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Poincaré series of the multigraded algebras ofSL2-invariants

✍ Scribed by L. P. Bedratyuk


Publisher
Springer
Year
2011
Tongue
English
Weight
248 KB
Volume
63
Category
Article
ISSN
0041-5995

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The Poincaré series of the algebra of ra
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Let ∆ be a finite set of nonzero linear forms in several variables with coefficients in a field K of characteristic zero. Consider the K-algebra R(∆) of rational functions on V which are regular outside α∈∆ ker α. Then the ring R(∆) is naturally doubly filtered by the degrees of denominators and of