Table of Contents: “... -- The Quantum Action Principle -- The Action Principle in Quantum Field Theory -- Quantum Field Theory on Space-Like Hypersurfaces -- Lagrangian Formulation of Gauge Theories -- Effective Actions (Lagrangians) in Quantum Field Theory -- Modified Photon Propagation...”

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Table of Contents: “... Perturbation Theory, KAM Theorem -- Poincaré Surface of Sections, Mappings -- The KAM Theorem -- Fundamental Principles of Quantum Mechanics -- Functional Derivative Approach -- Examples for Calculating Path Integrals -- Direct Evaluation of Path Integrals -- Linear...”

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Table of Contents: “... Perturbation Theory, KAM Theorem -- Poincaré Surface of Sections, Mappings -- The KAM Theorem -- Fundamental Principles of Quantum Mechanics -- Functional Derivative Approach -- Examples for Calculating Path Integrals -- Direct Evaluation of Path Integrals -- Linear...”

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Table of Contents: “... Perturbation Theory, KAM Theorem -- Poincaré Surface of Sections, Mappings -- The KAM Theorem -- Fundamental Principles of Quantum Mechanics -- Functional Derivative Approach -- Examples for Calculating Path Integrals -- Direct Evaluation of Path Integrals -- Linear...”

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Table of Contents: “... -- 13. Superconvergent Perturbation Theory, KAM Theorem (Introduction) -- 14. Poincaré Surface of Sections, Mappings -- 15. The KAM Theorem -- 16. Fundamental Principles of Quantum Mechanics -- 17. Functional Derivative Approach -- 18. Examples...”

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Table of Contents: “...Nonlinear Electrodynamics: Quantum Theory -- Nonlinear Electrodynamics: Effective-Action Approach -- QED in Two Spatial Dimensions -- Scattering of Light by Light....”

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Table of Contents: “... (Introduction) -- 13. Poincaré Surface of Sections, Mappings -- 14. The KAM Theorem -- 15. Fundamental Principles of Quantum Mechanics -- 16. Examples for Calculating Path Integrals -- 17. Direct Evaluation of Path Integrals -- 18. Linear Oscillator with Time...”

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Table of Contents: “... (Introduction) -- 13. Poincaré Surface of Sections, Mappings -- 14. The KAM Theorem -- 15. Fundamental Principles of Quantum Mechanics -- 16. Examples for Calculating Path Integrals -- 17. Direct Evaluation of Path Integrals -- 18. Linear Oscillator with Time...”

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Subject (ZB): “...Quantum field theory....”

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Subject (ZB): “...Quantum computers....”

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