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Results tagged with ac.commutative-algebra
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user 39388
Commutative rings, modules, ideals, homological algebra, computational aspects, invariant theory, connections to algebraic geometry and combinatorics.
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The norm of a polynomial f in a skew polynomial ring must be in the center
This is proved in Prop 1.7.1 in Jacobson's book ``Finite dimensional division algebras over fields". But I am not clear why the norm n(f), defined as the norm of the matrix representation of f by righ …
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