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Showing 1 to 1 of 1 for “"Frobeniusmoduln"”.
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Difference equations with semisimple Galois groups in positive characteristic
Let F be a field with an automorphism sigma on F. A (linear) difference equation over F is an equation of the form sigma(y)=Ay with A in GL_n(F) and y a vector consisting of n indeterminates. There is the notion of a Picard-Vessiot ring which is in some sense a "smallest" difference ring extension …