Mar 8, 2016 · Functional analysis is finding an unknown in terms of an infinite series of functions. The simplest example being 'Fourier analysis' which is a general solution of the empty-space …

Dec 2, 2015 · If anything unrelated is called functional analysis, then it must be a very useful branch of mathematics, quite trivially. But if we stick to some Wikipedia definitions, then …

Oct 11, 2015 · I am looking for excellent VIDEO lectures on functional analysis. They should be (1) in English (2) the video quality and voice is good (3) the lecture should not be presented in …

5 days ago · Functional analysis, the study of infinite-dimensional vector spaces, often with additional structures (inner product, norm, topology), with typical examples given by function …

Jun 4, 2019 · The reason Sobolev spaces are so effective for PDEs is that Sobolev spaces are Banach spaces, and thus the powerful tools of functional analysis can be brought to bear. In …

Jul 20, 2021 · Breziz book on functional analysis is also a great book, specially for a PDE oriented person; volume 4 of Simon's analysis books has classic and new material and plethora of …

Jun 27, 2020 · What is the difference between Real Analysis, Mathematical Analysis, Functional Analysis, and Calculus? And is Analysis is the general field to all of them?

I was wishing to start studying by myself the book Functional Analysis by Yosida, does anyone have already used it, is it a good reference?

14 Erwin Kreyszig, Introductory Functional Analysis with Applications This book has solutions to all odd numbered questions at the back, so you can attempt to work on the problems first, and …

Apr 8, 2012 · Functional analysis is in some sense the "good" infinite-dimensional analogue of linear algebra that you need to do analysis. Namely, if you study functional analysis you will …