Question

Hints to prove Existence of Ring Isomorphism $A \to A/(e_{1}) \times A/(e_{2})$

score 45 · Answer 1 · 2026-05-11 00:31:16

45

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Hints to prove Existence of Ring Isomorphism $A \to A/(e_{1}) \times A/(e_{2})$

Published on 11 May 2026 - 0:31

score 170 · Answer 2 · 2026-04-23 11:28:06

170

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Let $Y$ be a closed and convex subset of $\mathbb{R}^n$ such that $ 0\in Y$ and $Y \cap \mathbb{R}^{n}_{+}=\{0\}$...

Published on 23 Apr 2026 - 11:28

score 178 · Answer 3 · 2026-05-11 07:47:02

178

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Find the inverse of Matrix $A$

Published on 11 May 2026 - 7:47

score 146 · Answer 4 · 2026-04-10 11:23:24

146

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Importance of the kernel

Published on 10 Apr 2026 - 11:23

score 39 · Answer 5 · 2026-04-23 06:40:24

39

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Product of Finite Number of Indexed Matrices

Published on 23 Apr 2026 - 6:40

score 577 · Answer 6 · 2026-04-11 12:40:29

577

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Eigenvalues of a permutation operator in $\mathbb{C}^n$

Published on 11 Apr 2026 - 12:40

score 560 · Answer 7 · 2026-05-10 16:00:49

560

Views

How can the stress tensor be a contravariant second order tensor?

Published on 10 May 2026 - 16:00

score 896 · Answer 8 · 2026-04-15 10:47:44

896

Views

When a matrix, $M$ equals $M^2$, why is this property true?

Published on 15 Apr 2026 - 10:47

score 234 · Answer 9 · 2026-05-10 17:07:47

234

Views

What does $ C_{-\infty}$mean

Published on 10 May 2026 - 17:07

score 32 · Answer 10 · 2026-04-18 08:19:32

32

Views

$A\in \mathcal{M}_n (\mathbb R)$ diagonalizable Then $A=P(A^3) \quad /P \in \mathbb{R}[X] $.

Published on 18 Apr 2026 - 8:19

score 497 · Answer 11 · 2026-05-10 15:09:34

497

Views

Prove that for Ax = b, the following double perturbed system inequality is satisfied.

Published on 10 May 2026 - 15:09

score 95 · Answer 12 · 2026-05-10 15:49:05

95

Views

Why is this homogeneous function a polynomial?

Published on 10 May 2026 - 15:49

score 697 · Answer 13 · 2026-05-13 04:05:35

697

Views

How do you find all solutions to the matrix equation $XAX=A^T$?

Published on 13 May 2026 - 4:05

score 41 · Answer 14 · 2026-04-23 11:28:59

Consider the straight lines in xy plane $ax+by+c=0, bx+cy+a=0, cx+ay+b=0$. These lines intersect at point if and only if $a+b+c=0$

score 48 · Answer 15 · 2026-05-11 09:15:26

48

Views

If there are $6$ matrices in $M_{6,6}(\Bbb C)$ such that they all satisfy $A^2=0$, does this imply that at least two of them are similar?

Published on 11 May 2026 - 9:15

List Question

Hints to prove Existence of Ring Isomorphism $A \to A/(e_{1}) \times A/(e_{2})$

Let $Y$ be a closed and convex subset of $\mathbb{R}^n$ such that $ 0\in Y$ and $Y \cap \mathbb{R}^{n}_{+}=\{0\}$...

Find the inverse of Matrix $A$

Importance of the kernel

Product of Finite Number of Indexed Matrices

Eigenvalues of a permutation operator in $\mathbb{C}^n$

How can the stress tensor be a contravariant second order tensor?

When a matrix, $M$ equals $M^2$, why is this property true?

What does $ C_{-\infty}$mean

$A\in \mathcal{M}_n (\mathbb R)$ diagonalizable Then $A=P(A^3) \quad /P \in \mathbb{R}[X] $.

Prove that for Ax = b, the following double perturbed system inequality is satisfied.

Why is this homogeneous function a polynomial?

How do you find all solutions to the matrix equation $XAX=A^T$?

Consider the straight lines in xy plane $ax+by+c=0, bx+cy+a=0, cx+ay+b=0$. These lines intersect at point if and only if $a+b+c=0$

If there are $6$ matrices in $M_{6,6}(\Bbb C)$ such that they all satisfy $A^2=0$, does this imply that at least two of them are similar?

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