Sajjad: Zeckendorf's Theorem [pdf]
Phil James: When is a number Fibonacci? [pdf]
Matthew Gwynne: The Cantor-Schroder-Bernstein Theorem [pdf]
Oliver Kullmann: Structures and Congruences (introductory talk 1) [pdf]
Oliver Kullmann: Ideal objects in set theory and topology (introductory talk 2) [pdf]
Sajjad: Boolean Algebras [pdf]
Phil James: Properties of Boolean Algebras [pdf]
Matthew Gwynne: Stone Duality and the Representation Theorem [pdf]