- 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.
