CommRing.relPic

(R : Type u) →
  [inst : CommSemiring R] → (A : Type u_5) → [inst_1 : CommSemiring A] → [Algebra R A] → Subgroup (CommRing.Pic R)

The relative Picard group of an R-algebra A, denoted Pic(A/R), defined to be the kernel of Pic.mapAlgebra R A.

Defined in: Mathlib.RingTheory.PicardGroup
Cited by: 6 results in Mathlib
Foundations: Depth 110 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes: CommSemiring CommSemiring Algebra

Around this declaration

Dashed lines are statement dependencies; solid lines are citations in proofs.

Mathlib declarations this one mentions in its statement or cites explicitly in its proof. Plumbing is filtered out.

Results whose statement or proof uses this declaration.