Extensive categories, commutative semirings and Galois theory
We describe the Galois theory of commutative semirings as a Boolean Galois theory in the sense of Carboni and Janelidze. Such a Galois structure then naturally suggests an extension to commutative semirings of the classical theory of quadratic equations over commutative rings. We show, however, that...
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| Format: | Dissertation |
| Language: | English |
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Faculty of Science
2020
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| Online Access: | http://hdl.handle.net/11427/32412 |