UK Nonlinear News, May 1996


New Nonlinear Group at Manchester

In September 1996 Tom Mullin will be moving with his research group from Oxford to a Chair in Physics at Manchester University. A Nonlinear Dynamics Group will be established there with research in a similar vein to that carried out at Oxford ie hydrodynamic instabilities, LCD, MHD, non-Newtonian flows, vibrating and impacting beams.

Two EPSRC research studentships are available for work in these fields. It is anticipated that two Lectureships will be established. The first of these is advertised in this issue and the second may become available at the end of this calendar year.

This development will mean that a strong centre for nonlinear dynamics will be established in Manchester since the new group will join forces with the one already established at UMIST by Prof. Dave Broomhead.

Source: Tom Mullin (

Wanted: ANM Spring School 1997

The Applied Nonlinear Mathematics Programme of the EPSRC is seeking expressions of interest in organizing a short course in applied nonlinear mathematics for postgraduate students on behalf of EPSRC. Previous schools of this type have been held in the University of Bristol in 1996, University of Surrey in 1995 and University of Leeds in 1994.

Interested parties should contact the chairman of the programme
Professor S. J. Hogan ( ,
Department of Engineering Mathematics,
Queen's Building, University Walk Bristol, BS8 1TR
for further information by 21st June 1996.

C. Grebogi Seminar Tour

Celso Grebogi of the Department of Mathematics, University of Maryland, USA, will tour various "North British" UK mathematics departments giving a series of lectures from May 28th to June 6th.

For more details see this month's Meetings and Conferences section.

Calcium waves: collaborators sought

I am looking for a collaborator for understanding propagation of ultraslow calcium waves, probably responsible for differentiation of tissues in embryos. Typical speed is 3 microns/min. There are two kinds: contraction waves, propagating as a furrow (100 microns wide and deep on a 2mm diameter axolotl embryo, for example, propagating through cells 50 microns deep, with a broader surface depression of 500 microns), and expansion waves, for which we have little data so far.

Key references:

Bjorklund, N. K. & R. Gordon (1994). Surface contraction and expansion waves correlated with differentiation in axolotl embryos. I. Prolegomenon and differentiation during the plunge through the blastopore, as shown by the fate map. Computers & Chemistry 18(3), 333-345.

Brodland, G. W., R. Gordon, M. J. Scott, N. K. Bjorklund, K. B. Luchka, C. C. Martin, C. Matuga, M. Globus, S. Vethamany-Globus & D. Shu (1993). Furrowing surface contraction wave coincident with primary neural induction in amphibian embryos. J. Morph. 219, 131-142.

Gordon, R., N. K. Bjorklund & P. D. Nieuwkoop (1994). Dialogue on embryonic induction and differentiation waves. Int. Rev. Cytol. 150, 373-420.

Contact: Richard Gordon (
Department of Radiology, University of Manitoba
ON104, HSC, 820 Sherbrook Street, Winnipeg, MB R3A 1R9 Canada
Phone: (204) 789-3828, Fax: (204) 787-2080

Prix Poincaré 1995

A not-so-recent new:

Last November 1994 there was awarded, for the first time, the "Prix 1995 Henri Poincaré", issued by The Institut Henri Poincaréand Gauthier Villars. The recipients of the prize were:

N.S. Trudinger for the paper "Isoperimetric inequalities for quermassintegrals" published on Ann. H. Poincaré-Analise non lineaire;

L. Chierchia and G. Gallavotti for the paper "Drift and diffusion in phase space" published on Ann. H. Poincar&eacute-Physique Theorique;

J. Picard for the paper "Barycentres et martingales sur une variete" published on Ann. H. Poincar&eacute-Probabilites et Statistiques.

Source: Luigi Chierchia (

So can anyone inform us who won last year's prizes ? - Eds

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Last Updated: 8th May 1996.