Logβcanonical forms and log canonical si
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Hubert Flenner; Mikhail Zaidenberg
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Article
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2003
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John Wiley and Sons
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English
β 275 KB
## Abstract For a normal subvariety __V__ of β^__n__^ with a good β\*βaction we give a simple characterization for when it has only log canonical, log terminal or rational singularities. Moreover we are able to give formulas for the plurigenera of isolated singular points of such varieties and of t