edited by Wolfhard Janke (Universität Leipzig, Germany), Axel Pelster (Freie Universität Berlin, Germany), Michael Bachmann (Freie Universität Berlin, Germany), & Hans-Jürgen Schmidt (Universität Potsdam, Germany)

This volume covers the following fields: path integrals, quantum field theory, variational perturbation theory, phase transitions and critical phenomena, topological defects, strings and membranes, gravitation and cosmology.

• Path Integrals and Quantum Mechanics:
  • Semiclassical Quantum Mechanics: A Path-Integral Approach (B R Holstein)
  • Conjecture on the Reality of Spectra of Non-Hermitian Hamiltonians (C M Bender et al.)
  • Time-Transformation Approach to q-Deformed Objects (A Inomata)
  • Characterizing Volume Forms (P Cartier et al.)
  • Vassiliev Invariants and Functional Integration (L H Kauffman)
• Quantum Field Theory:
  • Dynamical Fermion Masses Under the Influence of Kaluza–Klein Fermions in Randall–Sundrum Background (H Abe et al.)
  • From Z Operator to SO(10), Neutrino Oscillations, and Fermi–Dirac Functions for Quark Parton Distributions (F Buccella)
• Variational Perturbation Theory:
  • Note on the Path-Integral Variational Approach in Many-Body Theory (J T Devreese)
• Phase Transitions and Critical Phenomena:
  • Nanosymptotic Critical Behavior from Field Theory (C Bagnuls & C Bervillier)
  • From Superfluid ³He to Triplet Superconductor Sr₂RuO₄ (K Maki & H Won)
• Topological Defects, Strings, and Membranes:
  • Description of Vorticity by Grassmann Variables and an Extension to Supersymmetry (R Jackiw)
  • Non-Equilibrium Worldline Duality in Condensed Matter (R J Rivers)
  • Random Paths and Surfaces with Rigidity (B Durhuus)
  • Path Integrals in Quantum Cosmology (C Kiefer)
  • and other papers