122
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JSYML
2011
14 years 10 months ago
2011
Abstract. This paper introduces a natural extension of Kolchin’s differential Galois theory to positive characteristic iterative differential fields, generalizing to the non-li...
104
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AML
2004
15 years 3 months ago
2004
We characterise imaginaries (up to interdefinability) in Hilbert spaces using a Galois theory for compact unitary groups.