List questions from inner-products

Published on 11 Apr 2026 - 8:06

266

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Spectral theorem for self adjoint endomorphisms

Published on 15 Apr 2026 - 3:13

221

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How to understand the equivalence of the parallelogram law and transitivity/isotropy?

Published on 14 Apr 2026 - 15:06

38

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If for each $x$ there is $b_i$ such that $\langle x,b_i\rangle\ne0$, then $\{b_i\}_I$ contains a basis

Published on 17 Apr 2026 - 12:50

389

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How to find $\lim_{ \| {\bf x} \| \to 0} \frac{ \left( <{\bf x},{\bf y}> \right)^2}{\| {\bf x} \|^2 }$

Published on 13 Apr 2026 - 19:47

281

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How does $T$ being an isometry imply unitary?

Published on 09 Apr 2026 - 21:41

84

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About trimmed inner product

Published on 13 Apr 2026 - 17:01

366

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How can the Cauchy-Schwarz inequality be derived only from the axioms of inner product space and the definition of norm of a vector?

Published on 13 Apr 2026 - 18:43

195

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How to find the angle between 2 intersection lines of four planes?

Published on 29 Mar 2026 - 23:58

597

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Dense Subspaces and Orthonormal Bases.

Published on 14 Apr 2026 - 5:53

640

Views

Orthogonal complement by example

Published on 14 Apr 2026 - 0:10

1.1k

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Hermitian matrices in an arbitrary inner product

Published on 15 Apr 2026 - 9:40

402

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General solution to differential equation involving inner product

Published on 08 Apr 2026 - 9:55

153

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Prove a vector integral inequality

Published on 13 Apr 2026 - 8:09

86

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polar form of unitary operator

Published on 11 Apr 2026 - 10:03

List Question

Optimization and Local minimizer

Spectral theorem for self adjoint endomorphisms

How to understand the equivalence of the parallelogram law and transitivity/isotropy?

If for each $x$ there is $b_i$ such that $\langle x,b_i\rangle\ne0$, then $\{b_i\}_I$ contains a basis

How to find $\lim_{ \| {\bf x} \| \to 0} \frac{ \left( <{\bf x},{\bf y}> \right)^2}{\| {\bf x} \|^2 }$

How does $T$ being an isometry imply unitary?

About trimmed inner product

How can the Cauchy-Schwarz inequality be derived only from the axioms of inner product space and the definition of norm of a vector?

How to find the angle between 2 intersection lines of four planes?

Dense Subspaces and Orthonormal Bases.

Orthogonal complement by example

Hermitian matrices in an arbitrary inner product

General solution to differential equation involving inner product

Prove a vector integral inequality

polar form of unitary operator

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