On Generic differential -extensions |
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Authors: | Lourdes Juan Arne Ledet |
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Institution: | Department of Mathematics, Texas Tech University, MS 1042, Lubbock, Texas 79409 ; Department of Mathematics, Texas Tech University, MS 1042, Lubbock, Texas 79409 |
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Abstract: | Let be an algebraically closed field with trivial derivation and let denote the differential rational field , with , , , , differentially independent indeterminates over . We show that there is a Picard-Vessiot extension for a matrix equation , with differential Galois group , with the property that if is any differential field with field of constants , then there is a Picard-Vessiot extension with differential Galois group if and only if there are with well defined and the equation giving rise to the extension . |
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Keywords: | |
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