Overview: Includes an elementary introduction to Lie groups and Lie algebras.Uses a geometric approach that renders the text simultaneously complete and considerably short.Discusses recent topics on isometric aThis book provides quick access to the theory of Lie groups and isometric actions on smooth manifolds, using a concise geometric approach. After a gentle introduction to the subject, some of its recent applications to active research areas are explored, keeping a constant connection with the basic material. The topics discussed include polar actions, singular Riemannian foliations, cohom
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