Question

Upper bound on $|\langle a,x \rangle \langle b,x \rangle - \langle x,x \rangle \langle a,b\rangle|$

score 208 · Answer 1 · 2026-04-14 16:37:11

208

Views

Upper bound on $|\langle a,x \rangle \langle b,x \rangle - \langle x,x \rangle \langle a,b\rangle|$

Published on 14 Apr 2026 - 16:37

score 62 · Answer 2 · 2026-04-14 20:56:08

62

Views

If a scalar product is not specified on a vector space over an arbitrary field, is there a "standard" scalar product assumed?

Published on 14 Apr 2026 - 20:56

score 383 · Answer 3 · 2026-04-10 05:31:00

383

Views

How does an inner product induce a definition for angles?

Published on 10 Apr 2026 - 5:31

score 104 · Answer 4 · 2026-04-11 11:26:11

104

Views

Two results for conditionally positive definite.

Published on 11 Apr 2026 - 11:26

score 52 · Answer 5 · 2026-04-28 09:56:23

52

Views

Come up with a real inner product space $V$ and $T\in \mathcal L(V) $ and real numbers b, c with $ b^2 < 4c $ so that $T^2 + bT +cI$ is not invertible

Published on 28 Apr 2026 - 9:56

score 48 · Answer 6 · 2026-04-16 22:41:08

48

Views

Prove (or disprove) that limit is preserved under Gram-Schmidt process

Published on 16 Apr 2026 - 22:41

score 295 · Answer 7 · 2026-04-15 02:58:46

295

Views

How does the pushforward of the inverse metric relate to the inverse of the pullback metric for an embedding?

Published on 15 Apr 2026 - 2:58

score 367 · Answer 8 · 2026-04-12 19:56:59

367

Views

How to construct inner products for arbitrary vector spaces or at least prove that its not possible to do it?

Published on 12 Apr 2026 - 19:56

score 57 · Answer 9 · 2026-04-08 18:38:10

57

Views

Integration identity

Published on 08 Apr 2026 - 18:38

score 98 · Answer 10 · 2026-04-10 08:47:44

98

Views

How do I solve for the optimal solution to the maximization problem?

Published on 10 Apr 2026 - 8:47

score 100 · Answer 11 · 2026-03-26 04:31:01

100

Views

Normal operator equal to its norm and that of its adjoint

Published on 26 Mar 2026 - 4:31

score 24 · Answer 12 · 2026-04-12 02:48:16

24

Views

Inner products and aproximation

Published on 12 Apr 2026 - 2:48

score 139 · Answer 13 · 2026-04-11 18:50:57

139

Views

Wave-equation on a horn

Published on 11 Apr 2026 - 18:50

score 171 · Answer 14 · 2026-04-16 04:19:54

171

Views

Existence and Uniqueness of a fiber metric on the tensor-bundle $T_l^k M$ of a Riemannian manifold $M$

Published on 16 Apr 2026 - 4:19

score 52 · Answer 15 · 2026-04-15 12:44:33

52

Views

How can I prove the following characterization : $\langle u-\pi_ku,w-\pi_ku\rangle\leq 0$?

Published on 15 Apr 2026 - 12:44

List Question

Upper bound on $|\langle a,x \rangle \langle b,x \rangle - \langle x,x \rangle \langle a,b\rangle|$

If a scalar product is not specified on a vector space over an arbitrary field, is there a "standard" scalar product assumed?

How does an inner product induce a definition for angles?

Two results for conditionally positive definite.

Come up with a real inner product space $V$ and $T\in \mathcal L(V) $ and real numbers b, c with $ b^2 < 4c $ so that $T^2 + bT +cI$ is not invertible

Prove (or disprove) that limit is preserved under Gram-Schmidt process

How does the pushforward of the inverse metric relate to the inverse of the pullback metric for an embedding?

How to construct inner products for arbitrary vector spaces or at least prove that its not possible to do it?

Integration identity

How do I solve for the optimal solution to the maximization problem?

Normal operator equal to its norm and that of its adjoint

Inner products and aproximation

Wave-equation on a horn

Existence and Uniqueness of a fiber metric on the tensor-bundle $T_l^k M$ of a Riemannian manifold $M$

How can I prove the following characterization : $\langle u-\pi_ku,w-\pi_ku\rangle\leq 0$?

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