Computing Qualitatively Correct Approximations of Balance Laws

Laurent Gosse received the M.S. and Ph.D. degrees both in Mathematics from Universities of Lille 1 and Paris IX Dauphine in 1991 and 1997 respectively. Between 1997 and 1999 he was a TMR postdoc in IACM-FORTH (Heraklion, Crete) mostly working on well-balanced numerical schemes and a posteriori error estimates with Ch. Makridakis. From 1999 to 2001, he was postdoc in Universtity of L'Aquila (Italy) working on stability theory for systems of balance laws and multiphase computations in geometrical optics with K-multibranch solutions. In 2001, he moved to University of Pavia working on asymptotic-preserving schemes and degenerate parabolic equations with G. Toscani. In 2002, he was granted a permanent researcher position at CNR in Bari (Italy) where he developed Lagrangian schemes for nonlinear diffusion models and a stable inversion algorithm for Markov moment problem with O. Runborg. Numerical investigation of semiclassical WKB approximation for quantum models of crystals was conducted with P.A. Markowich between 2003 and 2006. Since 2011, he holds a CNR position at both Roma and University of L'Aquila and works mainly on the applications of Caseology to well-balanced schemes for collisional kinetic equations.

• Introduction and chronological perspective.- Lifting a non-resonant scalar balance law.- Lyapunov functional for linear error estimates.- Early well-balanced derivations for various systems.- Viscosity solutions and large-time behavior for non-resonant balance laws.- Kinetic scheme with reflections and linear geometric optics.- Material variables, strings and infinite domains.- The special case of 2-velocity kinetic models.- Elementary solutions and analytical discrete-ordinates for radiativetransfer.- Aggregation phenomena with kinetic models of chemotaxis dynamics.- Time-stabilization on flat currents with non-degenerateBoltzmann-Poisson models.- Klein-Kramers equation and Burgers/Fokker-Planck model of spray.- A model for scattering of forward-peaked beams.- Linearized BGK model of heat transfer.- Balances in two dimensions: kinetic semiconductor equations again.- Non-conservative products and locally Lipschitzian paths.- A tiny step toward hypocoercivity estimates for well-balanced schemes on 2x2 models.- Preliminary analysis of the errors for Vlasov-BGK.

From the reviews:“The overall goal of the book is therefore to explain how to derive accurate numerical approximations of solutions to balance laws. … Each chapter includes comments and historical notes, as well as a list of references. … should be of interest to researchers willing to learn well-balanced techniques.” (Jean-François Coulombel, Mathematical Reviews, January, 2014)“This book under review gives a systematized and impressive account of the research of the author … written in a well understandable English with some Romanic flavour and featured by a large amount of physical details in this mathematical text, and of pictures showing computing results, often in colours. … a book interesting for mathematical researchers in partial differential equations and for physicist, bringing a wealth of fresh ideas and methods much improving the time splitting approach.” (Gisbert Stoyan, zbMATH, Vol. 1272, 2013)