Concept

Disjoint union

Related lectures (5)

Introduces the theory of categories by generalizing the Cartesian product and disjoint union of sets to any category.

Introduces essential properties of Cartesian products and disjoint unions in the theory of groups and categories.

Explores the distinction between coproduct and product notation in categorical constructions within Abelian groups.

Covers proper actions of groups on Riemann surfaces and introduces algebraic curves via square roots.

Explores the construction of the Lebesgue function on the Cantor set and its unique properties.