Fundamental GroupsExplores fundamental groups, homotopy classes, and coverings in connected manifolds.
Cryptography and Information TheoryExplores cryptography, perfect secrecy, group theory, and modern cryptographic milestones, emphasizing the trade-off between security and cost.
Fermat's Little TheoremExplores Fermat's Little Theorem, its extensions, primality testing algorithms, and the significance of prime numbers in cryptography.