Real analysis
Chapter and section references are from Corbae, Stinchcombe and Juraj (2009), “An Introduction to Mathematical Analysis for Economic Theory and Econometrics.'' I only recommend you follow Corbae et al. if you are already comfortable with highly-technical math. Otherwise, use this list of topics as guidance while using one of the recommended sources on the Textbooks page.
Logic
Chapter 1 in Corbae, Stinchcombe and Juraj (2009)
Topic | Reference | Background | Proofs | Direct/General |
---|---|---|---|---|
Statements, Sets, Subsets, Implication | Section 1.1 | X | X | X |
Ands, Ors, Nots | Section 1.2.a | X | X | X |
Implies, Equivalence | Section 1.2.b | X | X | X |
Vacuous Statements | Section 1.2.c | X | X | X |
Indicators | Section 1.2.d | X | X | |
Logical Quantifiers | Section 1.4 | X | X | |
Taxonomy of Proofs | Section 1.5 | X | X | X |
Set Theory
Chapter 2 in Stinchcombe and Juraj (2009)
Topic | Reference | Background | Proofs | Direct/General |
---|---|---|---|---|
Notation for sets | 2.2.2, top pg. 21 | X | X | |
Useful theorems on sets | 2.2.4, 2.2.6 | X? | ||
Cartesian Product | 2.3.1 | X | X | X |
Relation | 2.3.4, 2.3.5 | X | ||
Function | 2.3.8 | X | X | X |
Correspondence | 2.3.12 | X | X | X |
Image | 2.3.16, 2.6.1, 2.6.4 | X | X | |
Cardinality | 2.3.17 | X | X | X |
Equivalence Class | 2.4.1, 2.4.5 | X | X | X |
Partition | 2.4.9 | X | X? | |
Inverse, Inverse Image | 2.6.7, 2.6.10, 2.6.13 | X | X | X |
Level Sets of Functions | 2.6.12 | X | X | X |
One-to-One / Injection | 2.6.15 | X | X | |
Onto / Surjection / Bijection | 2.6.17 | X | X | |
Composite Functions | 2.6.20, 2.6.23, 2.6.26 | X | X |
The Space of Real Numbers
Chapter 3 in Stinchcombe and Juraj (2009)
Topic | Reference | Background | Proofs | Direct/General |
---|---|---|---|---|
The `Why' | Section 3.1 and 3.10 | X | ||
Algebraic Properties of | 3.2.3 | X | X | |
Distance in | 3.3.1, 3.3.2 | X | X | |
Sequence | 3.3.3 | X | X | X |
Subsequence | 3.3.5 | X | X | |
Cauchy | 3.3.7, 3.4.8 | X | ||
Bounded | 3.3.12, 3.3.13, 3.6.1 | X | X | X |
Real Numbers | 3.3.19 | X | ||
Algebraic Properties of | 3.3.23 | X | X | |
Distance in | 3.4.1, 3.4.2, 3.4.3 | X | X | |
Convergence | 3.4.9, 3.4.10, 3.4.15 | X | X | X |
Completeness of | 3.4.16 | X | ||
Supremum / Infimum | 3.6.2, 3.6.5 | X | X | X |
The Finite-Dimensional Metric Space of Real Vectors
Chapter 4 in Stinchcombe and Juraj (2009)
Topic | Reference | Background | Proofs | Direct/General |
---|---|---|---|---|
Metric Space | 4.1.1 | X | ||
Convergence, Limit | 4.1.4 | X | X | X |
Complete | 4.1.6, 4.4.5 | X | X | |
Open ball | 4.1.9 | X | ||
Open | 4.1.10, 4.1.11 | X | X | |
Open neighborhood | 4.1.12 | X | ||
Open cover | 4.1.18 | X | ||
Compact | 4.1.19, 4.7.15 | X | X | |
Connected | 4.1.21 | X | X | |
Continuous | 4.1.22, 4.7.20, 4.85 | X | X | X |
Vector Space | 4.3.1 | X? | X | |
Normed Vector Space | 4.3.7 | X? | ||
Inner / Dot Product | 4.3.9 | X | X | X |
Cauchy-Schwartz Inequality | 4.3.10 | X | ||
\textit{p}-Norms | Section 4.3.c | X? | X | |
Characterizing Closed Sets | Section 4.5.a | X | X | |
Closure of a Set | 4.5.4 | X | ||
Boundary of a Set | 4.5.5 | X | X | |
Accumulation / Cluster / Limit Point | 4.5.7 | X | X | |
Closure and Completeness | 4.5.12, 4.5.13 | X | X | |
Bounded | 4.7.8 | X | X | X |
Applications of Compactness | Section 4.7.f | X | X | X |
Basic Existence Result | 4.8.11, 4.8.16 | X | X | |
Upper Hemicontinuity | 4.10.20 | X | X | |
Theorem of the Maximum | 4.10.22, 6.1.31 | X | X | |
Upper Semicontinuity | 4.10.29 | X | X? | |
Connected | 4.1.12, 4.12.3, 4.12.4 | X | X | X |
Interval | 4.12.1, 4.12.2 | X | X | X |
Intermediate Value Theorem | 4.12.5 | X | X | X |
Finite-Dimensional Convex Analysis
Chapter 5 in Stinchcombe and Juraj (2009)
Topic | Reference | Background | Proofs | Direct/General |
---|---|---|---|---|
Convex Combination | 5.1.2 | X | X | X |
Convex Preferences and Technologies | Section 5.1.c | X | ||
Returns to Scale | 5.1.13 | X | ||
Convex Hull | 5.4.6 | X | ||
Upper Contour Set | 5.4.23 | X | X | X |
Affine Combination | 5.6.16 | X | ||
Interior | 5.5.1, 5.5.2 | X | ||
Concave Function | 5.6.1, 5.6.2 | X | X | X |
Affine Function | 5.6.6 | X | X | |
Quasi-Concave | 5.6.12 | X | X | X |
Single-Peaked | 5.6.13 | X | ||
Implicit Function Theorem | Sections 2.8.a and 5.9.b | X | X | |
Envelope Theorem | Section 5.9.c | X | X |
Sections 5.8 - 5.10 contain results on optimization. The facts and results that you need should already be familiar from math camp so I do not list them separately.