A speculative theory that human language emerged from instinctive noises made by humans during physical exertion, and especially while involved in collective rhythmic labour.

(mathematics, number theory) A branch of number theory in which suitable ideas and techniques from analytic number theory are generalised and applied to a variety of mathematical fields.

(mathematics) An axiomatic system that was proposed in the early 20th century in order to formulate a theory of sets free from paradoxes such as Russell's paradox, and became the standard form of axiomatic set theory.

An interpretation of quantum theory. In addition to a wavefunction on the space of all possible configurations, it also postulates an actual configuration that exists even when unobserved.

plural of Kaluza-Klein theory

plural of arbitrage pricing theory

plural of Sturm-Liouville theory

plural of algebraic graph theory

plural of grand unified theory

plural of quantum field theory