## The ring of integers

Generalizations of various arithmetic properties of the system of integers.

Generalizations of various arithmetic properties of the system of integers.

Generalizations of the real and complex number systems

Method of constructing larger groups out of a collection of groups

An introduction to the theory of group actions, covering examples, various counting principles, and Sylow’s theorems.

An overview of generators and relations, followed by a discussion on constructing structure-preserving extensions of maps on generating sets of groups.

An introduction to commutative diagrams, a compact language for describing algebraic objects and structure-preserving maps between them.

A quick overview of elementary set theory, covering the basic terminology, relations and functions, equivalence relations and quotient sets, cartesian produc...