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These papers, taken together, give a complete and consistent presentation of instanton calculus in non-Abelian gauge theories, as it exists now. The papers show how the instanton solution has been found, the motivation behind it and how the physical meaning of instantons has been revealed.

Quantum field theory is the basis of our modern description of physical phenomena at the fundamental level. This systematic and comprehensive text emphasizes nonperturbative phenomena and supersymmetry. It includes a thorough discussion of various phases of gauge theories, extended objects and their quantization, and global supersymmetry from a modern perspective. This Second Edition is revised to include topics developed in the last decade, including higher-form global symmetries and their applications, anomalies in supersymmetric theories beyond Ferrara–Zumino, and non-Abelian...