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marco2013

Apparently, this user prefers to keep an air of mystery about them.

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  • Member for 7 years, 9 months
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  • Last seen Jan 22 '18 at 9:37

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27 Similarity of real matrices over $\mathbb{C}$ Feb 2 '15
7 common eigenvectors of commuting operators Nov 22 '16
6 $\lfloor a n\rfloor \lfloor b n\rfloor \lfloor c n\rfloor = \lfloor d n\rfloor \lfloor e n\rfloor \lfloor f n\rfloor$ for all $n$ Nov 23 '16
5 Is $f+g$ and $fg$ maximum where $f$ and $g$ are maximum? Nov 22 '16
4 Property of limit inferior for continuous functions Sep 24 '14
4 CP(2) = SU(3)/U(2)? Sep 24 '14
3 Proving a set is closed Nov 22 '16
2 Existence of a $\mathbb C$-Banach space isometric to a Hilbert Space but whose norm is not induced by an inner product? Nov 22 '16
2 Does $A = \{T\in B(R \ ^{d}) : T(x_0) = 0\} $ is open? Nov 17 '16
2 Is there $2 \times 2$ symmetric matrix with eigenvectors $u, v$ where the angle between $u$ and $v$ is not $π/2$? Nov 22 '16
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