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19962026
most citedPseudo-Hermiticity versus PT Symmetry: The necessary condition for the reality of the spectrum of a non-Hermitian Hamiltonian

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math.GT2005

Explicit horizontal open books on some plumbings

Tolga Etgü, Burak Ozbagci

We describe explicit open books on arbitrary plumbings of oriented circle bundles over closed oriented surfaces. We show that, for a non-positive plumbing, the open book we constru…