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“Overall, the book is clearly written, quite pleasant to read, and contains a lot of important material; and the authors have done an excellent job at balancing theoretical developments, interesting examples and exercises, numerical experiments, and bibliographical references.” (SIAM)
“This is the third edition, based on a graduate course taught by the authors at the University of Iowa for many years. … There are tons and tons of well chosen explicit examples. … it can be used for reading courses in functional analysis for strong senior undergraduates that aren’t quite ready for a graduate analysis course, and it can be used as a reference for analysts of all stripes. I got a lot from reading it and so will you.” (Andrew Locascio, The Mathematical Association of America, October, 2010)