Non-linear Partial Differential Operators and Quantization Procedures

Einstein's evolution equation for the vacuum formulated on a space of differentials of immersions.- Nonlinear sigma models on symmetric spaces.- Linearized non-abelian gauge quantum field theories.- Nonlinear wave equations.- The twistor-geometric representation of classical field theories.- Quantum kinematics on smooth manifolds.- On geometric quantization.- The frobenius reciprocity theorem from a symplectic point of view.- Quantization of models of quantum field theory with solitons.- Determination of a polarization by nonlinear scattering, and examples of the resulting quantization.- Constraints and quantization.