Complex Flows: HYKE Conference on Complex Flows: Analytical and Numerical Methods for Kinetic and Hydrodynamic Equations. Bellaterra, Barcelona, Spain; 6-9 October 2004.
Fluid Mechanics: Workshop in honor of Amable Liñán. Granada, Spain; 16--18 September 2004.
Granular and Particle-Laden Flows: Research session at the Isaac Newton Institute, Cambridge, UK; 1 September -- 19 December 2003.
Mathematical Hydrodynamics: Models and Methods: Dedicated to the 70th Anniversary of Professor Victor Yudovich. Rostov on Don, Russia; 4--8 October 2004.
Non-Uniqueness of Solutions to the Navier-Stokes Equations and their Connection with Laminar-Turbulent Transition: Jointly sponsored by IUTAM and the London Mathematical Society. Burwalls Conference Centre, Bristol, UK; 9--11 August 2004.