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267 results on '"Schneider, Hans-Jürgen"'

53. On actions of the additive group on the Weyl algebra

Author

Restuccia, Gaetana and Schneider, Hans-Jürgen

Subjects
coaction, Weyl algebra, non commutative algebras, Mathematics::Quantum Algebra, lcsh:Science (General), lcsh:Q1-390
Abstract

We construct classes of examples of H−coactions and H−Galois coactions on the Weyl algebra in characteristic p > 0 where H is the function algebra of the additive group of dimension p2. In particular we show that the main result obtained in a preceeding paper [G. Restuccia and H.-J. Schneider, J. Algebra 261, 229 (2003)] cannot be generalized to non-commutative algebras.

Published
2005

60. A Braided Version of Some Results of Skryabin.

Author

Schneider, Hans-Jürgen and Torrecillas, Blas

Subjects
HOPF algebras, BIJECTIONS, MODULES (Algebra), IDEALS (Algebra), ARBITRARY constants, MATHEMATICAL analysis
Abstract

We extend the main result of Skryabin in [9] to Yetter-Drinfeld Hopf algebras over an arbitrary Hopf algebraHwith bijective antipode. [ABSTRACT FROM AUTHOR]

Published
2016
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61. Incidence of pulmonary vein stenosis after pulmonary vein isolation by use of cryoenergy in patients with therapy-refractory atrial fibrillation in the long-term course

Author

Greiss, Harald, primary, Kuniss, Malte, additional, Kurzidim, Klaus, additional, Zaltsberg, Sergey, additional, Schneider, Hans-Jürgen, additional, Hansel, Jochen, additional, Dill, Thorsten, additional, Berkowitsch, Alexander, additional, Sperzel, Johannes, additional, and Pitschner, Heinz-Friedrich, additional

Published
2005
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64. Graph Transformations in Computer Science (Dagstuhl Seminar 9637)

Author

Hartmut Ehrig and Ugo Montanari and Grzegorz Rozenberg and Hans Jürgen Schneider, Ehrig, Hartmut, Montanari, Ugo, Rozenberg, Grzegorz, Schneider, Hans Jürgen, Hartmut Ehrig and Ugo Montanari and Grzegorz Rozenberg and Hans Jürgen Schneider, Ehrig, Hartmut, Montanari, Ugo, Rozenberg, Grzegorz, and Schneider, Hans Jürgen

Published
1996
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66. Graph-Transformations in Computer Science (Dagstuhl Seminar 9301)

Author

Bruno Courcelle and Hartmut Ehrig and Grzegorz Rozenberg and Hans Jürgen Schneider, Courcelle, Bruno, Ehrig, Hartmut, Rozenberg, Grzegorz, Schneider, Hans Jürgen, Bruno Courcelle and Hartmut Ehrig and Grzegorz Rozenberg and Hans Jürgen Schneider, Courcelle, Bruno, Ehrig, Hartmut, Rozenberg, Grzegorz, and Schneider, Hans Jürgen

Published
1992
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71. The Influence of Bradycardia and Normofrequent Ventricular Pacing on Myocardial Blood Flow and Energy Demand in Rats.

Author

Pfeiffer, Dietrich, Hagendorff, Andreas, and Schneider, Hans-Jürgen

Subjects
BRADYCARDIA, ADRENERGIC beta blockers, CEREBRAL circulation, MICROSPHERES, ISCHEMIA, LABORATORY rats
Abstract

The purpose of the present study was to determine the effect of β-blockade-induced bradycardia and normofrequent ventricular pacing (VP) on regional myocardial (MBF) and cerebral blood flow (CBF) as well as on myocardial oxygen consumption (MVO[sub 2] ) using colored microspheres. The MBF at sinus rhythm (SR) was 4.60 ± 1.27 ml/g/min and decreased to 3.80 ± 0.74 ml/g/min (p < 0.05) during β-blockade. The MBF was 5.10 ± 1.88 ml/g/min during VP with β-blockade. The endo-/epicardial MBF ratio during VP was significantly reduced. MVO[sub 2] at β-blockade was significantly lower (0.21 ± 0.06 ml/g × min[sup –1] , p < 0.05) than at SR (0.47 ± 0.15 ml/g × min[sup –1] ) and during VP with β-blockade (0.54 ± 0.14 ml/g × min[sup –1] ). Results: (i) MBF and MVO[sub 2] are reduced with decreasing mean arterial pressure (MAP) during β-blockade-induced bradycardia, but MBF and MVO[sub 2] are significantly increased during normofrequent VP with β-blockade despite a further reduction in MAP. (ii) The MBF ratio is constant during β-blockade but is significantly lower during normofrequent VP with β-blockade. (iii) CBF remained constant during all experimental conditions. Conclusion: Despite β-blockade, the subendocardium is jeopardized during normofrequent VP by ischemia.Copyright © 2003 S. Karger AG, Basel [ABSTRACT FROM AUTHOR]

Published
2003

72. Tarantula hemocyanin mRNA.

Author

Voit, Renate and Schneider, Hans-Jürgen

Subjects
*HEMOCYANIN, *MESSENGER RNA, *TARANTULAS, *BLOOD pigments, *RNA, *NUCLEIC acids
Abstract

Reports on the isolation of hemocyanin mRNA from tarantula hemocytes in its in vitro translation. Technique for obtaining transcription into cDNA and cloning of the cDNA; Characterization of the clone characterized by restriction mapping and sequencing.

Published
1986
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97. Synthese und Konformation von Kollagenmodellen

Author

Rothe, Manfred, primary, Theysohn, Rainer, additional, Steffen, Klaus-Dieter, additional, Schneider, Hans-Jürgen, additional, Zamani, Mohamed, additional, Kostrzewa, Michael, additional, and Schindler, Wolfgang, additional

Published
1970
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