finite-dimensional
Adjective
Meaning
finite-dimensional (not comparable)
(mathematics) (of a vector space) having a basis consisting of a finite number of elements.
Examples
Again from the Heine–Borel theorem, the closed unit ball of any finite-dimensional normed vector space is compact.
A characterization of finite dimensionality is that a Hausdorff TVS is locally compact if and only if it is finite-dimensional (therefore isomorphic to some Euclidean space).
Ado's theorem says every finite-dimensional Lie algebra is isomorphic to a matrix Lie algebra.
All norms on a finite-dimensional vector space are equivalent.
Axler (2204), p. 33 One often restricts consideration to finite-dimensional vector spaces.
A statistical model is semiparametric if it has both finite-dimensional and infinite-dimensional parameters.