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Fields as algebraic objects. For vector and tensor fields, use eg. [dg.differential-geometry]. For physical fields, use eg. [mp.mathematical-physics] or [quantum-field-theory].

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Isomorphism problem for finite dimensional central division algebras over a function field i...

Let K be the fraction field of C[x,y] where C denotes the complex numbers. Suppose D and E are two central division algebras over K of degree n, i.e. dim(D)=dim(E)=n^2. Is there any natural criterium …
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