Wikipedia:Missing science topics/ExistingMathP


 * P Versus NP Problem
 * P-'-group
 * P-adic absolute value
 * P-adic integer
 * P-adic integers
 * P-adic norm
 * P-adic number
 * P-element
 * P-form
 * P-group
 * P-Series or P-series
 * P-System or P-system
 * P-Value or P-value
 * Paasche's index
 * Packing
 * Pact
 * Padovan sequence
 * Padé approximant
 * Padé approximation
 * Painlevé equation
 * Painlevé property
 * Painlevé transcendents
 * Pair
 * Paired
 * Paired t-test
 * Pairing
 * Pairing function
 * Pairwise
 * Pairwise disjoint
 * Pairwise independence
 * Paley's Theorem or Paley's theorem
 * Paley-Wiener theorem
 * Palindrome
 * Palindrome number
 * Palindromic number
 * Palindromic prime
 * Palprime
 * Pancake sorting
 * Pandiagonal magic cube
 * Pandiagonal magic square
 * Pandigital
 * Pandigital number
 * Panmagic square
 * Pantograph
 * Papal Cross or Papal cross
 * Paper bag
 * Paper Folding or Paper folding
 * Pappus graph
 * Pappus's centroid theorem
 * Pappus's hexagon theorem
 * Pappus's Theorem or Pappus's theorem
 * Pappus-Guldinus theorem
 * Parabiaugmented dodecahedron
 * Parabiaugmented hexagonal prism
 * Parabiaugmented truncated dodecahedron
 * Parabidiminished rhombicosidodecahedron
 * Parabigyrate rhombicosidodecahedron
 * Parabola
 * Parabolic coordinates
 * Parabolic cylinder function
 * Parabolic cylindrical coordinates
 * Parabolic geometry
 * Parabolic Partial Differential Equation or Parabolic partial differential equation
 * Parabolic subalgebra
 * Parabolic subgroup
 * Paraboloid
 * Paraboloidal coordinates
 * Paracompact space
 * Paracompact topological space
 * Paracompactness criteria
 * Paraconsistent logic
 * Paradox
 * Paragyrate diminished rhombicosidodecahedron
 * Parallax
 * Parallel
 * Parallel Axiom or Parallel axiom
 * Parallel Computing or Parallel computing
 * Parallel curve
 * Parallel curves
 * Parallel Lines or Parallel lines
 * Parallel planes
 * Parallel postulate or Parallel Postulate
 * Parallel programming
 * Parallel random access machine
 * Parallel translation
 * Parallel transport
 * Parallelepiped
 * Parallelism
 * Parallelism axiom
 * Parallelizable
 * Parallelizable manifold
 * Parallelogram
 * Parallelogram law
 * Parallelopipedon
 * Parameter
 * Parameterization
 * Parametric equation
 * Parametric equations
 * Parametric representation
 * Parametric statistics
 * Parametrization
 * Parametrized Surface or Parametrized surface
 * Parasitic number
 * Parent node
 * Parenthesis
 * Pareto distribution
 * Pareto dominant
 * Paris-Harrington theorem or Paris-harrington theorem
 * Parity
 * Parmenides
 * Parrondo's Paradox or Parrondo's paradox
 * Parseval equality
 * Parseval's relation
 * Parseval's theorem
 * Partial derivative or Partial Derivative
 * Partial differential
 * Partial Differential Equation or Partial differential equation
 * Partial Evaluation or Partial evaluation
 * Partial Fraction Decomposition or Partial fraction decomposition
 * Partial fractions
 * Partial function or Partial Function
 * Partial geometry
 * Partial Integration or Partial integration
 * Partial isometry
 * Partial mapping
 * Partial order
 * Partial recursive function
 * Partial sum
 * Partial summation
 * Partially ordered set
 * Partisan game
 * Partition
 * Partition function or Partition Function
 * Partition of a set
 * Partition of unity
 * Partizan game
 * Party problem
 * Parzen window
 * Pascal Distribution or Pascal distribution
 * Pascal matrix
 * Pascal theorem
 * Pascal triangle
 * Pascal's formula
 * Pascal's rule
 * Pascal's theorem
 * Pascal's triangle or Pascal's Triangle
 * Pascal's Wager or Pascal's wager
 * Pasch axiom
 * Pasch's axiom
 * Pasch's theorem
 * Patch
 * Path
 * Path (graph theory)
 * Path component
 * Path graph
 * Path integral
 * Path length
 * Path Space or Path space
 * Path-connected
 * Path-connected space
 * Pathological
 * Pathological (mathematics)
 * Pathwise-connected
 * Patriarchal cross
 * Pattern
 * Pattern recognition
 * Paul Ehrenfest
 * Paul-André Meyer or Paul-andré meyer
 * Pauli algebra
 * Pauli Matrices or Pauli matrices
 * Pauli Spin Matrices
 * Paving
 * Payoff matrix
 * PDF or Pdf
 * Peacock Tail
 * Peano arithmetic or Peano Arithmetic
 * Peano axioms or Peano Axioms
 * Peano curve
 * Peano space
 * Peano theorem
 * Peano's axioms
 * Pearson distribution
 * Pearson product-moment correlation coefficient
 * Pearson's correlation
 * Pebibyte
 * Pedal
 * Pedal curve
 * Pedal line
 * Pedal point
 * Pedal triangle
 * Peetre's inequality
 * Peg
 * Peg solitaire
 * Peirce arrow
 * Pelageya Polubarinova-Kochina
 * Pell equation
 * Pell number
 * Pell Sequence or Pell sequence
 * Pell's equation
 * Pell-Lucas Number or Pell-Lucas number or Pell-lucas number
 * Peloponnesian War or Peloponnesian war
 * Pencil
 * Penrose tiles
 * Penrose tiling
 * Penrose transform
 * Penrose Triangle or Penrose triangle
 * Penrose Tribar or Penrose tribar
 * Pentabolo
 * Pentachoron
 * Pentacle
 * Pentacontagon
 * Pentacube
 * Pentad
 * Pentadecagon
 * Pentadiagonal matrix
 * Pentagon
 * Pentagon tiling
 * Pentagonal antiprism
 * Pentagonal cupola
 * Pentagonal Dipyramid or Pentagonal dipyramid
 * Pentagonal gyrobicupola
 * Pentagonal gyrocupolarotunda
 * Pentagonal hexecontahedron
 * Pentagonal icositetrahedron
 * Pentagonal number
 * Pentagonal number theorem
 * Pentagonal orthobicupola
 * Pentagonal orthobirotunda
 * Pentagonal orthocupolarotunda
 * Pentagonal Prism or Pentagonal prism
 * Pentagonal pyramid
 * Pentagonal pyramidal number
 * Pentagonal rotunda
 * Pentagonal trapezohedron
 * Pentagram
 * Pentagrammic antiprism
 * Pentagrammic crossed antiprism
 * Pentagrammic prism
 * Pentahedron
 * Pentakaidecagon
 * Pentakis dodecahedron
 * Pentalpha
 * Pentangle
 * Pentatope
 * Pentatope number
 * Pentiamond
 * Pentomino
 * Per cent
 * Per mille
 * Percent
 * Percent sign
 * Percentage
 * Percentage error
 * Percentage point
 * Percentile
 * Percentile rank
 * Percolation theory
 * Perfect box
 * Perfect code
 * Perfect cuboid
 * Perfect field
 * Perfect graph
 * Perfect graph theorem
 * Perfect group
 * Perfect Information or Perfect information
 * Perfect magic cube
 * Perfect matching
 * Perfect number
 * Perfect power
 * Perfect ruler
 * Perfect set
 * Perfect Square or Perfect square
 * Perfect square dissection
 * Perfect totient number
 * Perfectly-normal space
 * Perforation
 * Performance analysis
 * Periapsis
 * Pericles
 * Perigon
 * Perimeter
 * Period
 * Period (mathematics)
 * Period mapping
 * Period matrix
 * Period of a function
 * Periodic continued fraction
 * Periodic function
 * Periodic functions
 * Periodic group
 * Periodic point
 * Periodic solution
 * Periodic zeta function
 * Periodogram
 * Periods
 * Perkins's quilt
 * Permanent
 * Permutable prime
 * Permutable subgroup
 * Permutation
 * Permutation group
 * Permutation matrix
 * Permutation symbol
 * Permutation test
 * Permutation tests
 * Perpendicular
 * Perpendicular bisector
 * Perpendicular vector
 * Perrin pseudoprime
 * Perrin sequence
 * Perron Integral or Perron integral
 * Perron's formula
 * Perron-Frobenius Operator or Perron-Frobenius operator
 * Perron-Frobenius theorem
 * Persian curve
 * Persistence
 * Perspective
 * Perspective projection
 * Persymmetric Matrix or Persymmetric matrix
 * Perturbation theory
 * Perverse sheaf
 * Petabyte
 * Peter Sarnak
 * Peter-Weyl theorem
 * Peters Projection or Peters projection
 * Petersen graph or Petersen Graph
 * Peterson inner product
 * Petersson conjecture or Ramanujan-Petersson_conjecture
 * Petersson inner product
 * Petri net
 * Petrov classification
 * Pfaffian
 * Pfaffian system
 * Phase (waves)
 * Phase plane
 * Phase portrait
 * Phase shift
 * Phase Space or Phase space
 * Phase Transition or Phase transition
 * Phase velocity vector
 * Phasor
 * Philo line
 * Philolaus
 * Philon line
 * Phragmén-Lindelöf principle
 * Phragmén-Lindelöf theorem
 * Phyllotaxis
 * Physical vector
 * Pi
 * Pi approximations
 * Pi Continued Fraction or Pi continued fraction
 * Pi Digits or Pi digits
 * Pi-system
 * Picard group
 * Picard number
 * Picard scheme
 * Picard theorem
 * Picard variety
 * Picard's existence theorem
 * Picard's great theorem
 * Picard's Little Theorem or Picard's little theorem
 * Picard's theorem
 * Pick theorem
 * Pick's theorem
 * Pictures
 * PID or Pid
 * Pie chart
 * Piecewise
 * Piecewise constant function
 * Piecewise continuous
 * Piecewise function
 * Piecewise Linear Function or Piecewise linear function
 * Piecewise smooth
 * Pierpont prime or Pierpont Prime
 * Pierre de Fermat or Pierre de fermat
 * Pigeonhole principle or Pigeonhole Principle
 * Pillai prime
 * Pillai's conjecture
 * Pillow
 * Pincherle derivative
 * Pinching theorem
 * Pisano period
 * Pisot
 * Pisot number
 * Pistol
 * Pitchfork bifurcation
 * Pivot point
 * Pivoting
 * PL/I
 * Plain text
 * Plaintext
 * Planar graph
 * Planar straight line graph
 * Plancherel formula
 * Plancherel measure
 * Plancherel theorem
 * Plancherel's theorem or Plancherel's Theorem
 * Planck constant
 * Plane
 * Plane at infinity
 * Plane curve
 * Plane Geometry or Plane geometry
 * Plane graph
 * Plane partition
 * Plane symmetry groups
 * Plane-filling curve
 * Plane-line intersection
 * Plastic constant
 * Plastic number
 * Plat
 * Plate carre
 * Plateau (mathematics)
 * Plateau problem
 * Plateau's laws
 * Plateau's problem
 * Platonic solid or Platonic Solid
 * Platonic solids
 * Platykurtic
 * Player
 * Playfair's Axiom or Playfair's axiom
 * Pliny
 * Plot
 * Plotinus
 * Plotting position
 * Plumbing
 * Pluperfect number
 * Pluriharmonic function
 * Pluripolar set
 * Plurisubharmonic function
 * Plurisuperharmonic function
 * Plus
 * Plus or minus
 * Plus sign
 * Plus-construction
 * Plutarch
 * Plücker coordinates
 * Plücker embedding
 * Plücker formula
 * Plücker formulas
 * Pochhammer
 * Pochhammer symbol
 * Poggendorff Illusion or Poggendorff illusion
 * Poincar&eacute; conjecture
 * Poincare duality
 * Poincare lemma
 * Poincare-Bendixson theorem
 * Poincarè recurrence theorem
 * Poincaré conjecture or Poincaré Conjecture
 * Poincaré disc model
 * Poincaré disk
 * Poincaré dodecahedral space
 * Poincaré duality or Poincare duality
 * Poincaré group
 * Poincaré hyperbolic disk
 * Poincaré lemma
 * Poincaré line bundle
 * Poincaré Map or Poincaré map
 * Poincaré metric
 * Poincaré model
 * Poincaré recurrence theorem
 * Poincaré section
 * Poincaré sphere
 * Poincaré theorem
 * Poincaré transformation
 * Poincaré's lemma
 * Poincaré's Theorem or Poincaré's theorem
 * Poincaré-Bendixson theory
 * Poincaré-Birkhoff-Witt theorem
 * Poincaré-Hopf index theorem
 * Poincaré-Hopf theorem
 * Poinsot solid
 * Poinsot's spirals
 * Point
 * Point at infinity
 * Point estimator
 * Point finite
 * Point finite collection
 * Point groups
 * Point lattice
 * Point of inflection
 * Point-free geometry
 * Point-set topology
 * Pointed set
 * Pointed space
 * Pointed topological space
 * Pointwise
 * Pointwise convergence
 * Poiseuille flow
 * Poisson algebra
 * Poisson bracket or Poisson Bracket
 * Poisson brackets
 * Poisson distribution or Poisson Distribution
 * Poisson equation
 * Poisson formula
 * Poisson integral
 * Poisson kernel
 * Poisson Lie group
 * Poisson manifold
 * Poisson process or Poisson Process
 * Poisson ring
 * Poisson summation formula
 * Poisson's equation or Poisson's Equation
 * Poisson-Boltzmann equation
 * Poker
 * Polar Angle or Polar angle
 * Polar circle
 * Polar coordinates or Polar Coordinates
 * Polar curve
 * Polar decomposition
 * Polar Equation or Polar equation
 * Polar plot
 * Polar set
 * Polar set (potential theory)
 * Polar space
 * Polar vector
 * Polarity
 * Polarization of an algebraic form
 * Pole
 * Polignac's conjecture
 * Polish notation or Polish Notation
 * Polish space
 * Pollard
 * Pollard's p-1 algorithm
 * Pollard's rho algorithm
 * Poly-harmonic function
 * Polya
 * Polyabolo
 * Polychoron
 * Polyconic projection
 * Polycube
 * Polycyclic group
 * Polydisc
 * Polydisk
 * Polydivisible number
 * Polydrafter
 * Polyform
 * Polygamma function
 * Polygon
 * Polygon area
 * Polygon triangulation
 * Polygonal number
 * Polygram
 * Polyhedron
 * Polyhedron compound
 * Polyhex
 * Polyiamond
 * Polylogarithm
 * Polymatroid
 * Polymorph
 * Polynomial
 * Polynomial curve
 * Polynomial equation
 * Polynomial factorization
 * Polynomial function
 * Polynomial height
 * Polynomial hierarchy
 * Polynomial interpolation
 * Polynomial long division
 * Polynomial map
 * Polynomial matrix
 * Polynomial remainder
 * Polynomial remainder theorem
 * Polynomial ring
 * Polynomial roots
 * Polynomial sequence
 * Polynomial time
 * Polynomially convex hull
 * Polyomino
 * Polyrectangle
 * Polytan
 * Polytope
 * Pompeiu problem
 * Pompey the Great
 * Pompeïu's theorem
 * Poncelet's porism
 * Pong Hau K'i or Pong hau k'i
 * Pons asinorum or Pons Asinorum
 * Pontryagin class
 * Pontryagin duality
 * Pontryagin maximum principle
 * Pontryagin number
 * Ponzo's illusion
 * Pop
 * Population
 * Population growth
 * Population mean
 * Porism
 * Poset
 * Poset dimension
 * Position four-vector
 * Position vector or Position Vector
 * Positive
 * Positive correlation
 * Positive current
 * Positive definite
 * Positive definite form
 * Positive definite function
 * Positive definite matrix
 * Positive element
 * Positive functional
 * Positive integer
 * Positive linear functional
 * Positive map
 * Positive measure
 * Positive number
 * Positive operator
 * Positive part
 * Positive root
 * Positive semidefinite
 * Positive semidefinite matrix
 * Positive-definite form
 * Positive-definite function
 * Positively expansive
 * Post correspondence problem
 * Post machine
 * Postage stamp problem
 * Posterior distribution
 * Postfix notation
 * Postulate
 * Potential
 * Potential field
 * Potential function
 * Potential theory
 * Poulet number
 * Power
 * Power associative algebra
 * Power center
 * Power curve
 * Power function
 * Power Line or Power line
 * Power mean
 * Power object
 * Power of point
 * Power Point or Power point
 * Power rule or Power Rule
 * Power series
 * Power set
 * Power set axiom
 * Power spectrum
 * Power Sum or Power sum
 * Power Tower or Power tower
 * Power-associative algebra
 * Powerful number
 * Practical number
 * Prandtl number
 * Pratt certificate
 * Pre-compact space
 * Pre-Hilbert space
 * Pre-image
 * Pre-order
 * Pre-sheaf
 * Preadditive category
 * Precedence
 * Precession
 * Precession of the equinoxes
 * Precision
 * Precompact set
 * Preconditioner
 * Predecessor
 * Predicate
 * Predicate Calculus or Predicate calculus
 * Predicate variable
 * Predictability
 * Prefix
 * Preimage
 * Premise
 * Prenex form
 * Prenex normal form or Prenex Normal Form
 * Preorder
 * Presburger arithmetic or Presburger Arithmetic
 * Present value or Present Value
 * Presentation
 * Presentation of a group
 * Presheaf
 * Pretzel knot
 * Price's Theorem or Price's theorem
 * Primality certificate
 * Primality test
 * Primality Testing or Primality testing
 * Primary
 * Primary decomposition
 * Primary ideal
 * Primary pseudoperfect number
 * Prime
 * Prime arithmetic progression
 * Prime Circle or Prime circle
 * Prime constant
 * Prime constellation
 * Prime Counting Function or Prime counting function
 * Prime Cut or Prime cut
 * Prime decomposition
 * Prime divisor
 * Prime element
 * Prime factor
 * Prime Factorization or Prime factorization
 * Prime factorization algorithms
 * Prime field
 * Prime gap
 * Prime gaps
 * Prime ideal
 * Prime ideal theorem
 * Prime k-Tuple or Prime k-tuple
 * Prime knot
 * Prime model
 * Prime number or Prime Number
 * Prime number theorem or Prime Number Theorem
 * Prime Pages or Prime pages
 * Prime polynomial
 * Prime power
 * Prime quadruplet
 * Prime radical
 * Prime ring
 * Prime signature
 * Prime spectrum
 * Prime spiral
 * Prime subfield
 * Prime triplet
 * Prime twins
 * Prime zeta function
 * Prime-counting function
 * Primefree sequence
 * Primequad
 * Primes
 * Primitive
 * Primitive element
 * Primitive element theorem
 * Primitive function
 * Primitive group
 * Primitive ideal
 * Primitive permutation group
 * Primitive polynomial
 * Primitive pseudoperfect number
 * Primitive recursion
 * Primitive recursive
 * Primitive recursive function
 * Primitive ring
 * Primitive root
 * Primitive root of unity
 * Primitive semiperfect number
 * Primorial
 * Primorial prime or Primorial Prime
 * Principal
 * Principal branch
 * Principal bundle
 * Principal character
 * Principal Component Analysis or Principal component analysis
 * Principal components analysis
 * Principal curvature
 * Principal curvatures
 * Principal diagonal
 * Principal direction
 * Principal homogeneous space
 * Principal ideal
 * Principal ideal domain
 * Principal ideal ring or Principal Ideal Ring
 * Principal ideal theorem
 * Principal part
 * Principal ring
 * Principal series
 * Principal square root
 * Principal value
 * Principal vertex
 * Principle
 * Principle of Computational Equivalence or Principle of computational equivalence
 * Principle of inclusion-exclusion
 * Principle of Insufficient Reason or Principle of insufficient reason
 * Principle of mathematical induction
 * Principle of stationary phase
 * Principle of the argument
 * Principle of uniform boundedness
 * Pringle
 * Prior distribution
 * Priority Queue or Priority queue
 * Prism
 * Prismatoid
 * Prismoid
 * Prisoner's Dilemma or Prisoner's dilemma
 * Prizes
 * Pro-p group
 * Probabilistic automaton
 * Probabilistic method
 * Probabilistic metric space
 * Probabilistic Turing machine or Probabilistic Turing Machine
 * Probability
 * Probability Axioms or Probability axioms
 * Probability density function or Probability Density Function
 * Probability distribution
 * Probability distribution function
 * Probability function
 * Probability mass function
 * Probability measure
 * Probability space
 * Probability theory
 * Probable prime
 * Problem
 * Problems in low-dimensional topology
 * Procedure
 * Product
 * Product (category theory)
 * Product category
 * Product category theory
 * Product formula
 * Product integral
 * Product measure
 * Product Metric or Product metric
 * Product rule
 * Product set
 * Product space
 * Product topology
 * Productive set
 * Profinite completion
 * Profinite group
 * Program
 * Programming
 * Programming language
 * Progression
 * Progressive function
 * Projection
 * Projection matrix
 * Projection operator
 * Projective algebraic variety
 * Projective connection
 * Projective cover
 * Projective curve
 * Projective differential geometry
 * Projective dimension
 * Projective general linear group
 * Projective geometry or Projective Geometry
 * Projective group
 * Projective limit
 * Projective line
 * Projective module
 * Projective object
 * Projective plane
 * Projective representation
 * Projective resolution
 * Projective set
 * Projective space
 * Projective special linear group
 * Projective special orthogonal group
 * Projective special unitary group
 * Projective symplectic group
 * Projective topology
 * Projective transformation
 * Projective variety
 * Projectively extended real numbers
 * Projector
 * Prolate cycloid
 * Prolate spheroid
 * Prolate spheroidal coordinates
 * Promise problem
 * Pronic number
 * Pronormal subgroup
 * Proof
 * Proof by contradiction
 * Proof theory
 * Prop
 * Propeller
 * Proper
 * Proper class
 * Proper cone
 * Proper divisor
 * Proper factor
 * Proper fraction
 * Proper map
 * Proper morphism
 * Proper subgroup
 * Proper subset
 * Proper superset
 * Proper vector
 * Properly discontinuous action
 * Propertius
 * Proportional
 * Proportionality (mathematics)
 * Proposition
 * Propositional Calculus or Propositional calculus
 * Propositional form
 * Propositional formula
 * Propositional function
 * Propositional logic
 * Propositional variable
 * Prosthaphaeresis formulas
 * Protagoras
 * Proth number
 * Proth prime
 * Proth's theorem
 * Protractor
 * Prouhet-Thue-Morse constant
 * Prouhet-Thue-Morse sequence
 * Proximity
 * Proximity space
 * Prüfer code
 * Prüfer domain
 * Prüfer ring
 * Pseudo-arc
 * Pseudo-differential operator
 * Pseudo-Euclidean space or Pseudo-euclidean space
 * Pseudo-group
 * Pseudo-manifold
 * Pseudo-metric
 * Pseudo-metric space
 * Pseudo-prime
 * Pseudo-random numbers
 * Pseudo-Riemannian manifold
 * Pseudo-Riemannian metric
 * Pseudo-Riemannian space
 * Pseudo-scalar
 * Pseudo-sphere
 * Pseudo-tensor
 * Pseudo-vector
 * Pseudocircle
 * Pseudocompact space
 * Pseudoconvex
 * Pseudodifferential operator
 * Pseudograph
 * Pseudogroup
 * Pseudoinverse
 * Pseudometric
 * Pseudometric space
 * Pseudoperfect number
 * Pseudoprime
 * Pseudorandom
 * Pseudorandom generator
 * Pseudorandom number
 * Pseudorandom numbers
 * Pseudorhombicuboctahedron
 * Pseudoscalar
 * Pseudosphere
 * Pseudotensor
 * Pseudovector
 * Psi function
 * Ptolemeus theorem
 * Ptolemy inequality
 * Ptolemy's theorem or Ptolemy's Theorem
 * Public key cryptography
 * Public-key cryptography
 * Puiseux series
 * Puiseux's theorem
 * Pullback
 * Pullback bundle
 * Pullback map
 * Pulse function
 * Puncture
 * Punctured plane
 * Punctured set
 * Pure simplicial complex
 * Pure subgroup
 * Pure submodule
 * Purely inseparable
 * Purely inseparable extension
 * Push
 * Pushdown automaton
 * Pushout map
 * Putnam Competition or Putnam competition
 * Putnam mathematical competition
 * Puzzle
 * Pyramid
 * Pyramidal number
 * Pyritohedron
 * Pythagoras prime
 * Pythagoras theorem
 * Pythagoras tree
 * Pythagoras's constant
 * Pythagoras's theorem
 * Pythagorean means
 * Pythagorean prime
 * Pythagorean Quadruple or Pythagorean quadruple
 * Pythagorean theorem or Pythagorean Theorem
 * Pythagorean triad
 * Pythagorean triangle
 * Pythagorean Triple or Pythagorean triple
 * Pythagorean triplet
 * Péclet number
 * Pépin's test
 * Pólya Conjecture or Pólya conjecture
 * Pólya enumeration theorem
 * Pólya theorem
 * Pólya-Burnside Lemma or Pólya-Burnside lemma or Pólya-burnside lemma
 * Pólya-Vinogradov inequality