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Theorems · Definition · commutative algebra

MvPowerSeries.finSuccEquiv

(R : Type u_2) →
  [inst : CommSemiring R] → (n : ℕ) → MvPowerSeries (Fin (n + 1)) R ≃ₐ[R] PowerSeries (MvPowerSeries (Fin n) R)

The algebra isomorphism between multivariable power series in Fin (n + 1) and power series over multivariable power series in Fin n.

Defined in
Mathlib.RingTheory.MvPowerSeries.Equiv
Cited by
5 results in Mathlib
Foundations
Depth 104 from the axioms · uses propext, Classical.choice, Quot.sound
Assumes
CommSemiring

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