Michel Destrade Institut Jean Le Rond d'Alembert (UMR 7190), CNRS / Université Pierre et Marie Curie, Case 162, 4 place Jussieu, 75252 Paris Cedex 05, FRANCE. Currently Professor of Applied Mathematics, School of Mathematics, Statistics, and Applied Mathematics, National University of Ireland Galway, University Road, Galway, Ireland. T: +353-91-49-2344 M: +353-83-351-3598 W: tinyurl.ie/destrade