Contents: From Invariance Groups to Field-Theoretical Anomalies: Introduction Investigation of the Invariance Group in the Three Fundamental Fields Model A Consistent Operator Solution for the Thirring Model Lagrangian Method for Chiral Symmetries Structure of Phenomenological Lagrangians The Conformal Invariance in Quantum Field Theory Scale Invariance, Conformal Invariance, and the High Energy Behavior of Scattering Amplitudes Consequence of Anomalous Ward Identities Supersymmetry and Supergravity: Introduction Supergauge Transformations in Four Dimensions A Langrangian Model Invariant under Supergauge Transformations Supersymmetry and Internal Symmetry Supergauge Invariant Extension of Quantum Electrodynamics Superspace Formulation of Supergravity The Component Formalism Follows from the Superspace Formulation of Supergravity Supersymmetry Breaking through a Cosmological Constant Quantum Groups and Non-Commutative Spaces: Introduction Covariant Differential Calculus on the Quantum Hyperplane A q-deformed Lorentz Algebra A q-deformed Poincaré Algebra Representations of a q-deformed Heisenberg Algebra Dynamical Symmetries in q-deformed Quantum Mechanics Non-commutative Euclidian and Minkowski Structures Gauge Theory on Non-Commutative Spaces The Standard Model on Non-Commutative Space-Time Gauge Theories on Non-Commutative Spaces as a Background of the Future Physics? Biographical Writings: Autobiography Curriculum Vitae Bibliographyweiterlesen