Topics in mathematics
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- P-adic analysisBranch of number theory
- P-groupGroup in which the order of every element is a power of p
- Pappus chainIn geometry, the Pappus chain is a ring of circles between two tangent circles investigate
- Pappus's hexagon theoremIn mathematics, Pappus's hexagon theorem (attributed to Pappus of Alexandria) states that
- Parallelizable manifoldIn mathematics, a differentiable manifold of dimension n is called parallelizable if there
- Partial groupoidIn abstract algebra, a partial groupoid (also called halfgroupoid, pargoid, or partial mag
- Particle physics and representation theoryPhysics-mathematics connection
- Partition of an intervalIncreasing sequence of numbers that span an interval
- Patrick du ValPatrick du Val (March 26, 1903 – January 22, 1987) was a British mathematician, known for
- Paul CohnPaul Moritz Cohn FRS (8 January 1924 – 20 April 2006) was Astor Professor of Mathematics a
- Paul GarabedianPaul Roesel Garabedian (August 2, 1927 – May 13, 2010) was a mathematician and numerical a
- PCP theoremTheorem in computational complexity theory
- Per BakPer Bak (8 December 1948 – 16 October 2002) was a Danish theoretical physicist who coautho
- Per EnfloSwedish mathematician and concert pianist
- Percolation theoryMathematical theory on behavior of connected clusters in a random graph
- Percy DeiftSouth African mathematician
- Percy John HeawoodPercy John Heawood (8 September 1861 – 24 January 1955) was a British mathematician, who c
- Perfect graphGraph with tight clique-coloring relation
- Perfect obstruction theoryIn algebraic geometry, given a Deligne–Mumford stack X, a perfect obstruction theory for X
- Permutation graphIn the mathematical field of graph theory, a permutation graph is a graph whose vertices r
- Permutation groupGroup whose operation is composition of permutations
- PerspectivityIn geometry and in its applications to drawing, a perspectivity is the formation of an ima
- Peter Henrici (mathematician)Swiss mathematician (1923–1987)
- Peter LaxHungarian-born American mathematician (1926–2025)
- Peter ScholzeGerman mathematician (born 1987)
- Peter Whittle (mathematician)New Zealand mathematician and statistician (1927–2021)
- PH (complexity)In computational complexity theory, the complexity class PH is the union of all complexity
- Phase planeIn applied mathematics, in particular the context of nonlinear system analysis, a phase pl
- Philip CandelasBritish physicist and mathematician
- Philip HallPhilip Hall FRS (11 April 1904 – 30 December 1982), was an English mathematician. His majo
- Pi DayAnnual mathematical celebration on March 14
- Picard groupMathematical group occurring in algebraic geometry and the theory of complex manifolds
- Picard–Lindelöf theoremExistence and uniqueness of solutions to initial value problems
- Pierre BézierFrench mathematician (1910–1999)
- Pierre DeligneBelgian mathematician
- Pierre FatouFrench mathematician (1878–1929)
- Pierre Ossian BonnetPierre Ossian Bonnet (French: ; 22 December 1819, Montpellier – 22 June 1892, Paris) was a
- PiphilologyMnemonics of pi's digits
- Plan (drawing)Drawings or diagrams used to describe an object
- Planar projectionPlanar projections are the subset of 3D graphical projections constructed by linearly mapp
- Plancherel measureIn mathematics, Plancherel measure is a measure defined on the set of irreducible unitary
- Plant disease forecastingPlant disease forecasting is a management system used to predict the occurrence or change
- Poincaré dualityConnects homology and cohomology groups for oriented closed manifolds
- Point processRandom set of points on a space with random number and random position
- PointwiseIn mathematics, the qualifier pointwise is used to indicate that a certain property is def
- Polar setIn functional and convex analysis, and related disciplines of mathematics, the polar set i
- Polar topologyIn functional analysis and related areas of mathematics a polar topology, topology of -con
- Polynomial remainder theoremOn the remainder of division by x – r
- Positive real numbersSubset of real numbers that are greater than zero
- PostBQPIn computational complexity theory, PostBQP is a complexity class consisting of all of the
- Power of twoTwo raised to an integer power
- Predicate (logic)Symbol representing a property or relation in logic
- Preferential attachmentStochastic process formalizing cumulative advantage
- Presentation of a groupSpecification of a mathematical group by generators and relations
- Pretzel linkIn the mathematical theory of knots, a pretzel link is a special kind of link. It consists
- Primary idealIn mathematics, specifically commutative algebra, a proper ideal Q of a commutative ring A
- Prime elementAnalogue of a prime number in a commutative ring
- Prime idealIdeal in a ring which has properties similar to prime elements
- Principal ideal domainAlgebraic structure
- Principalization (algebra)In the mathematical field of algebraic number theory, the concept of principalization refe
- Principia Mathematica3-volume treatise on mathematics, 1910–1913
- Probability interpretationsPhilosophical interpretation of the axioms of probability
- Problem of the criterionIn the field of epistemology, the problem of the criterion is an issue regarding the start
- Profinite groupIn mathematics, a profinite group is a topological group that is in a certain sense assemb
- Projection (mathematics)In mathematics, a projection is an idempotent mapping of a set (or other mathematical stru
- Projective bundleIn mathematics, a projective bundle is a fiber bundle whose fibers are projective spaces.
- Projective hierarchyIn the mathematical field of descriptive set theory, a subset of a Polish space is project
- Projective moduleDirect summand of a free module (mathematics)
- Projective varietyAlgebraic variety in a projective space
- Projectively extended real lineIn real analysis, the projectively extended real line (also called the one-point compactif
- Proof of the Euler product formula for the Riemann zeta functionLeonhard Euler proved the Euler product formula for the Riemann zeta function in his thesi
- Proof that 22/7 exceeds πProofs of the mathematical result that the rational number 22/7 is greater than π (pi) d
- Proof that pi is irrationalIn the 1760s, Johann Heinrich Lambert was the first to prove that the number π is irration
- Proper mapIn mathematics, a function between topological spaces is called proper if inverse images o
- Pseudo-Euclidean spaceIn mathematics and theoretical physics, a pseudo-Euclidean space of signature (k, n-k) is
- Pythagorean primeA Pythagorean prime is a prime number of the form . Pythagorean primes are exactly the odd