Tech May 15, 2026 15 min Elliptic curves and modular forms are the same thing, plus Fermat's Last Theorem Elliptic curve group law, discrete log behind ECDH, and the Frey-Ribet-Wiles argument that proved Fermat's Last Theorem, walked through with diagrams of y² = x³ + ax + b, point addition cases, and the modularity logic chain. 数学 数式 暗号化 TLS 楕円曲線 フェルマーの最終定理 モジュラー形式 ECC
