List of Theorems - P

P

• PCP theorem (computational complexity theory)
• Paley's theorem (algebra)
• Paley–Wiener theorem (Fourier transforms)
• Pandya theorem (nuclear physics)
• Pappus's centroid theorem (geometry)
• Pappus's hexagon theorem (geometry)
• Paris–Harrington theorem (mathematical logic)
• Parovicenko's theorem (topology)
• Parallel axis theorem (physics)
• Parseval's theorem (Fourier analysis)
• Parthasarathy's theorem (game theory)
• Pascal's theorem (conics)
• Pasch's theorem (order theory)
• Peano existence theorem (ordinary differential equations)
• Peetre theorem (functional analysis)
• Peixoto's theorem (dynamical systems)
• Penrose–Hawking singularity theorems (physics)
• Pentagonal number theorem (number theory)
• Perfect graph theorem (graph theory)
• Perlis theorem (graph theory)
• Perpendicular axis theorem (physics)
• Perron–Frobenius theorem (matrix theory)
• Peter–Weyl theorem (representation theory)
• Phragmen–Lindelöf theorem (complex analysis)
• Picard theorem (complex analysis)
• Picard–Lindelöf theorem (ordinary differential equations)
• Pick's theorem (geometry)
• Pickands–Balkema–de Haan theorem (extreme value theory)
• Pitman–Koopman–Darmois theorem (statistics)
• Pitot theorem (plane geometry)
• Pivot theorem (circles)
• Planar separator theorem (graph theory)
• Plancherel theorem (Fourier analysis)
• Plancherel theorem for spherical functions (representation theory)
• Poincaré–Bendixson theorem (dynamical systems)
• Poincaré–Birkhoff–Witt theorem (universal enveloping algebras)
• Poincaré–Hopf theorem (differential topology)
• Poincaré duality theorem (algebraic topology of manifolds)
• Poincaré recurrence theorem (dynamical systems)
• Poisson limit theorem (probability)
• Pólya enumeration theorem (combinatorics)
• Pompeiu's theorem (Euclidean geometry)
• Poncelet's closure theorem (conics)
• Poncelet–Steiner theorem (geometry)
• Positive energy theorem (physics)
• Post's theorem (mathematical logic)
• Poynting's theorem (physics)
• Preimage theorem (differential topology)
• Price's theorem (physics)
• Prime number theorem (number theory)
• Primitive element theorem (field theory)
• Principal axis theorem (linear algebra)
• Principal ideal theorem (algebraic number theory)
• Prokhorov's theorem (measure theory)
• Proper base change theorem (algebraic geometry)
• Proth's theorem (number theory)
• Pseudorandom generator theorem (computational complexity theory)
• Ptolemaios' theorem (geometry)
• Pythagorean theorem (geometry)