211theorem shiftInvOp_shiftOp (p : Nat.Primes) : 212 shiftInvOp p ∘ₗ shiftOp p = LinearMap.id := by
proof body
Term-mode proof.
213 ext v 214 simp only [LinearMap.coe_comp, Function.comp_apply, 215 shiftOp_single, shiftInvOp_single, Finsupp.lsingle_apply, 216 LinearMap.id_apply] 217 congr 1 218 abel 219 220/-! ## The candidate Hilbert--Pólya operator (algebraic part) -/ 221 222/-- The off-diagonal piece for a single prime: `V_p + V_p^{-1}`. 223 This is the "hopping" term in the multiplicative direction `p`. -/
depends on (15)
Lean names referenced from this declaration's body.