publications  and  research output

last updated June 2005


 

FINANCIAL ENGINEERING 

see also MatLab toolboxes on Financial Cybernetics in collaboration with T. Gebbie, et al  (link)

 

[1]    On the analysis of cross correlations in South African market data (with T.Gebbie), Physica A, Volume 344, Issues 1-2 , 

         1 December 2004, Pages 294-298 [Applications of Physics in Financial Analysis 4 (APFA4)] (link)

[2]    An analysis of cross correlations in South African market data (with T.Gebbie), http://arxiv.org/abs/cond-mat/0402389,

    under review for publication

[3]    Periodicity and scaling of eigenmodes in an emerging market (with T. Gebbie),   http://arxiv.org/abs/cond-mat/0404416,

         under review for publication

 


 

OPERATOR THEORY

[4]    Adjoint Characterisations of Quasi-weakly Compact Linear Relations (with T. Alvarez  and R.W. Cross),   

         J. Math. Anal. Appl., 277 (2002) 257-271 (link)

[5]    Multivalued Linear Projections (with R.W. Cross) ,  Quaestiones Mathematicae, 25 (2002) 503-512

[6]    Quantities related to upper and lower semi-Fredholm type linear relations (with T. Alvarez  and R.W. Cross),

    Bull. Austral. Math. Soc. Vol. 66 (2002) , 275-289.

[7]    Multivalued Fredholm type Operators with Abstract Generalised Inverses (with T. Alvarez and R.W. Cross), 

   J. Math. Anal. Appl.  261 (2001),  403--417. (link)

 


 

GENERAL INTEREST

I wrote some of these articles to make the knowledge freely available in a fun form and others I wrote for self-clarification. You free to republish them. I only ask the following:

[1] On  mathematics education  in South Africa and  the relevance of popularising mathematics, 1999 (edited in August 2003)

[2] Lecture notes on PDE and derivative securites (link)

[3]  On women, stereotypes and minorities in science - some notes for undergraduates (link)

[4]  Mathematics for computer games - talk presented to high school students, Aug 2004 [slideshow  (very slow), pdf (small), pdf slides (full size)]

 


UNPUBLISHED

[1]    Perturbation Theory and Stability of the Index of  Multivalued Fredholm Operators with  Generalised Inverses, 

        (with T. Alvarez, and R.W. Cross),  preprint

[2]   On Lomonosov's Invariant Theorem for  Multivalued Linear Operators,  preprint

[3]   Essential Spectra for Multivalued Linear Operators, preprint

[4]   The Baire property and the Domains of Iterates of Multivalued Linear Operators, preprint