(algebraic geometry) K-theory studied from the point of view of algebra.

(economics, political science) UK standard spelling of labor theory of value.

(economics, political science) UK standard spelling of labor-value theory.

(quantum mechanics) A theory of quantum fields; the result of applying second quantization to Classical Relativistic Field Theory.

(number theory) The branch of number theory that deals with transcendental numbers.

(mathematics) A three-dimensional topological quantum field theory of Schwarz type, with applications in condensed-matter physics and quantum computing.

Synonym of grand unification theory

(mathematics, number theory) A branch of number theory that uses methods from mathematical analysis to solve problems about the integers.

(number theory) The subfield of number theory concerning the behaviour of sumsets (integer sets added to each other elementwise).

(politics, racism, social) A conspiracy theory based on white supremacist ideology that there is a plot to diminish the influence of white people through the immigration of visible minorities and demographics.