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https://hdl.handle.net/10316/43871| Title: | A Galois theory for monoids | Authors: | Montoli, Andrea Rodelo, Diana Van der Linden, Tim |
Issue Date: | 2014 | Publisher: | Mount Allison University | Project: | info:eu-repo/grantAgreement/FCT/COMPETE/132981/PT | Serial title, monograph or event: | Theory and Applications of Categories | Volume: | 29 | Abstract: | We show that the adjunction between monoids and groups obtained via the Grothendieck group construction is admissible, relatively to surjective homomorphisms, in the sense of categorical Galois theory. The central extensions with respect to this Galois structure turn out to be the so-called special homogeneous surjections. | URI: | https://hdl.handle.net/10316/43871 | Rights: | openAccess |
| Appears in Collections: | I&D CMUC - Artigos em Revistas Internacionais |
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| File | Description | Size | Format | |
|---|---|---|---|---|
| agtfm-dmuc-14_06.pdf | 253.8 kB | Adobe PDF | View/Open |
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