feat(Mathlib.RingTheory.TensorProduct.Polynomial) : tensor product of a (univariate) polynomial ring#12294
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AntoineChambert-Loir wants to merge 87 commits intomasterfrom
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feat(Mathlib.RingTheory.TensorProduct.Polynomial) : tensor product of a (univariate) polynomial ring#12294AntoineChambert-Loir wants to merge 87 commits intomasterfrom
AntoineChambert-Loir wants to merge 87 commits intomasterfrom
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Change i to iota Co-authored-by: Junyan Xu <junyanxu.math@gmail.com>
(should not have been in this branch) This reverts commit 118c80a.
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We define a linear equivalence of a polynomial ring by a module with a finsupp type.
We prove lemmas that allow to manipulate this equivalence.
This is adapted from the content of #12293, but since
Polynomialis a structure containing aFinsupp, these functionscan't be applied directly to
Polynomial.Some linear equivs need to be added to mathlib for that.