(mathematics) A branch of mathematics which deals with patterns that inevitably arise in sufficiently large sets (i.e., subsets of some structure).

(logic) Recursion theory. / (computer science) The branch of the theory of computation that studies which problems are computationally solvable using different models.

The branch of abstract algebra dealing with group characters.

(mathematics) A branch of mathematics concerned with dynamical systems which suffer sudden qualitative changes from an infinitesimal change in a parameter.

(algebra, field theory) The branch of mathematics dealing with Galois groups, Galois fields, and polynomial equations.

(mathematics) The branch of mathematics dealing with the art of transmitting messages reliably over a noisy channel by adding redundancy to the message.

(mathematics) The branch of mathematics dealing with dynamical systems which can undergo abrupt irreversible qualitative changes due to a tiny change in parameters.

(idiomatic) A point in the progress of an ongoing dispute or process.

(idiomatic) To become successful and widely known.

(baseball, informal) The major leagues.