What are the best books that discuss the theory of Hilbert spaces and their applications to quantum mechanics for the beginners
1 Answer
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Quantum Mechanics in Hilbert Space , by E. Prugovecki;
http://digitalcommons.calpoly.edu/cgi/viewcontent.cgi?article=1007&context=mathsp
Hilbert Space Operators in Quantum Physics, by J. Blank, P.Exner, M. Havlícek