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GRADED FACTORIAL ALGEBRAS OF DIMENSION TWO
Published online by Cambridge University Press: 01 March 1998
Abstract
Extending a theorem of S. Mori [6], we characterize two-dimensional factorial algebras which are graded by a finitely generated abelian group of rank one and which are affine over an algebraically closed field. The result is related to the classification of weighted projective lines [2, 5] and to the topic of canonical algebras [7].
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- © The London Mathematical Society 1998
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