When is an outer product $ab^\top$ diagonalisable?
5058
Eigenvalues of the rank one matrix $uv^T$
115272
Showing that projections $\mathbb{R}^2 \to \mathbb{R}$ are not closed
90862
Top cohomology and irreducible components
154628
What should we understand from the definition of orthogonality in inner product spaces other than $\mathbb R^n$?
60598
Matrix $A^T A$ as sum of outer products
66866
Algebraic dual of $\mathbb{R}^{\mathbb{N}}$
137081
Is the set of real matrices diagonalizable in $\mathcal M_n(C)$ dense in the set of all companion matrices?
69893
An inner product space and its proper closed subspace with trivial orthogonal complement
82824
Affine algebraic subset of $\mathbb{A}_k^4$
149664
Norm is sup of inner products (proof).
88474
$\mathbb{A}^{2}$ not isomorphic to affine space minus the origin
110944
Proving that $AB-BA=cI$ for nontrivial $c \in \mathbb{C}$
152363
Cancellation in topological product
88153
Finding all inner products on $\mathbb{R}^2$ for which a given linear map is orthogonal
121100
Rootspaces are $\mathop{ad}$ nilpotent
61484
Continuously invertible operators
1751
When does the tensor product distribute over an infinite direct product?