Click on the links where available to download the papers in postscript format. Unfortunately a few of the files are unavailable at the moment. Sorry about that.

H. Lamba and C.J. Budd,
``The scaling of Lyapunov exponents at nonsmooth
bifurcations''. Phys. Rev. E** 50 ** pp 84--90 (1994).
Postscript
file

H. Lamba,
``Regular, chaotic and unbounded behaviour in the elastic
impact oscillator''. Physica D**82 ** pp 117--135 (1995).
Sorry, not currently available.

M. Grinfeld, P. Knight and H. Lamba, ``On the periodically
perturbed logistic equation''. J. Phys. A** 29 **
pp 8035--8040 (1996).
Postscript
file

H. Lamba, M. Grinfeld, S. McKee and R. Simpson,
``Subharmonic ferroresonance in an LCR circuit with hysteresis
''. IEEE Transactions on Magnetics **33 ** pp 2495--2500 (1997).
Postscript
file

H. Lamba, S. McKee and R. Simpson,
``The effect of circuit parameters on ferroresonant solutions in an LCR circuit
''. J. Phys. A. **31 ** pp 7065-7076 (1998).
Postscript
file

H. Lamba and A.M. Stuart,
``Convergence results for the MATLAB ode23 routine''. BIT, **38 **
pp 751--780 (1998).
Postscript
file

H. Lamba and A.M. Stuart, ``Convergence Proofs for Numerical IVP Software''. IMA Volumes in Mathematics and its Applications (1999). Postscript file

L. Piscitelli, M. Grinfeld, H. Lamba and R. Cross, ``On entry
and exit in response to aggregate shocks''. Applied Economics Letters,
**6 **
pp 569-572 (1999). Sorry, not currently available.

H. Lamba,
``Dynamical systems and adaptive timestepping in ODE solvers''.
BIT, **40 ** pp 314--335 (2000).
Postscript
file

L. Piscitelli, R. Cross, M. Grinfeld, and H. Lamba, ``A test for
strong hysteresis''. Computational Economics ** 15 ** pp 59-78 (2000).
Sorry, not currently available.

H. Lamba. ``An adaptive timestepping algorithm for stochastic
differential equations'' . J. Comp. Appl. Math ** 161** pp 417-430.
PDF
file

Frustration minimization, hysteresis and the El Farol problem (with Rod Cross, Michael Grinfeld and Anne Pittock) PDF file , "Singular Perturbations and Hysteresis", eds M.P. Mortell, R.E. O'Malley Jr., A. Pokrovskii and V. Sobolev. SIAM 2005. Pages 61--72.

A threshold model of investor psychology (with Rod Cross,
Michael Grinfeld and
Tim Seaman. Physica A ** 354 ** 463--478)
PDF
file

An adaptive Euler-Maruyama scheme for SDEs: Convergence and stability
(with Jonathan Mattingly and Andrew Stuart). IMA J. Num. Anal. ** 27 ** 479--506.
PDF
file

The effective stability of adaptive timestepping ODE
solvers (SIAM J. Num. Anal. ** 43 ** 1950--1968)
PDF
file

Mean-square stability of an
adaptive SDE solver (with Tim Seaman, J. Comp. App. Math. ** 194 ** 245--254)
PDF
file

A mean-field model of investor behaviour (with Rod Cross and
Michael Grinfeld
J. Phys.: Conf. Ser. ** 55 ** 55--62)
PDF
file

Stylized facts from a threshold-based heterogeneous agent model (with Rod Cross,
Michael Grinfeld and Tim
Seaman
). Eur. Phys. J. B ** 57** 213--218.
PDF
file

Market statistics of a psychology-based heterogeneous agent model (with
Tim Seaman), Int. J. Theor. Appl. Fin.i ** 11 ** pp 717-737, 2008
PDF
file

Rational Expectations, psychology and inductive learning via moving thresholds
(with
Tim Seaman). Phys. A.** 387 ** pp 3904-3909, 2008
PDF
file

Hysteresis and Economics (with Rod Cross and
Michael Grinfeld
, IEEE Control Systems Magazine ** 29 ** pp30-43, 2009.
PDF
file

A queueing theory description of fat-tailed
price returns in imperfect financial markets (Eur. Phys. J. B ** 77 ** pp297-304 (2010)).
PDF
file

A Mesoscopic Market Model with Hysteretic Agents (with Rod Cross and Michael Grinfeld --- to appear Discrete and Continuous Dynamical Systems) PDF file

Reflections on Soros: Mach, Quine, Arthur and Far-from-Equilibrium Dynamics (with Rod Cross, Harold Hutchinson and Doug Strachan). Journal of Economic Methodology 20, pp 357-367 (2013) PDF file