books.google.com - Advanced undergraduates and graduate students studying quantum mechanics will find this text a valuable guide to mathematical methods. Emphasizing the unity of a variety of different techniques, it is enduringly relevant to many physical systems outside the domain of quantum theory.Concise in its presentation,...https://books.google.com/books/about/Mathematics_for_Quantum_Mechanics.html?id=qt9dc2ea6E4C&q=interval+a,b&utm_source=gb-gplus-shareMathematics for Quantum Mechanics

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## Mathematics for Quantum Mechanics: An Introductory Survey of Operators ...By John David Jackson |