List questions from solution-verification | MathQa

Prove If lim inf sn = lim sup sn, then lim sn is defined and lim sn = lim inf sn = lim sup sn

Published on 01 Jan 2025 - 12:06

$R/\langle p \rangle$ is an integral domain, proof verification

Published on 29 Dec 2024 - 19:45

Prove that the four-group $\{1,a,b,c \}$ is not cyclic.

Published on 05 Jan 2025 - 18:49

Is my proof for this claim correct?

Published on 30 Dec 2024 - 21:04

Prove $\frac{\partial \rm{ln}|X|}{\partial X} = 2X^{-1} - \rm{diag}(X^{-1})$.

Published on 12 Jan 2025 - 23:36

Prove $\frac{\partial ln|X|}{\partial X_{ij}}=tr[X^{-1} \frac{\partial X}{\partial X_{ij}}]$ using adjoint.

Published on 31 Dec 2024 - 12:24

Prove $\frac{\partial ln|X|}{\partial X_{ij}}=tr[X^{-1} \frac{\partial X}{\partial X_{ij}}]$ not using adjoint.

Published on 02 Jan 2025 - 23:17

Complex conjugate and their product

Published on 02 Jan 2025 - 20:11

Real Analysis, Folland problem 2.1.3

Published on 03 Jan 2025 - 3:11

GMAT problem (possible typo?) involving relative rates.

Published on 02 Jan 2025 - 23:16