Critical properties of φ4-theories

Definition of [phi]4-Theory Feynman Diagrams Diagrams in Momentum Space Structural Properties of Perturbation Theory Diagrams for Multicomponent Fields Scale Transformations of Fields and Correlation Functions Regularization of Feynman Integrals Renormalization Renormalization Group Recursive Subtraction of UV-Divergences via R-Operation Zero-Mass Approach to Counterterms Calculation of Momentum Space Integrals Generation of Diagrams Results of the Five-Loop Calculation Basic Resummation Theory Critical Exponents of O(N)-Symmetric Theory Cubic Anisotropy Variational Perturbation Theory Critical Exponents from Other Expansions New Resummation Algorithm Conclusion: Diagrammatic R-Operation Up to Five Loops Contributions to Renormalization-Constants.