List of Theorems - B

B

• BEST theorem (graph theory)
• Babuška–Lax–Milgram theorem (partial differential equations)
• Baily–Borel theorem (algebraic geometry)
• Baire category theorem (topology, metric spaces)
• Balian–Low theorem (Fourier analysis)
• Balinski's theorem (combinatorics)
• Banach–Alaoglu theorem (functional analysis)
• Banach–Mazur theorem (functional analysis)
• Banach fixed point theorem (metric spaces, differential equations)
• Banach–Steinhaus theorem (functional analysis)
• Banach–Stone theorem (operator theory)
• Bang's theorem (geometry)
• Barbier's theorem (geometry)
• Bapat–Beg theorem (statistics)
• Baranyai's theorem (combinatorics)
• Barwise compactness theorem (mathematical logic)
• Bass's theorem (group theory)
• Basu's theorem (statistics)
• Bauer–Fike theorem (spectral theory)
• Bayes' theorem (probability)
• Beatty's theorem (diophantine approximation)
• Beauville–Laszlo theorem (vector bundles)
• Beck's monadicity theorem (category theory)
• Beck's theorem (incidence geometry)
• Beckman–Quarles theorem (Euclidean geometry)
• Beer's theorem (metric geometry)
• Behnke–Stein theorem (several complex variables)
• Bell's theorem (quantum theory – physics)
• Beltrami's theorem (Riemannian geometry)
• Belyi's theorem (algebraic curves)
• Bendixson–Dulac theorem (dynamical systems)
• Berger–Kazdan comparison theorem (Riemannian geometry)
• Bernstein's theorem (functional analysis)
• Berry–Esséen theorem (probability theory)
• Bertini's theorem (algebraic geometry)
• Bertrand–Diquet–Puiseux theorem (differential geometry)
• Bertrand's ballot theorem (probability theory, combinatorics)
• Bertrand's postulate (prime numbers)
• Besicovitch covering theorem (mathematical analysis)
• Betti's theorem (physics)
• Beurling–Lax theorem (Hardy spaces)
• Bézout's theorem (algebraic curves)
• Bing metrization theorem (general topology)
• Bing's recognition theorem (geometric topology)
• Binomial inverse theorem (matrix theory)
• Binomial theorem (algebra, combinatorics)
• Birch's theorem (Diophantine equation)
• Birkhoff–Grothendieck theorem (vector bundles)
• Birkhoff–Von Neumann theorem (matrix theory)
• Birkhoff's representation theorem (lattice theory)
• Birkhoff's theorem (ergodic theory)
• Birkhoff's theorem (relativity) (physics)
• Bishop–Cannings theorem (economics)
• Blaschke selection theorem (geometric topology)
• Bloch's theorem (complex analysis)
• Blondel's theorem (electric power) (physics)
• Blum's speedup theorem (computational complexity theory)
• Bôcher's theorem (complex analysis)
• Bogoliubov–Parasyuk theorem (physics)
• Bohr–Mollerup theorem (gamma function)
• Bohr–van Leeuwen theorem (physics)
• Bolyai–Gerwien theorem (discrete geometry)
• Bolzano's theorem (real analysis, calculus)
• Bolzano–Weierstrass theorem (real analysis, calculus)
• Bombieri's theorem (number theory)
• Bombieri–Friedlander–Iwaniec theorem (number theory)
• Bondareva–Shapley theorem (economics)
• Bondy's theorem (graph theory, combinatorics)
• Bondy–Chvátal theorem (graph theory)
• Bonnet theorem (differential geometry)
• Boolean prime ideal theorem (mathematical logic)
• Borel–Bott–Weil theorem (representation theory)
• Borel–Carathéodory theorem (complex analysis)
• Borel–Weil theorem (representation theory)
• Borel determinacy theorem (set theory)
• Borel fixed-point theorem (algebraic geometry)
• Borsuk–Ulam theorem (topology)
• Bott periodicity theorem (homotopy theory)
• Bounded convergence theorem (measure theory)
• Bounded inverse theorem (operator theory)
• Bourbaki–Witt theorem (order theory)
• Brahmagupta theorem (Euclidean geometry)
• Branching theorem (complex manifold)
• Brauer–Nesbitt theorem (representation theory of finite groups)
• Brauer–Siegel theorem (number theory)
• Brauer–Suzuki theorem (finite groups)
• Brauer–Suzuki–Wall theorem (group theory)
• Brauer's theorem (number theory)
• Brauer's theorem on induced characters (representation theory of finite groups)
• Brauer's three main theorems (finite groups)
• Brauer–Cartan–Hua theorem (ring theory)
• Brianchon's theorem (conics)
• British flag theorem (Euclidean geometry)
• Brooks’ theorem (graph theory)
• Brouwer fixed point theorem (topology)
• Browder–Minty theorem (operator theory)
• Brown's representability theorem (homotopy theory)
• Bruck–Chowla–Ryser theorem (combinatorics)
• Brun's theorem (number theory)
• Brun–Titchmarsh theorem (number theory)
• Brunn–Minkowski theorem (Riemannian geometry)
• Buckingham π theorem (dimensional analysis)
• Burke's theorem (probability theory) (queueing theory)
• Burnside theorem (group theory)
• Busemann's theorem (Euclidean geometry)
• Butterfly theorem (Euclidean geometry)