“One of the symptoms of an approaching nervous breakdown is the belief that one’s work is terribly important.” ― Bertrand Russell

Real Analysis (2021)

References:[1]Real analysis: modern techniques and their applications, Gerald B. Folland [2]Real analysis:measure theory, integration and Hilbert spaces, Elias M. Stein, Rami Shakarchi [3]Real and Complex Analysis, Rudin [4]Measure Theory, Cohn

Ⅰ.Lebesgue Measure: Properties, Integration Theory, and Differentiation Theory

Ⅱ.Abstract Measure: Properties, Integration Theory, and Differentiation Theory

Ⅲ.Radon Measure: Representation, Reguarity, Duality, and Product measure

Ⅳ.Hausdorff Measure: Properties and Self-similarity

Ⅴ.Haar Measure on LCH topological groups

A Problem of Measure

Complex Analysis (2021)

References:[1]Complex analysis, Elias M. Stein, Rami Shakarchi [2]Invitation to Complex Analysis, Ralph P. Boas [3]Complex analysis, Ahlfors L.[4]Real and Complex Analysis,Rudin

Ⅰ.Preliminaries

Ⅱ.Holomorphic Functions

Ⅲ.Meromorphic Functions

Ⅳ.Holomorphic Extension

Ⅴ.Harmonic Functions

Ⅵ.Conformal Mappings

Ⅶ.Linear Fractional Transformations

Ⅷ.Entire Functions

Ⅸ.Fourier Transformations in Complex Domain

Differential Manifolds (2021)

In fact, most manifolds in my notes are SMOOTH.

Reference:[1]Manifolds, Ed Segal [2]Introduction to Manifolds, Loring W. Tu

Ⅰ.Topological Manifolds

Ⅱ.Submanifolds

Ⅲ.Smooth Functions

Ⅳ.Tangent Space

Ⅴ.Vector Field

Ⅵ.Cotangent Space

Ⅶ.Differential Forms

Ⅷ.Integration

Ordinary Differential Equations (2022)

Reference:[1]常微分方程教程,丁同仁; 李承治(primary)[2]Ordinary Differential Equations and Dynamical Systems, Gerald Teschl

Ⅰ.Preliminary

Ⅱ.Solve by Integration

Ⅲ.Existence and Uniqueness

Ⅳ.Singular Solutions

Ⅴ.Parameters and Initial Value in High Order Equations

Ⅵ.High Order Linear Equations

Ⅶ.Solve by Power Series

Ⅷ.Preliminary Dynamic System

General Topology (2021)

I will “refresh” the note which’s totally a DISASTER because it’s my first time to make a note.

References:[1]Topology, James R. Munkres(primary) [2]Lectures on Basic Topology, Chengye You

Set Theory and General Topology

Topological Group(Refreshed)

Advanced Algebra (2021)

I will “refresh” the note which’s totally a DISASTER because it’s my first time to make a note.

References:[1]Algebra, Thomas W. Hungerford(primary) [2]Abstract algebra, David S. Dummit, Richard M. Foote

Ⅰ.Groups and Preliminary Category Theory

Ⅱ.Rings, Modules and Fields