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Subspace
Subspace may refer to:
In mathematics
- A space inheriting all characteristics of a parent space.
- A subset of a topological space endowed with the subspace topology
- Linear subspace, in linear algebra, a subset of a vector space that is closed under addition and scalar multiplication
- Flat (geometry), a Euclidean subspace
- Affine subspace, a geometric structure that generalizes the affine properties of a flat
- Projective subspace, a geometric structure that generalizes a linear subspace of a vector space
- Multilinear subspace in multilinear algebra, a subset of a tensor space that is closed under addition and scalar multiplication