Global Dimension 4 Extensions of ArtinβS
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Thomas Cassidy
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Article
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1999
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Elsevier Science
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English
β 210 KB
## Ε½ . x 106 1991 , pp. 335α388 and is either quadratic or cubic. The quadratic algebras A w are Koszul, and this fact was used by Le Bruyn, Smith, and Van den Bergh Le Ε½ . x Bruyn et al., Math. Z. 222 1996 , 171α212 to classify the four-dimensional AS Ε½ . regular algebras D when is quadratic an