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Results tagged with fields
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user 43639
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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Actions of $\mathbb Z/2\mathbb Z$ on algebraically closed fields and even-dimensional sphere...
It is well known that there is a parallel between Galois theory and covering theory. So I wonder whether there is a deep similarity between the following two facts:
Artin-Schreier theorem. The only n …
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