The Cohomology of Massey-Peterson Algebras.
Arunas Liulevicius (1968)
Mathematische Zeitschrift
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Arunas Liulevicius (1968)
Mathematische Zeitschrift
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Abraham S.-T. Lue (1971)
Mathematische Zeitschrift
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Rolf Farnsteiner (1991)
Mathematische Zeitschrift
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Jaume Aguadé (1981)
Mathematische Zeitschrift
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Guido Mislin (1971)
Mathematische Zeitschrift
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Rolf Farnsteiner (1988)
Mathematische Zeitschrift
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Martin C. Tangora (1970)
Mathematische Zeitschrift
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Roy Joshua (1987)
Mathematische Zeitschrift
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Deena Al-Kadi (2010)
Colloquium Mathematicae
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We study the second Hochschild cohomology group of the preprojective algebra of type D₄ over an algebraically closed field K of characteristic 2. We also calculate the second Hochschild cohomology group of a non-standard algebra which arises as a socle deformation of this preprojective algebra and so show that the two algebras are not derived equivalent. This answers a question raised by Holm and Skowroński.
Takeo Ohsawa (1992)
Mathematische Zeitschrift
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Kenneth A. Brown, Thierry Levasseur (1985)
Mathematische Zeitschrift
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Tim Sauer (1984/85)
Mathematische Zeitschrift
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Helmut Strade, Rolf Farnsteiner (1991)
Mathematische Zeitschrift
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M. Mahowald, W. Lellmann (1986)
Mathematische Zeitschrift
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