The Encyclopedia Project

This is a collection of lecture notes from my undergrad at UCSD, typeset from my handwritten notes with additional discussions or examples that help my understanding. When I was taking these courses, resources like Keith Conrad's were crucial for my learning, and in some sense this project is an attempt to pay it forward, if not be a blatant copy. I have written the proofs in a way that helps me best understand the entire reasoning, and in particular I try to avoid phrases like "clear" and "it is obvious" unless I feel that spelling out the details in full is a distraction from the proof's main argument. Please email me if you find any mistakes or have requests for different topics to be covered here; I fully intend to keep producing these notes for my future independent studies.

Abstract Algebra

MATH 100A — Group Theory

1 — 2 — 3 — 4 —

MATH 100B — Ring Theory

1 — 2 — 3 — 4 —

MATH 100C — Field & Galois Theory

1 — Review of Ring Theory 2 — 3 — 4 —

Real Analysis

MATH 140A — The Real Numbers

1 — What is Analysis? 2 — Constructing ℝ 3 — Properties of ℝ 4 — Beyond ℝ

MATH 140B — Differentiation & Integration

1 — Differentiation 2 — 3 — 4 —

MATH 140C — Multivariable Analysis & Measure Theory

1 — 2 — 3 — 4 —

Topology

MATH 190A — Point-Set Topology

1 — 2 — 3 — 4 —

MATH 190B — Algebraic Topology

1 — 2 — 3 — 4 —

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