The files are my solutions to the exercises in the standard Chinese textbook on functional analysis. The textbook is widely used in math departments in China. The problems are self-contained in the solution files. All contents are in English.

Please inform me of any mistakes, typos, better solutions, etc.

Vol I

Chapter 1: Metric Spaces
Chapter 2: Linear Operators and Linear Functionals
Chapter 3: Distributions and Sobolev Spaces
Chapter 4: Compact Operators and Fredholm Operators

Vol II

Chapter 5: Banach Algebra (Problem 3.5(1) is incomplete)
Chapter 6: Closed Operators (Problem 3.4 and 3.5 are incomplete)
Chapter 7: Semi-groups of Operators