Dr Brad Baxter
I left Imperial College some time ago, in 2001, and now teach at
Birkbeck College,
another part of the University of London.
Room 755
+44 20 7631 6453(office), +44 7931 751328
Email: b.baxter@bbk.ac.uk
Address: Birkbeck College, Malet Street, London WC1E 7HX
Research Interests :
- General Research interests : Numerical Analysis
- Particular Research Interests : Approximation theory, numerical
linear algebra, concentration of measure, mathematical finance
Sivakumar ( Math Dept, Texas A&M University ) and I have
worked together on several papers.
My Birkbeck Data Mining coursework
My Numerical Analysis course given at Imperial
M2N1
My Mathematical Finance course at Imperial:
Click here
Other courses :
Click here
Some papers :
Conditionally positive functions and p-norm
distance matrices, Constructive Approximation 7
(1991), 427--440.
On the asymptotic behaviour of the span
of
translates
of the multiquadric $\phi(r)=(r^2 + c^2)^{1/2}$ as $c \to \infty$, Comput.
Math. Applic. 24 (1994), 1--6.
(with C. A. Micchelli) Norm estimates for
the
$\ell^2$
inverses of multivariate Toeplitz matrices, Numerical Algorithms1
(1994), 103--117.
Norm estimates for inverses of Toeplitz
distance
matrices, J. Approx. Theory 79 (1994), 222--242.
(with N. Sivakumar and J. D. Ward)
Regarding
the
p-norms of radial basis interpolation matrices, Constructive
Approximation 10 (1994), 451--468.
(with N. Sivakumar) On shifted cardinal
interpolation
for the Gaussian and the multiquadric, J. Approx. Theory 87
(1996), 36--59.
(with A. Iserles) On approximation by
exponentials,
in Annals of numerical Mathematics Vol 4, 1997.
(with S. Hubbert) Radial basis functions
for
the
sphere. In Progress in Multivariate Approximation,
Volume 137 of the International Series of Numerical Mathematics,
Birkhauser,
2001.
Preconditioned conjugate gradients,
radial basis functions and Toeplitz matrices. In Comput.
Math. Applic. 43 (2001),
305--318.
Positive definite functions on
Hilbert
space. In East Journal of
Approximation 10 (2004),
269--274.
Rapid Evaluation of Conditionally Negative Definite
Functions, Journal of Computational and Applied
Mathematics 180
(2005), 51-70.
Scaling
radial basis functions via Euclidean distance matrices. In Comput. Math. Applic. 51 (2006), 1163--1170.
A covariance matrix
inversion problem arising from the construction of phylogenetic trees.With
Tom Nye and Wally Gilks. In LMS
Journal of Computation and Mathematics 10 (2007), 119--131.
(with R. Brummelhuis) Exponential
Brownian Motion and Divided Differences.
My PhD dissertation :
Tom and Anna in 2000. I shall add a picture of Theo soon too. I
really should add some more recent images . . .
