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Pfister’s Theorem Fails in the Free Case - MaRDI portal

Pfister’s Theorem Fails in the Free Case (Q2849463)

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scientific article; zbMATH DE number 6208983
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English
Pfister’s Theorem Fails in the Free Case
scientific article; zbMATH DE number 6208983

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    Pfister’s Theorem Fails in the Free Case (English)
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    18 September 2013
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    Pfister theorem
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    17th Hilbert problem
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    positive polynomials
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    free *-algebras
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    sums of squares
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