Austrian Academy of Sciences

Elektronisches Publikationsportal der Österreichischen Akademie der Wissenschaften
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    Von der Erfindung einer „Krankheit“: Das „psychopathische“ Kind um 1900. Schwerpunkt: Medikalisierte Kindheiten. Die neue Sorge um das Kind vom ausgehenden 19. bis ins späte 20. Jahrhundert

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    At the turn of the twentieth century, more and more school children were considered mentally “abnormal” by pedagogues and psychiatrists. “Psychopathic inferiorities” (Psychopathische Minderwertigkeiten) quickly turned into a fashionable diagnosis. This article deals with the concept of psychopathy, which developed around 1900 in the context of pedagogy and psychiatry, and reconstructs the psychopathologization of school children by pedagogy and psychiatryin Germany. Based on selected case studies, the paper compares their ideas of the so called psychopathic child. By analysing the functions of the discourse about the “psychopathic” child, the author explains the significant success of the diagnosis “psychopathy”

    Critical Commentary

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    Der gesellschaftliche Hintergrund der Psychiatrie in den westlichen Besatzungszonen Deutschlands (ab 1949 Bundesrepublik Deutschland) 1945–1970. Schwerpunkt: Gesellschaft und Psychiatrie in Österreich 1945 bis ca. 1970

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    Although psychiatry in Germany was devastated after 1945 by the involvement of manyGerman psychiatrists in Nazi-“euthanasia”, the continuities in the hospitalization of patients and of therapy still existed. Change took place not only through the influence of the social psychiatry emerging in Great Britain and the USA, but through the critical debate onNazi-crimes that started in the German society after World War II and especially following the students’ movement after 1968. Young psychiatrists then did not only condemn these crimes, but also excoriated the deplorable situation in the asylums and became forerunners of changes in the asylums themselves and in the therapy applied. All this led to the psychiatry-Enquete that was issued by the parliament in 1975 and is still the basis of every reform in psychiatry

    Substitution algorithms for rational matrix equations. ETNA - Electronic Transactions on Numerical Analysis

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    We study equations of the form r(X)=A, where r is a rational function and A and X are square matrices of the same size. We develop two techniques for solving these equations by inverting (through a substitution strategy) two schemes for the evaluation of rational functions of matrices. For triangular matrices, the new methods yield the same computational cost as the evaluation schemes from which they are obtained. A general equation can be reduced to upper triangular form by exploiting the Schur decomposition of the given matrix. For real data, the algorithms rely on the real Schur decomposition in order to compute real solutions using only real arithmetic. Numerical experiments show that our implementations are faster than existing alternatives without sacrificing accuracy

    ISR-BULLETIN

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    Perturbation analysis on matrix pencils for two specified eigenpairs of a semisimple eigenvalue with multiplicity two. ETNA - Electronic Transactions on Numerical Analysis

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    In this paper, we derive backward error formulas of two approximate eigenpairs of a semisimple eigenvalue with multiplicity two for structured and unstructured matrix pencils. We also construct the minimal structured perturbations with respect to the Frobenius norm such that these approximate eigenpairs become exact eigenpairs of an appropriately perturbed matrix pencil. The structures we consider include T-symmetric/T-skew-symmetric, Hermitian/skew-Hermitian, T-even/T-odd, and H-even/H-odd matrix pencils. Further, we establish various relationships between the backward error of a single approximate eigenpair and the backward error of two approximate eigenpairs of a semisimple eigenvalue with multiplicity two

    Singer, Heinrich Alois Karl

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    * 8.6.1881 Wien, † 9.9.1951 Wien. Lehrer und Kirchenmusiker

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    Elektronisches Publikationsportal der Österreichischen Akademie der Wissenschaften is based in Austria
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