Documentation

Atlas.ArithmeticGeometry.code.WeierstrassValBound

theorem zpow_inj_prime {p : ℕ} [hp : Fact (Nat.Prime p)] {a b : ℤ} (h : ↑p ^ a = ↑p ^ b) :
a = b
theorem val_neg_implies_norm_gt_one {p : ℕ} [hp : Fact (Nat.Prime p)] {a : ℚ_[p]} (h : a.valuation < 0) :
theorem ultra3_padic {p : ℕ} [hp : Fact (Nat.Prime p)] {a b c : ℚ_[p]} (hb : ‖b‖ < ‖a‖) (hc : ‖c‖ < ‖a‖) :
‖a + b + c‖ = ‖a‖
theorem ultra4_padic {p : ℕ} [hp : Fact (Nat.Prime p)] {a b c d : ℚ_[p]} (hb : ‖b‖ < ‖a‖) (hc : ‖c‖ < ‖a‖) (hd : ‖d‖ < ‖a‖) :
‖a + b + c + d‖ = ‖a‖
theorem rhs_norm_le_one {p : ℕ} [hp : Fact (Nat.Prime p)] {a₂ a₄ a₆ x : ℚ_[p]} (hn₂ : ‖a₂‖ ≤ 1) (hn₄ : ‖a₄‖ ≤ 1) (hn₆ : ‖a₆‖ ≤ 1) (hx_le : ‖x‖ ≤ 1) :
‖x ^ 3 + a₂ * x ^ 2 + a₄ * x + a₆‖ ≤ 1
theorem rhs_norm_eq_cube {p : ℕ} [hp : Fact (Nat.Prime p)] {a₂ a₄ a₆ x : ℚ_[p]} (hn₂ : ‖a₂‖ ≤ 1) (hn₄ : ‖a₄‖ ≤ 1) (hn₆ : ‖a₆‖ ≤ 1) (hx_gt : 1 < ‖x‖) :
‖x ^ 3 + a₂ * x ^ 2 + a₄ * x + a₆‖ = ‖x‖ ^ 3