437 resultados para Conoide de Sturm


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von B. Gruber

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von Bernhard Cohn

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We consider one-dimensional Schrödinger-type operators in a bounded interval with non-self-adjoint Robin-type boundary conditions. It is well known that such operators are generically conjugate to normal operators via a similarity transformation. Motivated by recent interests in quasi-Hermitian Hamiltonians in quantum mechanics, we study properties of the transformations and similar operators in detail. In the case of parity and time reversal boundary conditions, we establish closed integral-type formulae for the similarity transformations, derive a non-local self-adjoint operator similar to the Schrödinger operator and also find the associated “charge conjugation” operator, which plays the role of fundamental symmetry in a Krein-space reformulation of the problem.

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Welsch (Projektbearbeiter): Befehlsverweigerung der Wiener Grenadierbataillone, die zum Kampf gegen die aufständischen Ungarn nach Mähren verlegt werden sollen; Verbrüderung mit der Wiener Nationalgarde. In den sich anschließenden Kämpfen mit regierungstreuen Truppenteilen wird der österreichische Kriegsminister Latour von einer Volksmenge gelyncht (6. Oktober 1848)

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J. L.

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Maxim Gorki

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Ephraim Mose Lilien

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Simon Bernfeld

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Berthold Feiwel

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David Kaufmann

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Fritz Gross

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Ernst Waldinger

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M. J. Bin Gorion (Berdyczewski)