Algebraic elements in formal power series rings. II (Q915794)

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scientific article; zbMATH DE number 4152545
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Algebraic elements in formal power series rings. II
scientific article; zbMATH DE number 4152545

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    Algebraic elements in formal power series rings. II (English)
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    1989
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    [For part I see ibid. 63, No.3, 281-288 (1988; Zbl 0675.13015).] One considers algebraic formal power series in several variables over a perfect field of characteristic \(p.\) Upper bounds are obtained for the degrees of their diagonals, Hadamard products and Lamperti products.
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    formal power series
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    characteristic p
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    Hadamard products
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    Lamperti products
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