Similar to 二重再帰法
 - Axiom (数式処理システム)Axiom (computer algebra system)
 - A¹ ホモトピー理論A¹ homotopy theory
 - A∞-オペラドA∞-operad
- B*-環
 - Ba空間Ba space
 - BCH符号BCH code
 - BCJRアルゴリズムBCJR algorithm
 - BEAF
 - BHHH法Berndt–Hall–Hall–Hausman algorithm
 - BPP (計算複雑性理論)BPP (complexity)
 - BQPBQP
 - Brilliant.orgBrilliant (website)
 - Bulletin de la Société mathématique de FranceBulletin de la Société Mathématique de France
 - B-スプライン曲線B-spline
 - C0半群C0-semigroup
 - Calculus on Manifolds (書籍)Calculus on Manifolds (book)
 - Catalogue of Triangle CubicsCatalogue of Triangle Cubics
 - CFL条件Courant–Friedrichs–Lewy condition
 - CircumgonCircumgon
 - CMA-ESCMA-ES
 - CMアーベル多様体Complex multiplication of abelian varieties
 - CM体CM-field
 - Co-NPCo-NP
 - Cramer-Shoup暗号Cramer–Shoup cryptosystem
 - Crux MathematicorumCrux Mathematicorum
 - CR多様体CR manifold
- CW複体CW complex
 - C*-環C*-algebra