(mathematical analysis) Any of a class of theorems which, for a given Abelian theorem, specifies conditions such that any series whose Abel sums converge (as stipulated by the Abelian theorem) is in fact convergent.

(topology) The theorem that states that a simple closed curve (Jordan curve) divides the plane into precisely two distinct areas.

(chiefly mathematics) A theorem (or, in non-mathematical fields, a commonly accepted hypothesis) considered to be of central importance to a specified field.

plural of theoretical physicist

(physics, profession) A scientist who studies theoretical physics; using math and other abstract analysis rather than practical experimentation.

(philosophy) Of or pertaining to the theory of properties.

(mathematics, algebra) A branch of mathematics that studies abstract algebraic structures by representing their elements as linear transformations of vector spaces, and studies modules over these abstract algebraic structures.

(computing theory) A theorem stating that all nontrivial semantic properties of programs are undecidable.

(physics) A theorem stating that the energy eigenstates for an electron in a crystal can be written as Bloch waves.

(mathematics) A theorem that gives a lower bound on the size of a disc in which an inverse to a holomorphic function exists.