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# List of mathematical topics (P-R)

See list of mathematical topics for the purpose and extent of this list.

A-C - D-F - G-I - J-L - M-O - P-R - S-U - V-Z

## P

P-adic analysis -- P-adic number -- P-adic numbers -- P-group -- P-symmetry -- P-vector -- Painter's algorithm -- Palindrome -- Palindromic number -- Parabola -- Paraboloid -- Paracompact -- Paraconsistent logic -- Parallax -- Parallel postulate -- Parallel transport -- Parallelepiped -- Parallelogram -- Parallelogram law -- Parameter -- Parametrization -- Pareto distribution -- Pareto interpolation -- Parity -- Parity bit -- Partial derivative -- Partial differential equation -- Partial fraction -- Partial fractions in integration -- Partial function -- Partial order -- Partially ordered set -- Particle in a box -- Partition function (number theory) -- Partition (mathematics) -- Partition of a set -- Partition of unity -- Partizan game -- Party-list proportional representation -- Pascal, Blaise -- Pascal programming language -- Password length equation -- Pasta, John -- Path -- Path integral -- Path-connected topological space -- Payoff matrix -- P-complete -- Peano axioms -- Peano curve -- Peano, Giuseppe -- Pearson product-moment correlation coefficient -- Pedal triangle -- Pell's equation -- Penrose, Roger -- Penrose stairs -- Penrose tiling -- Penrose triangle -- Pentagonal number theorem -- Pentomino -- Percentage -- Perfect crystal -- Perfect matching -- Perfect number -- Perfect square -- Perimeter -- Period -- Perelman, Grigori -- Permanent -- Permutation -- Permutation group -- Permutation matrix -- Perrin pseudoprime -- Perron Integral -- Perspective -- Perspective distortion -- Perturbation theory -- Pervouchine -- Pervushin -- Pervushin, Ivan Mikheevich -- Petersen graph -- Petersen, Julius -- Peter-Weyl theorem -- Phase diagram -- Phase velocity -- Phase (waves) -- Phasor -- Phenomenology -- Philolaus -- Philosophy of mathematics -- Photon -- Physical constants -- Physical geodesy -- Physics -- Pi -- Pi Approximation Day -- Pi Day -- Picard -- Picard, Charles Emile -- Pick's theorem Talk:Pick's theorem - PID controller -- Pigeonhole principle -- Pisanski, Tomas -- Pitman-Koopman theorem -- Planar graph -- Planck, Max -- Plane -- Plane geometry -- Plane wave -- PlanetMath -- Planning statistical research -- Plano-convex -- Platonic solid -- Playfair cipher -- Plemelj, Josip -- Plotting -- Pluperfect number -- Pochhammer symbol -- Poincaré conjecture -- Poincaré, Henri -- Poincaré group -- Point estimation -- Pointless topology -- Pointwise convergence -- Poisson -- Poisson bracket -- Poisson distribution -- Poisson equation -- Poisson process -- Poisson, Siméon-Denis -- Poisson's equation -- Poisson summation formula -- Polar coordinates -- Polar distance -- Pole -- Pole (complex analysis) -- Polya, George -- Polyamonds -- Polychoron -- Polygon -- Polygonal number -- Polyhedral compound -- Polyhedral dice -- Polyhedron -- Polynomial -- Polynomial interpolation -- Polynomial long division -- Polynomial sequence -- Polynomial time -- Polynomial-time many-one reduction -- Polynomial-time Turing reduction -- Polyomino -- Polysquare puzzle -- Polytope -- Poncelet, Jean-Victor -- Poncelet-Steiner theorem -- Population process -- Positive -- Positive definite -- Post correspondence problem -- Post-order traversal -- Post system -- Power -- Power associativity -- Power law -- Power (mathematics) -- Power series -- Power set -- Power-associative -- Powerful number -- Powers, R. E -- Pre-Abelian category -- Preadditive category -- Precession -- Predicate calculus -- Predicate logic -- Prenex normal form -- Pre-order traversal -- Presburger arithmetic -- Presentation of a group -- Prevalence -- Primality test -- Prime factorization algorithm -- Prime ideal -- Prime knot -- Prime number -- Prime number theorem -- Prime-factor FFT algorithm -- Prime reciprocal magic square -- Primeval number -- Primitive equations -- Primitive pseudoperfect number -- Primitive recursive function -- Primitive root modulo n -- Primitive semiperfect number -- Primorials -- Prim's algorithm -- Principal components analysis -- Principal ideal -- Principal ideal domain -- Principle of Maximum Entropy -- Prism -- Prism (geometry) -- Prismatoid -- Prisoner's dilemma -- Private key -- Probabilist -- Probabilistic algorithm -- Probabilistic method -- Probabilistic Turing Machine -- Probability -- Probability and statistics -- Probability axioms -- Probability density function -- Probability distribution -- Probability interpretations -- Probability space -- Probability theory -- Probability-generating function -- Probable prime -- Problem size -- Product (category theory) -- Product (mathematics) -- Product of groups -- Product of rings -- Product rule -- Product topology -- Pro-finite group -- Prognostic variable -- Programming -- Programming language -- Projective geometry -- Projective plane -- Projective representation -- Projective space -- Prony equation -- Proof by exhaustion -- Proof of Bertrand's postulate -- Proof theory -- Proofs of Fermat's little theorem -- Propagation constant -- Proportional -- Propositional logic -- Prototile -- Pseudoprime -- Pseudo-random number -- Pseudorandom number generator -- Pseudorandom number sequence -- Pseudorandomness -- Pseudosphere -- PSPACE -- PSPACE-complete -- Psychological statistics -- PTIME -- Public key algorithm -- Public key cryptography -- Puiseux, Alexandre -- Pumping lemma -- Punctured neighborhood -- Purple code -- Pushdown automaton -- Putzer, E.J -- Pyramid -- Pythagoras -- Pythagorean theorem -- Pythagorean triple -- Pythagorean tuning -- Pythagoreans --