | Seminar, Department of Mathematics, University of Adelaide, Australia. |
| March 1995 | Seminar, Cooperative Research Centre for Signals and Information
Processing, The Levels, South Australia. |
| April 1995 | Seminar, Department of Statistics, University of Auckland, New Zealand. |
| May 1995 | Journées de Statistiques, H.E.C. Jouy en Josas, France. |
| May 1995 | Séminaire, Laboratoire de Signaux et Systèmes, Supelec, Saclay, France. |
| May 1995 | Séminaire Bachelier, Paris, France. |
| June 1995 | Bank of England Conference, Isaac Newton Institute, Cambridge, England. |
| June 1995 | I.F.A.C. Symposium on Nonlinear Control System Design, Lake Tahoe, CA |
| October 1995 | 29th. IEEE Asilomar Conference on Signals, Systems and Computers. |
| December 1995 | 34th. I.E.E.E. Control and Decision Conference, New Orleans, LA |
| February 1996 | Distinguished Lecturer, Department of Electrical and Computer Engineering,
University of California, San Diego, CA. |
| April 1996 | Colloquium, University of Hull. |
| June 1996 | Invited lecturer, Conference on Mathematical Finance,
Aarhus, Denmark. |
| June 1996 | Mathematical Theory of Networks and Systems, St. Louis, MO. |
| July 1996 | S.I.A.M. Annufal Conference, Session on Mathematical Finance |
| September 1996 | Department of Mathematics, University of Victoria |
| November 1996 | Department of Finance, Arizona State University |
| January 1997 | Special Seminar on Stochastic processes,
American Mathematical Society Annual Meeting, San Diego, CA |
| April 1997 | Colloquium,
School of Mathematics, Australian National University, Canberra |
| June 1997 | Defence Science & Technology Organization, Salisbury South Australia |
| August 1997 | Keynote speaker,
Quantitative Mathematical Finance 97, Cairns, Australia |
| October 1997 | Financial Management
Association Annual Meeting, Honolulu, HI |
| November 1997 | Graduate School of Business, University
of Chicago |
| December 1997 | 36th I.E.E.E. Control and Decision Conference,
San Diego, CA |
| December 1997 | Workshop on Filtering, University of Southern
California |
| January 1998 | Department of Statistics, University of Hong Kong.
|
| June 1998 | School of Banking and Finance, University of New South Wales, Australia. |
| June 1998 | Workshop on Signal Processing, Isaac Newton Institute, University of Cambridge. |
| October 1998 | Conference in honor of R. Rishel, University of Kentucky. |
| December 1998 | 37th I.E.E.E. Control and Decision Conference, Tampa
Florida. |
| January 1999 | Lecture series, Filtering and Finance, Fields Institute,
University of Toronto. |
| Februrary 1999 | Distinguished Lecture, Department of Electrical and Computer Engineering, University of California, San Diego, CA. |
| April 1999 | Seminar, Department of Finance, University of Rotterdam. |
| May 1999 | Seminar, Department of Finance, Universita del Svizzera Italiano,
Lugano, Switzerland. |
| July 1999 | Quantitative Methods in Finance 1999, Sydney, Australia. |
| July 1999 | Seminar,
Australian Defence Science and Technology Organisation,
Salisbury SA. |
| November 1999 | Seminar, Department of Applied Mathematics, University of Adelaide. |
| November 2000 | Seminar, Department of Finance, University of Calgary. | <$
| March 2000 | Seminar, Australian National University, Canberra,
Australia. |
| March 2000 | Seminar, University of Science and Technology, Sydney, Australia. |
| April 2000 | Seminar, University of South Australia, Adelaide,
Australia. | <$
| May 2000 | Seminar, IEEE South Australia Branch, CSSIP, (Centre for Sensors,
Signals and Information Processing), Mawson Lakes, South
Australia. |
| June 2000 | Invited Presentation, Workshop on
Modern Risk Management, Ascona, Switzerland. |
| June 2000 | Bachelier World Congress,
Paris, France. |
| June 2000 | Conference on Real Options,
Cambridge, England. |
| October 2000 | Conference on Finance and Stochastics, Konstanz, Germany. |
| December 2000 | Quantitative Methods in Finance 2000, Sydney
Australia. |
| December 2000 | IEEE Conference on Decision and Control, Sydney Australia. |
| February 2001 | Australia New Zealand Applied Mathematics Meetings,
Barossa Resort, South Australia. |
| April 2001 | Universita del Svizerra Italiano, Lugano, Switzerland. |