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Results tagged with sg.symplectic-geometry
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user 230017
Hamiltonian systems, symplectic flows, classical integrable systems
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Spectrum of an almost Hamiltonian matrix
I have a complex-valued block matrix $N=\begin{bmatrix}
A & B \\
C & -A^*
\end{bmatrix}$, where $A$ is diagonal, $B=B^*$, and $C$ is rank-1 but not Hermitian.
If $C$ were Hermitian, $N$ would be a com …
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