List questions from proof-verification

Published on 20 Mar 2026 - 1:33

788

Views

Find values for x such that A is not invertible.

Published on 02 Feb 2018 - 11:26

568

Views

$T$ has an eigenvalue of $3$ or $-3$.

Published on 22 Mar 2026 - 2:38

168

Views

Proof verification: why this formula holds?

Published on 23 Mar 2026 - 11:07

84

Views

Help with basic inequality (complex numbers)

Published on 02 Feb 2018 - 14:00

373

Views

A continuous function that is negative at some point will be negative around that point

Published on 02 Feb 2018 - 17:22

147

Views

Condition for a function $\widetilde \phi:\mathbb{H}\rightarrow \mathbb{H}$ to descend to $S_g$

Published on 25 Mar 2026 - 16:45

86

Views

If $u_x=0$ and $u_y = 0$ on a open, connected set. Then $u$ is a constant on the set.

Published on 22 Mar 2026 - 23:23

484

Views

Random Variable in Index: Summation

Published on 03 Feb 2018 - 11:42

68

Views

Why isn't $T_1$ space also Hausforff?

Published on 25 Mar 2026 - 4:08

37

Views

Concerning the existence of the eigenvalues of $T\in\mathcal{L}(\mathbf{C^\infty})$

Published on 21 Mar 2026 - 18:12

193

Views

Elementary number theory exponent problem (Peter Hackman book)

Published on 25 Mar 2026 - 8:33

114

Views

helmholtz decomposition - Can't follow steps

Published on 03 Feb 2018 - 17:11

187

Views

$T\in\mathcal{L}(\mathbf{R^3})$ with eigen values $-4,5,\sqrt{7}$

Published on 22 Mar 2026 - 5:42

89

Views

Is the map $T: C(X) \to \mathbb{B}(L^2(X,\nu))$ defined by $T(f)=M_f$, where $M_f(g)=fg$, injective?

Published on 24 Mar 2026 - 22:07

List Question

Solution verification: show that the following functions are not differentiable

Find values for x such that A is not invertible.

$T$ has an eigenvalue of $3$ or $-3$.

Proof verification: why this formula holds?

Help with basic inequality (complex numbers)

A continuous function that is negative at some point will be negative around that point

Condition for a function $\widetilde \phi:\mathbb{H}\rightarrow \mathbb{H}$ to descend to $S_g$

If $u_x=0$ and $u_y = 0$ on a open, connected set. Then $u$ is a constant on the set.

Random Variable in Index: Summation

Why isn't $T_1$ space also Hausforff?

Concerning the existence of the eigenvalues of $T\in\mathcal{L}(\mathbf{C^\infty})$

Elementary number theory exponent problem (Peter Hackman book)

helmholtz decomposition - Can't follow steps

$T\in\mathcal{L}(\mathbf{R^3})$ with eigen values $-4,5,\sqrt{7}$

Is the map $T: C(X) \to \mathbb{B}(L^2(X,\nu))$ defined by $T(f)=M_f$, where $M_f(g)=fg$, injective?

Trending Questions

Popular # Hahtags

Popular Questions