List questions from orthogonality | MathQa

$A^{\perp\perp}=A$ for a closed subspace $A$

Published on 12 Jan 2025 - 19:17

Orthogonality Relations Problem with Sine

Published on 12 Jan 2025 - 23:38

Orthogonal projectors and SVD

Published on 12 Jan 2025 - 18:26

Proving the orthogonality of curvature and unit tangent

Published on 29 Dec 2024 - 2:12

The geometric action of an orthogonal $3 \times 3$ matrix with determinant $-1$.

Published on 28 Dec 2024 - 15:26

Confusion with orthogonal matrices

Published on 12 Jan 2025 - 23:34

What is an example of Euclidean Space $R$ with a total system {$\phi_{n}$} which is not complete?

Published on 01 Jan 2025 - 19:24

Image of a dual map is equal to Image$^{\perp\perp}$

Published on 05 Jan 2025 - 6:22

Is this the Gram-Schmidt-procedure?

Published on 12 Jan 2025 - 23:34

Reflection through a hyperplane, orthogonality propoerty

Published on 02 Jan 2025 - 21:34