Question

Missing steps in proving 5 tangent lines determine a conic

score 62 · Answer 1 · 2024-01-25 23:45:53

62

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Missing steps in proving 5 tangent lines determine a conic

Published on 25 Jan 2024 - 23:45

score 171 · Answer 2 · 2026-03-26 12:34:51

171

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How does $W \subset W^{00}$ ? Hoffman and Kunze theorem 3.18

Published on 26 Mar 2026 - 12:34

score 67 · Answer 3 · 2024-01-29 16:55:58

67

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Need help in understanding an example illustrating a theorem in Linear Algebra

Published on 29 Jan 2024 - 16:55

score 90 · Answer 4 · 2024-02-01 09:54:33

90

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Let $V$ be a finite-dimensional vector space with dual space $V^∗.$ Then every ordered basis for $V^∗$ is the dual basis for some basis for $V.$

Published on 01 Feb 2024 - 9:54

score 59 · Answer 5 · 2026-03-27 07:49:33

59

Views

Identifying linear operator with a bilinear symmetric form using Theorem of Schwarz

Published on 27 Mar 2026 - 7:49

score 43 · Answer 6 · 2024-02-04 03:31:29

43

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Why do the dual spaces of a countable Hilbert space form an increasing chain?

Published on 04 Feb 2024 - 3:31

score 16 · Answer 7 · 2026-03-09 10:58:23

16

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Is this rewriting of $L_1$ distance on simplex a specific case of a more general concept?

Published on 09 Mar 2026 - 10:58

score 70 · Answer 8 · 2026-03-26 12:37:32

70

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Find a bijection between invariant subspaces of dimension m and invariant subspaces of dimension n-m

Published on 26 Mar 2026 - 12:37

score 127 · Answer 9 · 2026-03-25 17:46:25

127

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$\text{span}(\phi_1, \cdots \phi_m) = \{\bigcap_{i=1}^m \text{null}(\phi_i)\}^0$

Published on 25 Mar 2026 - 17:46

score 35 · Answer 10 · 2026-03-27 17:36:03

35

Views

I want to prove equivalence of norm on the dual of the Strichartz space

Published on 27 Mar 2026 - 17:36

score 70 · Answer 11 · 2024-02-18 10:09:48

70

Views

How duality works with polynomials?

Published on 18 Feb 2024 - 10:09

score 56 · Answer 12 · 2024-02-21 08:06:10

56

Views

Norm-attainig functionals on $c_0$.

Published on 21 Feb 2024 - 8:06

score 40 · Answer 13 · 2024-02-25 23:48:44

40

Views

Find basis for anhilators $(S+T)^{0}, (S \cap T)^{0}$

Published on 25 Feb 2024 - 23:48

score 51 · Answer 14 · 2024-02-28 03:57:59

51

Views

Dual basis problem on the space of polynomials $\mathbb{R}_{1}[x]$

Published on 28 Feb 2024 - 3:57

score 54 · Answer 15 · 2026-03-27 17:23:44

54

Views

Am I correct in terms of understanding gradient and covector?

Published on 27 Mar 2026 - 17:23

List Question

Missing steps in proving 5 tangent lines determine a conic

How does $W \subset W^{00}$ ? Hoffman and Kunze theorem 3.18

Need help in understanding an example illustrating a theorem in Linear Algebra

Let $V$ be a finite-dimensional vector space with dual space $V^∗.$ Then every ordered basis for $V^∗$ is the dual basis for some basis for $V.$

Identifying linear operator with a bilinear symmetric form using Theorem of Schwarz

Why do the dual spaces of a countable Hilbert space form an increasing chain?

Is this rewriting of $L_1$ distance on simplex a specific case of a more general concept?

Find a bijection between invariant subspaces of dimension m and invariant subspaces of dimension n-m

$\text{span}(\phi_1, \cdots \phi_m) = \{\bigcap_{i=1}^m \text{null}(\phi_i)\}^0$

I want to prove equivalence of norm on the dual of the Strichartz space

How duality works with polynomials?

Norm-attainig functionals on $c_0$.

Find basis for anhilators $(S+T)^{0}, (S \cap T)^{0}$

Dual basis problem on the space of polynomials $\mathbb{R}_{1}[x]$

Am I correct in terms of understanding gradient and covector?

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