Question

Is the bilinear form $A(\cdot,\cdot)$ $l_{2}$-elliptic or coercive?

score 158 · Answer 1 · 2026-02-23 22:49:26

158

Views

Is the bilinear form $A(\cdot,\cdot)$ $l_{2}$-elliptic or coercive?

Published on 23 Feb 2026 - 22:49

score 24 · Answer 2 · 2026-03-26 04:34:31

24

Views

Accretiveness of bounded and invertible operator induced by mixed bilinear form

Published on 26 Mar 2026 - 4:34

score 119 · Answer 3 · 2026-03-26 02:45:55

119

Views

Proving that a symmetric bilinear form on $L$ is invariant

Published on 26 Mar 2026 - 2:45

score 44 · Answer 4 · 2023-04-12 21:47:29

44

Views

"Coercivity" of a bilinear form

Published on 12 Apr 2023 - 21:47

score 65 · Answer 5 · 2023-04-14 07:55:45

65

Views

Kernel of alternating bilinear form A - A^T

Published on 14 Apr 2023 - 7:55

score 66 · Answer 6 · 2026-03-25 07:43:25

66

Views

Dual formulation of a QCLP

Published on 25 Mar 2026 - 7:43

score 54 · Answer 7 · 2026-03-26 04:53:35

54

Views

Is this a non-degenerate bilinear form on a quotient of a special p-group?

Published on 26 Mar 2026 - 4:53

score 272 · Answer 8 · 2026-03-26 02:45:52

272

Views

Find all invariant symmetric bilinear forms of $\mathfrak {sl}(2)$

Published on 26 Mar 2026 - 2:45

score 35 · Answer 9 · 2023-04-23 12:12:22

35

Views

All vectors that can be included in a basis such that a quadratic form is diagonalized in that basis

Published on 23 Apr 2023 - 12:12

score 78 · Answer 10 · 2023-04-24 05:23:47

78

Views

Suppose that $∀a \in K, w \in W$, $⟨a,w⟩ = 0$. Prove there is $U ⊂ K$ with dim at least $\dim K - \dim V + \dim W$ with $⟨u,v⟩ = 0$ $∀v\in V, u \in U$

Published on 24 Apr 2023 - 5:23

score 76 · Answer 11 · 2023-04-24 16:09:18

76

Views

Let $\langle \cdot, \cdot \rangle$ be a real positive definite hermitian form in Hilbert space $H$. Prove that if $\langle x,x\rangle =0$ then $x=0$

Published on 24 Apr 2023 - 16:09

score 66 · Answer 12 · 2026-02-23 22:52:18

66

Views

Proof that bilinear form $(u,v)_{L^2(\Omega)} \mapsto (\nabla u, \nabla v)_{L^2(\Omega)}$ is not coercive in $H^1(\Omega)$

Published on 23 Feb 2026 - 22:52

score 34 · Answer 13 · 2023-04-25 18:17:01

34

Views

The power set $P(X)$ of a finite set $X$ is a bilinear space over $F_2$

Published on 25 Apr 2023 - 18:17

score 54 · Answer 14 · 2023-05-11 00:56:56

54

Views

Existence of a subspace with given characteristics

Published on 11 May 2023 - 0:56

score 54 · Answer 15 · 2023-05-14 21:20:36

54

Views

Show that we have an induced quadratic form on quotient vector space

Published on 14 May 2023 - 21:20

List Question

Is the bilinear form $A(\cdot,\cdot)$ $l_{2}$-elliptic or coercive?

Accretiveness of bounded and invertible operator induced by mixed bilinear form

Proving that a symmetric bilinear form on $L$ is invariant

"Coercivity" of a bilinear form

Kernel of alternating bilinear form A - A^T

Dual formulation of a QCLP

Is this a non-degenerate bilinear form on a quotient of a special p-group?

Find all invariant symmetric bilinear forms of $\mathfrak {sl}(2)$

All vectors that can be included in a basis such that a quadratic form is diagonalized in that basis

Suppose that $∀a \in K, w \in W$, $⟨a,w⟩ = 0$. Prove there is $U ⊂ K$ with dim at least $\dim K - \dim V + \dim W$ with $⟨u,v⟩ = 0$ $∀v\in V, u \in U$

Let $\langle \cdot, \cdot \rangle$ be a real positive definite hermitian form in Hilbert space $H$. Prove that if $\langle x,x\rangle =0$ then $x=0$

Proof that bilinear form $(u,v)_{L^2(\Omega)} \mapsto (\nabla u, \nabla v)_{L^2(\Omega)}$ is not coercive in $H^1(\Omega)$

The power set $P(X)$ of a finite set $X$ is a bilinear space over $F_2$

Existence of a subspace with given characteristics

Show that we have an induced quadratic form on quotient vector space

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