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LeanPool.RegtsSevenster.RS.Classical.Deligne.GammaPairRetractRight

The comparison map on a family of retracts, second variable #

The mirror of RS.isIso_gammaPairComparison_of_retracts: a finite family of retracts in the second module variable, total in the same sense, transports invertibility of the comparison map of Deligne's (2.11.1) in exactly the same way.

theorem RS.SuperCommAlgebra.Mod.tensorHom_add_right {S : SuperCommAlgebra} {M N P Q : S.Mod} (f : M ⟶ P) (g g' : N ⟶ Q) :
tensorHom f (g + g') = tensorHom f g + tensorHom f g'

The tensor product of super modules is additive in the right variable.

The tensor product of super modules kills the zero morphism in the right variable.

theorem RS.SuperCommAlgebra.Mod.tensorHom_sum_right {S : SuperCommAlgebra} {M N P Q : S.Mod} {ι : Type u_1} (s : Finset ι) (f : M ⟶ P) (g : ι → (N ⟶ Q)) :
tensorHom f (∑ i ∈ s, g i) = ∑ i ∈ s, tensorHom f (g i)

The tensor product of super modules takes a finite sum in the right variable to a finite sum.