In this paper, we characterize internal categories in the category of crossed semimodules and the category of Schreier internal categories within monoids. Then we prove a natural equivalence between their categories. This allows us to produce various examples of double categories. .
| Primary Language | English |
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| Subjects | Mathematical Sciences |
| Journal Section | Articles |
| Authors | |
| Publication Date | October 15, 2020 |
| Submission Date | February 21, 2020 |
| Acceptance Date | April 17, 2020 |
| Published in Issue | Year 2020 Volume: 8 Issue: 2 |