List of Theorems - A

A

• AF+BG theorem (algebraic geometry)
• ATS theorem (number theory)
• Abel's binomial theorem (combinatorics)
• Abel's curve theorem (mathematical analysis)
• Abel's theorem (mathematical analysis)
• Abelian and tauberian theorems (mathematical analysis)
• Abel–Jacobi theorem (algebraic geometry)
• Abel–Ruffini theorem (theory of equations, Galois theory)
• Abhyankar–Moh theorem (algebraic geometry)
• Abouabdillah's theorem (geometry,number theory)
• Absolute convergence theorem (mathematical series)
• Acyclic models theorem (algebraic topology)
• Addition theorem (algebraic geometry)
• Adiabatic theorem (physics)
• Ado's theorem (Lie algebra)
• Ahiezer's theorem (complex analysis)
• Akra–Bazzi theorem (computer science)
• Albert–Brauer–Hasse–Noether theorem (algebras)
• Alchian–Allen theorem (economics)
• Alperin–Brauer–Gorenstein theorem (finite groups)
• Amitsur–Levitzki theorem (linear algebra)
• Analytic Fredholm theorem (functional analysis)
• Anderson's theorem (real analysis)
• Andreotti–Frankel theorem (algebraic geometry)
• Angle bisector theorem (Euclidean geometry)
• Ankeny–Artin–Chowla theorem (number theory)
• Apéry's theorem (number theory)
• Apollonius' theorem (plane geometry)
• Appell–Humbert theorem (complex manifold)
• Area theorem (conformal mapping) (complex analysis)
• Arithmetic Riemann–Roch theorem (algebraic geometry)
• Aronszajn–Smith theorem (functional analysis)
• Arrival theorem (queueing theory)
• Arrow's impossibility theorem (game theory)
• Art gallery theorem (geometry)
• Artin approximation theorem (commutative algebra)
• Artin–Schreier theorem (real closed fields)
• Artin–Wedderburn theorem (abstract algebra)
• Artin–Zorn theorem (algebra)
• Artstein's theorem (control theory)
• Arzelà–Ascoli theorem (functional analysis)
• Atiyah–Bott fixed-point theorem (differential topology)
• Atiyah–Segal completion theorem (homotopy theory)
• Atiyah–Singer index theorem (elliptic differential operators, harmonic analysis)
• Atkinson's theorem (operator theory)
• Aumann's agreement theorem (statistics)
• Autonomous convergence theorem (dynamical systems)
• Auxiliary polynomial theorem (diophantine approximation)
• Ax–Grothendieck theorem (model theory)
• Ax–Kochen theorem (number theory)
• Aztec diamond theorem (combinatorics)