nLab
rational vector space
Redirected from "rational vector spaces".
Contents
Context
Linear algebra
linear algebra , higher linear algebra
Ingredients
Basic concepts
ring , A-∞ ring
commutative ring , E-∞ ring
module , ∞-module , (∞,n)-module
field , ∞-field
vector space , 2-vector space
rational vector space
real vector space
complex vector space
topological vector space
linear basis ,
orthogonal basis , orthonormal basis
linear map , antilinear map
matrix (square , invertible , diagonal , hermitian , symmetric , …)
general linear group , matrix group
eigenspace , eigenvalue
inner product , Hermitian form
Gram-Schmidt process
Hilbert space
Theorems
(…)
Group theory
group theory
Classical groups
Finite groups
Group schemes
Topological groups
Lie groups
Super-Lie groups
Higher groups
Cohomology and Extensions
Related concepts
Contents
Definition
A vector space /module over the field of rational numbers .
Equivalently, a torsion-free divisible group .
References
Phillip A. Griffith, Infinite Abelian group theory Chicago Lectures in Mathematics. University of Chicago Press. (1970) [ISBN 0-226-30870-7]
Last revised on October 19, 2022 at 07:17:03.
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