First Presentations:


Arrow's Impossibility Theorem.
Shuffling a Deck of Cards.
Zero Knowledge Proofs.
Linear Programming.
Stable Marriage and Stable Roommate Theorems.
Graph Search Algorithms.
Simple Games with Not-So-Simple Strategies.
The Probabilistic Method.
Facts About Pi.
Latin Squares and Codes.
Knapsack Problem.
Diophantine Equations.
Cayley's formula for trees.
Diffie Hellman and RSA Encryption.
Pigeonhole principle and Ramsey numbers.