[Merged by Bors] - feat(Algebra/Hom/Centroid) : Homomorphism from centre into centroid #7843
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This reverts commit 7e31907.
Co-authored-by: Eric Wieser <wieser.eric@gmail.com>
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Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
Co-authored-by: Jireh Loreaux <loreaujy@gmail.com>
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…7843) Defines the natural homomorphism from the centre of a non-unital, non-associative semiring into the centroid of the semiring. When the semiring is unital, the centre and the centroid are isomorphic. Co-authored-by: Christopher Hoskin <christopher.hoskin@gmail.com> Co-authored-by: Christopher Hoskin <mans0954@users.noreply.github.com> Co-authored-by: Christopher Hoskin <christopher.hoskin@overleaf.com>
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…7843) Defines the natural homomorphism from the centre of a non-unital, non-associative semiring into the centroid of the semiring. When the semiring is unital, the centre and the centroid are isomorphic. Co-authored-by: Christopher Hoskin <christopher.hoskin@gmail.com> Co-authored-by: Christopher Hoskin <mans0954@users.noreply.github.com> Co-authored-by: Christopher Hoskin <christopher.hoskin@overleaf.com>
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Defines the natural homomorphism from the centre of a non-unital, non-associative semiring into the centroid of the semiring. When the semiring is unital, the centre and the centroid are isomorphic.