18.100B | Spring 2025 | Undergraduate, Graduate

Real Analysis

Readings

Readings are assigned in Thomson, Brian S., Judith B. Bruckner, and Andrew M. Bruckner. 2008. Elementary Real Analysis. 2nd ed. ISBN: 9781434843678

A screen-optimized PDF version of the textbook is available.         

A print-optimized PDF version of the textbook is available.                      

Lec # Lecture Title Readings 
1 Introduction to Real Numbers Sec. 1.1–1.4
2 Introduction to Real Numbers (cont.) Sec. 1.5–1.6
3 How to Write a Proof; Archimedean Property Sec. 1.7
4 Sequences; Convergence Sec. 2.1–2.2, 2.4–2.7
5 Monotone Convergence Theorem Sec. 2.8, 2.9, 2.11
6 Cauchy Convergence Theorem Sec. 2.12
7 Bolzano–Weierstrass Theorem; Cauchy Sequences; Series Sec. 2.11–2.12, 3.4
8 Convergence Tests for Series; Power Series Sec. 3.5–3.6
9 Limsup and Liminf; Power Series; Continuous Functions; Exponential Function Sec. 2.13, 10.2, 5.4, 5.5
10 Continuous Functions; Exponential Function (cont.) Sec. 5.5, 5.9
11 Extreme and Intermediate Value Theorem; Metric Spaces Sec. 5.4, 13.1–13.2
12 Convergence in Metric Spaces; Operations on Sets Sec. 13.4–13.5
13 Open and Closed Sets; Coverings; Compactness Sec. 13.5
14 Sequential Compactness; Bolzano–Weierstrass Theorem in a Metric Space <none>
15 Derivatives; Laws for Differentiation Sec. 7.2, 7.3
16 Rolle’s Theorem; Mean Theorem; L’Hôpital’s Rule; Taylor Expansion Sec. 7.6, 7.11–7.12
17 Taylor Polynomials; Remainder Term; Riemann Integrals Sec. 8.6
18 Integrable Functions Sec. 8.3
19 Fundamental Theorem of Calculus Sec. 8.3
20 Pointwise Convergence; Uniform Convergence Sec. 9.2–9.4
21 Integrals and Derivatives under Uniform Convergence Sec. 9.5–9.6
22 Differentiating and Integrating Power Series; Ordinary Differential Equations (ODEs) Sec. 9.5–9.6
23 Existence and Uniqueness for ODEs: Picard–Lindelöf Theorem Sec. 13.11.4

Course Info

Departments
As Taught In
Spring 2025
Learning Resource Types
Lecture Notes
Lecture Videos
Problem Sets
Exams