I'm taking a measure-theory based graduate course on Functional Analysis that covers essentially Folland's Chapter 5-9. Is there another book that I could reference that perhaps has wordier exposition that explains things in a bit more detail (not Rudin please). Thank you.
2026-05-15 12:45:07.1778849107
Functional Analysis Reference Books
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Erwin Kreyszig's book Introductory Functional Analysis is very good and I think one of the standard recommended texts. In my opinion the book is very very good with lots of clear exposition and plenty of exercises with some solutions.
It can be found here.
Hope this helps.