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Coriolanus
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Victrix causa deis placuit sed victa Catoni.

-Lucan

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All Questions Answers
Score Newest
answer
5
Show that the eigenvalues of $AA^T$ and $A^TA$ are non-negative.
Feb 29, 2020
answer
4
Two ways of saying span
Sep 27, 2020
answer
3
$P \in \text {SO}_{n} (\Bbb R)$ if $P$ is orthogonal and $P^{-1} A P$ is diagonal with $A$ symmetric?
Oct 3, 2020
answer
3
Can two uncountable disjoint sets be dense in $[0,1]$?
May 3, 2020
answer
3
Prove an idempotent invertible 2x2 matrix in general linear group $\text{GL}_2(\mathbb{R})$ must be the identity
May 10, 2020
answer
3
Eigenvalues of a matrix which has to satisfy an equation
May 15, 2020
question
3
Rules for Reductions in NP-Completeness Proofs (many-one vs one-many)
Mar 24, 2018
answer
3
Linear algebra skew symmetric
Feb 20, 2020
answer
3
Define subspaces $U_1 \leq V$ and $U_2 \leq V$, can I then claim $\dim(U_1+U_2)=\dim V$?
May 16, 2021
answer
3
If $S$ is symmetric positive definite and $SA$ symmetric, is then $A$ symmetric?
Jun 5, 2021

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