With an extensive bibliography including classical and recent papers both in PDE analysis and in applications (mainly to gas dynamics), this text will be valuable to graduates and researchers in both hyperbolic PDEs and compressible fluid dynamics.

• THE LINEAR CAUCHY PROBLEM; THE LINEAR INITIAL BOUNDARY VALUE PROBLEM; NONLINEAR PROBLEMS; APPLICATIONS TO GAS DYNAMICS; APPENDIX

With an extensive bibliography including classical and recent papers both in PDE analysis and in applications (mainly to gas dynamics), this text will be valuable to graduates and researchers in both hyperbolic PDEs and compressible fluid dynamics.

• THE LINEAR CAUCHY PROBLEM; THE LINEAR INITIAL BOUNDARY VALUE PROBLEM; NONLINEAR PROBLEMS; APPLICATIONS TO GAS DYNAMICS; APPENDIX

With an extensive bibliography including classical and recent papers both in PDE analysis and in applications (mainly to gas dynamics), this text will be valuable to graduates and researchers in both hyperbolic PDEs and compressible fluid dynamics.

• THE LINEAR CAUCHY PROBLEM; THE LINEAR INITIAL BOUNDARY VALUE PROBLEM; NONLINEAR PROBLEMS; APPLICATIONS TO GAS DYNAMICS; APPENDIX