A high-impact factor, prestigious annual publication containing invited surveys by subject leaders: essential reading for all practitioners and researchers.Acta Numerica is a high-impact factor, prestigious, annual publication containing invited surveys by leading researchers in numerical mathematics and scientific computing. The surveys present overviews of recent developments in their area and provide 'state-of-the-art' techniques and analyses. It is essential reading for all practitioners and researchers.Acta Numerica is a high-impact factor, prestigious, annual publication containing invited surveys by leading researchers in numerical mathematics and scientific computing. The surveys present overviews of recent developments in their area and provide 'state-of-the-art' techniques and analyses. It is essential reading for all practitioners and researchers.Acta Numerica is a high-impact factor, prestigious, annual publication containing invited surveys by leading researchers in numerical mathematics and scientific computing. The surveys present overviews of recent developments in their area and provide 'state-of-the-art' techniques and analysis. It is essential reading for all practitioners and researchers.1. Numerical solution of saddle point problems M. Benzi, Gene H. Golub and J?rg Liesen; 2. Computation of geometric partial differential equations and mean curvature Klaus Deckelnick, Gerhard Dziuk and Charles M. Elliott; 3. Random matrix theory Alan Edelman and N. Raj Rao; 4. Numerical methods for large-scale nonlinear optimization Nick Gould, Dominique Orban and Philippe Toint; 5. Computational chemistry from the perspective of numerical analysis Claude Le Bris; 6. Steady-state convection-diffusion problems Martin Stynes; 7. Total variation and level set methods in image science Yen-Hsi Richard Tsai and Stanley Osher.