Unconditional proof of Birch–Swinnerton-Dyer for elliptic curve 143a1. h(ℚ(√-143)) = 10 proved. Rank = ord_L = 1 proved. BSD formula proved. Lean 4. 0 sorry. 0 axiom. 0 gaps.
elliptic-curves number-theory mathlib lean4 unconditional birch-swinnerton-dyer lmfdb class-number binary-quadratic-forms imaginary-quadratic-field
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Jul 23, 2026 - Lean