Combinatorics
Combinatorics is the study of counting. Different kinds of counting problems can be approached by a variety of techniques.
Student Guides to Number Theory
- Introductory topics in combinatorics
- Intermediate topics in combinatorics
- Olympiad topics in combinatorics
- Advanced topics in combinatorics
Intermediate Topics
- Principle of Inclusion-Exclusion
- Conditional Probability
- Recursion
- Correspondence
- Generating functions
- Partitions
- Geometric probability
Resources
Listed below are various combinatorics resources including books, classes, and websites.
Books
- Introductory
- the Art of Problem Solving Introduction to Counting and Probability by David Patrick (details)
