Schwinger terms and cyclic cohomology.- The *-exponential.- The quantum spherical pendulum.- Singletons as a basis for composite conformal quantum electrodynamics.- Some aspects of deformation theory and quantization.- Quantum physics and gravitation.- The Schwartzian derivative and the conformal geometry of the Lorentz hyperboloid.- Deformations and geometric (KMS)conditions.- Fundamental implications of irreversibility.- Harmonic 2-spheres.Springer Book Archives