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Con

 * 1) Harmonic conjugate function  Conjugate harmonic function
 * 2) Conjugate indexes  Conjugate index
 * 3) Conjugate indices  Conjugate index
 * 4) Conjugate set  Conjugacy class
 * 5) Conjugate subgroup  Conjugacy class
 * 6) Conjunctive truth function  Conjunction
 * 7) Connection coefficients  Christoffel symbols
 * 8) Constant mapping  Constant function
 * 9) Continuously-compounded  Compound interest
 * 10) Contraction principle  Banach fixed point theorem
 * 11) Contradictory statement  Contradiction
 * 12) Controllable  Controllability
 * 13) Converge in probability  Convergence in probability
 * 14) Converges absolutely  Convergent series

Con

 * 1) Convex closure  Convex combination
 * 2) Convolved  Convolution
 * 3) Copeland Erdos constant  Copeland-Erdős constant
 * 4) Copeland Erdös constant  Copeland-Erdős constant
 * 5) Categorical direct sum  Coproduct
 * 6) Coproduct in the category of topological spaces  Topological sum
 * 7) Corepresentation  Comodule
 * 8) Cospectral  Isospectral
 * 9) Numerable set  Countable
 * 10) Countable AC  Axiom of countable choice
 * 11) Countable axiom of choice  Axiom of countable choice
 * 12) Countable compactness  Countably compact
 * 13) Cov  Covariance
 * 14) Covariance kernel  Autocovariance function
 * 15) Covering relation  Cover

Cov

 * 1) Covering relation  Covering
 * 2) Covering transformation  Deck transformation
 * 3) Crosscap slide  Y-homeomorphism
 * 4) Cube of a number  Cube
 * 5) Curl free field  Irrotational field
 * 6) Curl-free vector field  Irrotational field
 * 7) No-cycles condition  Cycle
 * 8) Shri Dattathreya Ramachandra Kaprekar  D. R. Kaprekar
 * 9) DG Algebra  Differential graded algebra
 * 10) Dave Huffman  David Huffman
 * 11) Decadic expansion  Decimal expansion
 * 12) Dedekind axiom  Neutral geometry
 * 13) Dedekind lattice  Modular lattice
 * 14) Defining property  Characterisation
 * 15) Derivative of a multivariable function  Jacobian matrix

Der

 * 1) Derivative of a vector-valued function  Jacobian matrix
 * 2) Derivative with respect to a vector  Directional derivative
 * 3) Minimal condition  Descending chain condition
 * 4) Determinant in R^3  Triple scalar product
 * 5) Deterministic chaotic system  Chaotic dynamical system
 * 6) Dfa  Deterministic finite automaton
 * 7) Difference between sets  Set difference
 * 8) Difference cokernel  Equalizer
 * 9) Difference ring  Quotient ring
 * 10) Differentiability of Lipschitz functions  Rademacher's theorem
 * 11) Differentiable mapping  Differentiable function
 * 12) Digital expansion  Decimal expansion
 * 13) Dimension (Krull)  Krull dimension
 * 14) Categorical direct sum  Direct sum
 * 15) Directed complete graph  Tournament

Dir

 * 1) Dirichlet approximation theorem  Dirichlet's approximation theorem
 * 2) Uniform (discrete) random variable  Discrete uniform distribution
 * 3) Disjunctive truth function  Disjunction
 * 4) Distance (in a graph)  Distance
 * 5) Double angle identity  Double angle formula
 * 6) Double angle identity  Double-angle formula
 * 7) Double angle identity  Double-angle formulae
 * 8) Doubling process  Cayley-Dickson construction
 * 9) Natural log base  E
 * 10) E. Zeckendorf  Edouard Zeckendorf
 * 11) Elementary Functional Arithmetic  EFA
 * 12) EGZ theorem  Erdős-Ginzburg-Ziv theorem
 * 13) Easy to see  Obvious
 * 14) Edouard Zeckendorff  Edouard Zeckendorf
 * 15) Egyptian algorithm  Any rational number is a sum of unit fractions

Rem

 * 1) Remainder arithmetic vs Egyptian fractions  Egyptian fractions
 * 2) Egyptian geometry  Geometry
 * 3) Eisenstein irreducibility criterion  Eisenstein criterion
 * 4) Elementary monomorphism  Elementary embedding
 * 5) Eliminant  Resultant
 * 6) Ellipsoid of revolution  Spheroid
 * 7) Embedding functor  Faithful functor
 * 8) Gabrielle-Émilie le Tonnelier de Breteuil  Emilie du Chatelet
 * 9) Empty subtree  Null tree
 * 10) Types of homomorphisms  Endomorphism
 * 11) Endomorphism of a measure space  Measure-preserving
 * 12) Enqueue  Push
 * 13) Simple tensor  Entangled
 * 14) Entropy encoder  Entropy encoding
 * 15) Numerable set  Enumerable

Typ

 * 1) Types of homomorphisms  Epimorphism
 * 2) Epimorphism equivalence  Subobject
 * 3) Equality of mixed partials  Clairaut's theorem
 * 4) Equivalence of forcing notions  Equivalent
 * 5) Erdös-Straus conjecture  Erdős-Straus conjecture
 * 6) Ess-sup  Essential supremum
 * 7) Essentially nonnegative matrix  Quasipositive matrix
 * 8) Esther Szekeres-Klein  Esther Szekeres
 * 9) Étalé space  Etale space
 * 10) Euclid numbers  Sylvester's sequence
 * 11) Euclidean valuation  Euclidean norm
 * 12) Euclidean vector properties  Euclidean vector
 * 13) Euler conjecture  Euler's conjecture
 * 14) Euler relation  Euler identity
 * 15) Natural log base  Euler number

Eul

 * 1) Euler phi-function  Euler totient function
 * 2) Euler relation  Euler's formula
 * 3) Even element  Supercommutative
 * 4) Transition event  Event
 * 5) Exponential random variable  Exponential distribution
 * 6) Exponential operation  Exponential
 * 7) Exterior angle bisector  Angle bisector
 * 8) F.i.c.  Finite intersection property
 * 9) Faa di Bruno formula  Faà di Bruno's formula
 * 10) Factorization criterion  Factorization theorem
 * 11) Farkas theorem  Farkas lemma
 * 12) Feigenbaum delta constant  Feigenbaum constant
 * 13) Feigenbaum tree  Feigenbaum fractal
 * 14) Fermat method  Fermat's factorization method

Fer

 * 1) Fermat method  Fermat's method
 * 2) Distributions of a stochastic process  Ffd
 * 3) Filter basis  Filter base
 * 4) Finite intersection condition  Finite intersection property
 * 5) Finite presentation  Presentation of a group
 * 6) Ordered tuplet  Finite sequence
 * 7) Finitely cocomplete  Complete category
 * 8) Finitely complete  Complete category
 * 9) Finitely presented  Presentation of a group
 * 10) First degree congruence  Linear congruence
 * 11) Fundamental theorems of calculus for Lebesgue integration  First fundamental theorem of calculus
 * 12) First order Peano arithmetic  PA
 * 13) Fisher F distribution  F distribution
 * 14) Five-lemma  5-lemma
 * 15) Fix (transformation action)  Fix

Fol

 * 1) Folded  Convolution
 * 2) Formula manipulation  Symbolic computation
 * 3) Fractional power (?)  Fraction power
 * 4) Fractional power series  Puiseux series
 * 5) Frame homomorphism  Locale
 * 6) Frenet-Serret equations  Serret-Frenet equations
 * 7) Freshman theorem  Third isomorphism theorem
 * 8) Boundary / frontier  Frontier
 * 9) Fubini's theorem for the Lebesgue integral  Fubini's theorem
 * 10) Fully faithful module  Faithful module
 * 11) Functions with critical loops  Round function
 * 12) Fundamental system of neighborhoods  Neighborhood system
 * 13) Fundamental theorems of calculus for Lebesgue integration  Fundamental theorem of calculus
 * 14) Fundamental theorem of the calculus of variations  Fundamental lemma of calculus of variations
 * 15) Fuzzy subset  Fuzzy set

G-g

 * 1) G-graded ring  Graded ring
 * 2) Gagliardo Nirenberg inequality  Sobolev inequality
 * 3) Galois correspondence  Galois connection
 * 4) Regular covering  Galois covering
 * 5) Gamma random variable  Gamma distribution
 * 6) General antiderivative  Antiderivative
 * 7) Generalised continuum hypothesis  Generalized continuum hypothesis
 * 8) Generalised cyclic  Locally cyclic group
 * 9) Generalised cyclic group  Locally cyclic group
 * 10) Generalised dihedral group  Generalized dihedral group
 * 11) Multidimensional arithmetic progression  Generalized arithmetic progression
 * 12) Generalized cyclic  Locally cyclic group
 * 13) Generalized cyclic group  Locally cyclic group
 * 14) Generalized divisor of zero  Topological divisor of zero
 * 15) Generalized mean value theorem  Extended mean-value theorem

Spr

 * 1) Spray space  Geodesic spray
 * 2) Geometric random variable  Geometric distribution
 * 3) GeometricRandomVariable  Geometric distribution
 * 4) Gerschgorin's circle theorem  Gershgorin's circle theorem
 * 5) Gerschgorin's disc theorem  Gershgorin's circle theorem
 * 6) Gershgorin's disc theorem  Gershgorin's circle theorem
 * 7) Gittel Kaimowitz  Gertrude Blanch
 * 8) Giuga conjecture  Agoh-Giuga conjecture
 * 9) Grace Brewster Murray  Grace Hopper
 * 10) Proof of Gram-Schmidt orthogonalization procedure  Gram-Schmidt
 * 11) Graph automorphism  Graph homomorphism
 * 12) Great Picard theorem  Picard's theorem
 * 13) Greater than zero  Positive
 * 14) Greatest integer less than or equal to  Floor
 * 15) Green's equivalences  Green's relations

Gri

 * 1) Grigori Yakovlevich Perelman  Grigori Perelman
 * 2) Group completion  Grothendieck group
 * 3) Group torsion  Torsion
 * 4) Groupoid (category theoretic)  Groupoid
 * 5) Grunwald-Letnikov Derivatives  Fractional differentiation
 * 6) Guldin's rule  Pappus's centroid theorem
 * 7) Guldin's theorem  Pappus's centroid theorem
 * 8) Models constructed from constants  Gödel completeness theorem
 * 9) H space  H-space
 * 10) Hadamard's conjecture  Hadamard conjecture
 * 11) Hahn-Kolmogorov extension theorem  Hahn-Kolmogorov theorem
 * 12) Hamming weight enumerator  Weight enumerator
 * 13) Happy ending problem  Happy end problem
 * 14) Harmonic conjugate function  Harmonic conjugate
 * 15) Hartogs' Phenomenon  Hartogs' theorem

Hau

 * 1) Hausdorff compactification  Compactification
 * 2) Hermitian element  Involutory ring
 * 3) Sesquilinear forms over general fields  Hermitian form
 * 4) Hermitian inner product  Inner product
 * 5) Hexadecadic  Hexadecimal
 * 6) Higher homotopy groups  Homotopy groups
 * 7) Hilbert parallelotope  Hilbert cube
 * 8) Hilbertian  Hilbert's irreducibility theorem
 * 9) Hit-and-miss Monte Carlo  Monte Carlo methods
 * 10) Hodge operator  Hodge star operator
 * 11) Homogeneous linear problem  Homogeneous
 * 12) Homogeneous Poisson process  Poisson process
 * 13) Homogeneous function of degree  Homogeneous function
 * 14) Homogeneous topological space  Homogeneous space
 * 15) Homological dimension  Global dimension

Hom

 * 1) Homology of a chain complex  Homology
 * 2) Homomorphism of groups  Group homomorphism
 * 3) Homotopic maps  Homotopy of maps
 * 4) Homotopy of paths  Homotopy
 * 5) Hopf space  H-space
 * 6) Hopf-space  H-space
 * 7) Hypergeometric random variable  Hypergeometric distribution
 * 8) I-semiring  Idempotent semiring
 * 9) Induction axiom  IND
 * 10) Ideal classes  Ideal class
 * 11) In-situ sorting algorithm  In-place sorting algorithm
 * 12) Inclusion mapping  Inclusion
 * 13) Inclusion mapping  Inclusion map
 * 14) Indecomposable group  Indecomposable
 * 15) Indefinite form  Positive definite form

Ind

 * 1) Independence Friendly logic  IF-logic
 * 2) Independence structure  Matroid
 * 3) Indeterminate value  Indeterminate form
 * 4) Indexing set  Index set
 * 5) Indivisible polynomial  Irreducible polynomial
 * 6) Induced norm  Operator norm
 * 7) Induced order topology  Order topology
 * 8) Infinite limits  Improper limits
 * 9) Infinite subset  Infinite
 * 10) Kolmogorov complexity function  Information content
 * 11) Information matrix  Fisher information matrix
 * 12) Infrabarreled space  Barrel
 * 13) Infrabarrelled  Barrel
 * 14) Injective envelope  Injective hull
 * 15) Inner  Inner automorphism

Int

 * 1) Interior angle bisector  Angle bisector
 * 2) Intermediate value property of the derivative  Darboux's theorem (analysis)
 * 3) Internal composition  Binary operation
 * 4) Internal node (of a tree)  Internal node
 * 5) Intersects  Intersection
 * 6) Ordered geometry  Interval
 * 7) Invariant dimension property  IBN
 * 8) Inverse Laplace transformation  Mellin's inverse formula
 * 9) Area functions  Inverse hyperbolic functions
 * 10) Operations on relations  Inverse relation
 * 11) Invertible linear map  Linear isomorphism
 * 12) Linear involution  Involution
 * 13) Involutive ring  Involutory ring
 * 14) Ircomp  Irreducible component
 * 15) Iterative hierarchy  Cumulative hierarchy

It\

 * 1) It\=o integral  Ito integral
 * 2) It\=o integral  Itô integral
 * 3) Ivan Niven  Ivan Morton Niven
 * 4) J-semi-simple ring  Semiprimitive ring
 * 5) J-semisimple ring  Semiprimitive ring
 * 6) J. Charles Fields  John Charles Fields
 * 7) Jacobson semi-simple ring  Semiprimitive ring
 * 8) Jacobson semisimple ring  Semiprimitive ring
 * 9) Jacques-Solomon Hadamard  Jacques Hadamard
 * 10) Janos Lajos Neumann  John von Neumann
 * 11) Jing Run Chen  Chen Jingrun
 * 12) Joan Lyttle  Joan Birman
 * 13) Joan Sylvia Birman  Joan Birman
 * 14) Joan Sylvia Lyttle  Joan Birman
 * 15) Joe Wedderburn  Joseph Wedderburn

Joh

 * 1) John C. Fields  John Charles Fields
 * 2) Join infinite distributivity  Complete distributivity
 * 3) Joint characteristic function  Characteristic function
 * 4) Joint continuous density function  Joint distribution
 * 5) Jordan canonical form theorem  Jordan canonical form
 * 6) Jordan homomorphism  Jordan algebra
 * 7) Jordan isomorphism  Jordan algebra
 * 8) Joseph Louis-Francois Bertrand  Joseph Bertrand
 * 9) Joseph Louis-François Bertrand  Joseph Bertrand
 * 10) János Lajos Neumann  John von Neumann
 * 11) K-quasiconformal mapping  Quasiconformal mapping
 * 12) Keep-flip-change  KFC
 * 13) Kahler potential  Kähler potential
 * 14) Keller's problem  Jacobian conjecture
 * 15) Kernel of a linear mapping  Kernel

Ker

 * 1) Kernel of a group homomorphism  Kernel
 * 2) Knuth notation  Knuth's up arrow notation
 * 3) Koenig-Zermelo theorem  König's theorem
 * 4) Kolmogorov-Nagumo function of the mean  Generalized mean
 * 5) Konig-Zermelo theorem  König's theorem
 * 6) Kronecker-Jacobi symbol  Kronecker symbol
 * 7) Krull-Remak-Schmidt theorem  Krull-Schmidt theorem
 * 8) Krylov-Bogoliubov  Krylov-Bogolubov theorem
 * 9) Kuratowski's closure axioms  Closure axioms
 * 10) Universal derivation  Kähler differentials
 * 11) Kähler structure  Kähler manifold
 * 12) Kählerian manifold  Kähler manifold
 * 13) Köcher  Quiver
 * 14) König-Zermelo theorem  König's theorem
 * 15) L-function of an elliptic curve  L-series of an elliptic curve

Par

 * 1) Partially ordered group  L-group
 * 2) Linear time invariant system  LTI
 * 3) LU-decomposition  LU decomposition
 * 4) LYM-inequality  LYM inequality
 * 5) Formal definition of Landau notation  Landau notation
 * 6) Laplace differential equation  Laplace equation
 * 7) Cofactor expansion  Laplace expansion
 * 8) Lattice of sets  Ring of sets
 * 9) Law of parsimony  Occam's razor
 * 10) Sines law  Law of sines
 * 11) Tangents law  Law of tangents
 * 12) Lazy caterers sequence  Lazy caterer's sequence
 * 13) Leaf node (of a tree)  Leaf
 * 14) Leaf node (of a tree)  Leaf node
 * 15) Least common dividend  Least common multiple

Lea

 * 1) Least squares problem  Least squares
 * 2) Completeness principle  Least upper bound property
 * 3) Least-squares problem  Least squares
 * 4) Lebesgue's monotone convergence theorem  Monotone convergence theorem
 * 5) Left and right identity laws of a monad  Monad
 * 6) Left annihilator  Annihilator
 * 7) Left artinian  Artinian
 * 8) Left classical ring of quotients  Classical ring of quotients
 * 9) Left derivative  One-sided derivatives
 * 10) Left module action  Module
 * 11) Left noetherian  Noetherian
 * 12) Left-transposable integer  Parasitic number
 * 13) Leibniz' estimate for remainder term  Leibniz' estimate for alternating series
 * 14) Leibniz's theorem  Alternating series test
 * 15) Liapunov stability  Lyapunov stable

Lia

 * 1) Liapunov stable  Lyapunov stable
 * 2) Lie super algebra  Lie superalgebra
 * 3) Lies on  Incidence geometry
 * 4) Likelihood statistic  Likelihood function
 * 5) Limit from above  One-sided limit
 * 6) Limit from below  One-sided limit
 * 7) Lindeberg condition  Lindeberg's central limit theorem
 * 8) Lindemann's theorem  Lindemann-Weierstrass theorem
 * 9) Linear algebraic Groups  Classical groups
 * 10) Linear assignment problem  Assignment problem
 * 11) Linear problem  Linear equation
 * 12) Local homeomorphy  Locally homeomorphic
 * 13) Locally 1-connected  Locally simply connected
 * 14) Locally cyclic  Locally cyclic group
 * 15) Locally relatively simply connected  Semilocally simply connected

Typ

 * 1) Type of a distribution function  Location parameter
 * 2) Log convex  Logarithmically convex function
 * 3) Log convex function  Logarithmically convex function
 * 4) Log-convex function  Logarithmically convex function
 * 5) Lognormal random variable  Lognormal distribution
 * 6) Lower Hessenberg  Hessenberg matrix
 * 7) Lower Hessenberg matrix  Hessenberg matrix
 * 8) Lower density  Asymptotic density
 * 9) Lying on  Incidence geometry
 * 10) MATrix LABoratory  MATLAB
 * 11) MOLS  Orthogonal Latin squares
 * 12) Mapping function  Operator
 * 13) Marginal density function  Marginal distribution
 * 14) Marginal probability function  Marginal distribution
 * 15) Marie-Sophie Germain  Sophie Germain

Mar

 * 1) Markoff's inequality  Markov's inequality
 * 2) Mass function  Continuous density function
 * 3) Matroid independent sets  Matroid independence axioms
 * 4) Maximal modulus principle  Maximum principle
 * 5) Maximality principle  Maximal principle
 * 6) Maximal proper subgroup  Maximal subgroup
 * 7) Hausdorff's maximum principle  Maximum principle
 * 8) Measure preserving  Measure-preserving
 * 9) Meet infinite distributivity  Complete distributivity
 * 10) Meromorphic extension  Meromorphic continuation
 * 11) Mertens' conjecture  Mertens conjecture
 * 12) Mertens' function  Mertens function
 * 13) Mertens's conjecture  Mertens conjecture
 * 14) Mertens's function  Mertens function
 * 15) Method of successive approximations  Banach fixed point theorem

Met

 * 1) Metrization  Metrizable
 * 2) Millenium Prize Problems  Millennium Problems
 * 3) Mills constant  Mills' constant
 * 4) Minimal bases  Integral basis
 * 5) Minimal basis  Integral basis
 * 6) Minimal sufficient  Sufficient statistic
 * 7) Minimally sufficient  Sufficient statistic
 * 8) Minimally sufficient statistic  Sufficient statistic
 * 9) Vector p-norm  Minkowski norm
 * 10) Minkowski's theorem on convex bodies  Minkowski's theorem
 * 11) Cofactor expansion  Minor
 * 12) Module action  Module
 * 13) Modulus of complex number  Modulus
 * 14) Moebius inversion  Möbius inversion
 * 15) Monomorphism equivalence  Subobject

Mon

 * 1) Monotone nondecreasing  Monotonically nondecreasing
 * 2) Monotone nonincreasing  Monotonically nonincreasing
 * 3) Monotonic operator  Order morphism
 * 4) Monotonically  Monotonic
 * 5) Monsieur Le Blanc  Sophie Germain
 * 6) Monsieur LeBlanc  Sophie Germain
 * 7) Moore-Penrose pseudoinverse  Pseudoinverse
 * 8) Moving trihedron  Frenet frame
 * 9) Multi-linearity  Multi-linear
 * 10) Multilinearity  Multi-linear
 * 11) Multiplicative axiom  Axiom of choice
 * 12) Multiplicative order of an integer modulo m  Multiplicative order
 * 13) Joint normal distribution  Multivariate Gaussian distribution
 * 14) Mutually orthogonal Latin squares  Orthogonal Latin squares
 * 15) NBG vNBG vNBG VNB  Von Neumann-Bernays-Gödel set theory

Nat

 * 1) Natural log base  Napier's constant
 * 2) Natural embedding  Dual space
 * 3) Naturally equivalent  Natural equivalence
 * 4) Near ring  Near-ring
 * 5) Negative binomial random variable  Negative binomial distribution
 * 6) Negative definite form  Positive definite form
 * 7) Neighborhood (of a vertex)  Neighborhood
 * 8) Canonical height on an elliptic curve  Neron-Tate height
 * 9) Neumann Janos Lajos  John von Neumann
 * 10) Neumann János Lajos  John von Neumann
 * 11) Newton-Cotes  Newton and Cotes formulas
 * 12) Niemytzki space  Niemytzki plane
 * 13) Nilcone  Nilpotent cone
 * 14) Njas  Neil J. A. Sloane
 * 15) Noetherian normalization lemma  Noether normalization lemma

Non

 * 1) Non-degenerate form  Non-degenerate bilinear form
 * 2) Non-invertible  Singular
 * 3) Non-singular function  Inverse function
 * 4) Non-singular linear map  Linear isomorphism
 * 5) Non-standard real  Hyperreal
 * 6) Nonautonomous  Autonomous system
 * 7) Nonautonomous equation  Autonomous system
 * 8) Nondegenerate form  Non-degenerate bilinear form
 * 9) Nonincreasing  Monotonically nonincreasing
 * 10) Nonnegative definite  Positive definite form
 * 11) Nonpositive definite  Positive definite form
 * 12) Nonsingular function  Inverse function
 * 13) Nonstandard real  Hyperreal
 * 14) Ideal norm  Norm of an ideal
 * 15) Normal in base b  Normal number

Nor

 * 1) Normal interior  Core of a subgroup
 * 2) Normal linear model  General linear model
 * 3) Normal subgroup generated by  Normal closure
 * 4) Normaliser  Normalizer
 * 5) Null subtree  Null tree
 * 6) Kernel of a linear mapping  Nullspace
 * 7) Odd element  Supercommutative
 * 8) Omega notation  Landau notation
 * 9) One-stage cluster sampling  Cluster sampling
 * 10) Ordered geometry  Open interval
 * 11) Open polydisc  Polydisc
 * 12) Open ray  Ray
 * 13) Opposite side  Opposite
 * 14) Or operator  Join
 * 15) Orbifold structure  Orbifold

Ord

 * 1) Order (of a graph)  Order
 * 2) Order (of zero)  Multiplicity
 * 3) Order convergence  Meet continuous
 * 4) Order reversing  Polarity
 * 5) Order-preserving function  Order morphism
 * 6) Oriented space curve  Space curve
 * 7) Proof of Gram-Schmidt orthogonalization procedure  Orthogonalization
 * 8) Otto Hoelder  Otto Hölder
 * 9) Over determined  Overdetermined
 * 10) Over-determined  Overdetermined
 * 11) PBW-theorem  Poincaré-Birkhoff-Witt theorem
 * 12) Non-deterministic pushdown automaton  PDA
 * 13) Pairwise orthogonal Latin squares  Orthogonal Latin squares
 * 14) Pancake cutting problem  Lazy caterer's sequence
 * 15) Pappus's theorem for solids of revolution  Pappus's centroid theorem

Pap

 * 1) Pappus's theorem for surfaces of revolution  Pappus's centroid theorem
 * 2) Parallel edge  Multigraph
 * 3) Parameterized curve  Curve
 * 4) Parameterized space curve  Space curve
 * 5) Parametrized curve  Curve
 * 6) Parent node (in a tree)  Parent
 * 7) Parent node (in a tree)  Parent node
 * 8) Pareto random variable  Pareto distribution
 * 9) Parseval equality  Parseval theorem
 * 10) Partial derivative with respect to a vector  Directional derivative
 * 11) Partial fractions of fractional numbers  Partial fractions
 * 12) Partial pivoting  Pivoting
 * 13) Pascal's mystic hexagram  Pascal's theorem
 * 14) Passes through  Incidence geometry
 * 15) Passing through  Incidence geometry

Pea

 * 1) Pearson-chi-square statistic  Chi-squared statistic
 * 2) Pearson-chi-squared statistic  Chi-squared statistic
 * 3) Penta-diagonal matrix  Pentadiagonal matrix
 * 4) Perfectly separable  Second countable
 * 5) Perspective elements  Complemented lattice
 * 6) Pesudo-metric space  Pseudometric space
 * 7) Place of field  Place
 * 8) Planar area  Area of plane region
 * 9) Pluriharmonic  Pluriharmonic function
 * 10) Plus perfect number  Armstrong number
 * 11) PoincarÃ©-Hopf theorem  Hairy ball theorem
 * 12) Poincaré isomorphism  Poincaré duality
 * 13) Pointless geometry  Point-free geometry
 * 14) Poisson summation  Poisson summation formula

Poi

 * 1) Poisson theorem  Law of rare events
 * 2) Pólya's conjecture  Polya conjecture
 * 3) Polynomial discriminant  Discriminant
 * 4) Polynomial form  Homogeneous polynomial
 * 5) Porcupine theorem  Hairy ball theorem
 * 6) Positively homogeneous function  Homogeneous function
 * 7) Positively homogeneous function of degree  Homogeneous function
 * 8) Power of an integer  Power
 * 9) Squarefull number  Powerful number
 * 10) Powers of an alphabet  Alphabet
 * 11) Powerset axiom  Axiom of power set
 * 12) Pre-ordering  Pre-order
 * 13) Precedence of operations  Order of operations
 * 14) Preordering  Pre-order
 * 15) Prime integer  Prime

Pri

 * 1) Principal root  Nth root
 * 2) Principle of Uniform Boundedness  Banach-Steinhaus theorem
 * 3) Principle of transfinite induction  Transfinite induction
 * 4) Probabilities function  Density function
 * 5) Profinite  Profinite group
 * 6) Proportion equation  Proportion
 * 7) Pseudo compact space  Pseudocompact space
 * 8) Pseudo-compact space  Pseudocompact space
 * 9) Pseudorandom distribution ensemble  Pseudorandom
 * 10) Schooten theorem  Ptolemy's theorem
 * 11) Pumping lemma (context-free languages)  Pumping lemma
 * 12) Pure complex  Imaginary
 * 13) Non-deterministic pushdown automaton  Pushdown automaton
 * 14) Tangent map  Pushforward
 * 15) Pushing down lemma  Fodor's lemma

Pyt

 * 1) Pythagoreas' theorem  Pythagorean theorem
 * 2) Pólya's conjecture  Pólya conjecture
 * 3) QR-decomposition  QR decomposition
 * 4) QR-factorization  QR decomposition
 * 5) Quarter-plane  Quadrant
 * 6) Quasi-finite  Quasi-finite morphism
 * 7) Quasi-metric space  Quasimetric space
 * 8) Quasi-normal subgroup  Permutable subgroup
 * 9) Quasi-scalar matrices  Diagonal matrix
 * 10) Quasi-scalar matrix  Diagonal matrix
 * 11) Quasiordering  Pre-order
 * 12) Quaternion groups  Generalized quaternion group
 * 13) Quaternionic group  Quaternion group
 * 14) Rabin prime test  Miller-Rabin prime test
 * 15) Ramification degree  Ramification index

Ram

 * 1) Ramify  Ramification index
 * 2) Rank of a linear mapping  Rank
 * 3) Rank one valuations  Discrete valuation
 * 4) Rank-k correction  Matrix inversion lemma
 * 5) Rank-one valuations  Discrete valuation
 * 6) Non-constant element of rational function field  Rational function field
 * 7) Rational prime  Prime
 * 8) Real analytic  Analytic
 * 9) Uniform (continuous) random variable  Rectangular distribution
 * 10) Reduced wave equation  Helmholtz equation
 * 11) Fuchsian singularity  Regular singular point
 * 12) Fuchsian singularity  Regular singularity
 * 13) Regular triangle  Equilateral triangle
 * 14) Regularly closed  Regular open set
 * 15) Regularly closed set  Regular open set

Ope

 * 1) Operations on relations  Relation composition
 * 2) Repeated digit sum  Digital root
 * 3) Repère mobile  Frenet frame
 * 4) Quotient of ideals  Residual
 * 5) Residue degree  Inertial degree
 * 6) Residue-class ring  Quotient ring
 * 7) Restriction of a function  Restriction
 * 8) Reverse-Polish  Reverse Polish notation
 * 9) Reverse-Polish notation  Reverse Polish notation
 * 10) Right annihilator  Annihilator
 * 11) Right artinian  Artinian
 * 12) Right classical ring of quotients  Classical ring of quotients
 * 13) Right derivative  One-sided derivatives
 * 14) Right module  Module
 * 15) Right module action  Module

Rig

 * 1) Right noetherian  Noetherian
 * 2) Rigidity result  Rigid
 * 3) Ring admitting an involution  Involutory ring
 * 4) Ring of polynomial functions  Polynomial function
 * 5) Ring with involution  Involutory ring
 * 6) Root (of a tree)  Root
 * 7) Root theorem  Factor theorem
 * 8) Rotational matrix  Rotation matrix
 * 9) Rubik cube  Rubik's cube
 * 10) Ruth Aaron pair  Ruth-Aaron pair
 * 11) Ruth Bari  Ruth Aaronson Bari
 * 12) S-graded ring  Graded ring
 * 13) Saturates  Saturate
 * 14) Satz 90  Hilbert Theorem 90
 * 15) Saw blade function  Triangular-wave function

Sca

 * 1) Scale convolution  Logarithmic convolution
 * 2) Type of a distribution function  Scale parameter
 * 3) Schanuel conjecture  Schanuel's conjecture
 * 4) Schnitt  Dedekind cuts
 * 5) Schröder-Bernstein theorem  Schroeder-Bernstein theorem
 * 6) Space of rapidly decreasing functions  Schwartz space
 * 7) Schwarz reflection theorem  Schwarz reflection principle
 * 8) Schwarz' transformation  Schwarz-Christoffel transformation
 * 9) Schönfinkeling  Currying
 * 10) Schönfinkelization  Currying
 * 11) Score statistic  Score function
 * 12) Secant of the curve  Secant line
 * 13) Secant to the curve  Secant line
 * 14) Second axiom of countability  Second countable
 * 15) Second order  Second order logic

Sec

 * 1) Second-order  Second order logic
 * 2) Seifert-Van Kampen theorem  Van Kampen's theorem
 * 3) Self descriptive number  Self-descriptive number
 * 4) Semidirect product of groups  Semi-direct product
 * 5) Semi-order  Pre-order
 * 6) Semi-ordering  Pre-order
 * 7) Semi-prime  Semiprime
 * 8) Semi-primitive ring  Semiprimitive ring
 * 9) Semi-recursive  Recursively enumerable
 * 10) Semidirect product of groups  Semidirect product
 * 11) Semilocally 1-connected  Semilocally simply connected
 * 12) Semiorder  Pre-order
 * 13) Semiordering  Pre-order
 * 14) Comprehension axiom  Separation axiom
 * 15) Separation properties  Separation axioms

Sep

 * 1) Separation schema  Axiom schema of separation
 * 2) Septahedron  Heptahedron
 * 3) Sequence of Tuples  Data stream
 * 4) Sequential compactness  Sequentially compact
 * 5) Serpent lemma  Snake lemma
 * 6) Sesqui-linear form  Hermitian form
 * 7) Set symmetric difference  Symmetric difference
 * 8) SetOfSets  Collection
 * 9) Sextic polynomial  Sextic equation
 * 10) Shnirel'man density  Schnirelmann density
 * 11) Shnirelman density  Schnirelmann density
 * 12) Short 5-lemma  5-lemma
 * 13) Sign of a permutation  Signature of a permutation
 * 14) Silver constant  Plastic constant
 * 15) Field adjunction  Simple extension

Sim

 * 1) Simply normal  Normal number
 * 2) Simultaneous resolution theorem  Horseshoe lemma
 * 3) Sine cardinal  Sinc function
 * 4) Singular transformation  Singular
 * 5) Singular vector  Singular value decomposition
 * 6) Sinus integralis  Sine integral
 * 7) Sir Andrew John Wiles  Andrew Wiles
 * 8) Skew-symmetric mapping  Antisymmetric
 * 9) Smallest integer greater than or equal to  Ceiling
 * 10) Smallest normal subgroup containing  Normal closure
 * 11) Smallest spanning tree  Minimum spanning tree
 * 12) Sobolev function  Sobolev space
 * 13) Sobolev immersion  Sobolev inequality
 * 14) Solution of cubic equation  Cardano's formulae
 * 15) Sorgenfrey half-open plane  Sorgenfrey plane

Sor

 * 1) Sorgenfrey topology  Sorgenfrey line
 * 2) Spaces of functions  Function spaces
 * 3) Comprehension axiom  Specification
 * 4) Sphere (metric space)  Sphere
 * 5) Splitting backmap  Split short exact sequence
 * 6) Splitting group  Decomposition group
 * 7) Spray space  Spray
 * 8) Square free number  Square-free number
 * 9) Square-free part  Radical of an integer
 * 10) Squeeze test  Squeeze rule
 * 11) Stable sorting algorithm  Stable algorithm
 * 12) Stable periodic solution  Cycle
 * 13) Independent set and independence number  Stable set
 * 14) Standard metric  Euclidean distance
 * 15) Standard topology  Euclidean distance

Sta

 * 1) Star operator  Hodge star operator
 * 2) Steady state solution  Equilibrium point
 * 3) Stefan Znám  Štefan Znám
 * 4) Stirling's approximation formula  Stirling's approximation
 * 5) General Stokes theorem  Stokes theorem
 * 6) M. H. Stone's representation theorem  Stone's representation theorem
 * 7) Strategic form game  Normal form game
 * 8) Strictly diagonally dominant  Diagonally dominant matrix
 * 9) Strong direct sum  Direct product of modules
 * 10) Strong ergodic theorem  Ergodic theorem
 * 11) Strongly connected  Connected graph
 * 12) Interpretation of a formal language  Structure
 * 13) Structure theorem on semisimple rings  Wedderburn-Artin theorem
 * 14) Sub-bimodule  Bimodule
 * 15) Subbasic  Subbasis

Sub

 * 1) Subgroup lattice  Lattice of subgroups
 * 2) Subinterval partition  Partition
 * 3) Subinvariant series  Subnormal series
 * 4) Subinvariant subgroup  Subnormal subgroup
 * 5) Subspace arrangement  Hyperplane arrangement
 * 6) Successor set  Inductive set
 * 7) Sufficient estimator  Sufficient statistic
 * 8) Sum product number  Sum-product number
 * 9) Summing  Summation
 * 10) Super algebra  Superalgebra
 * 11) Superadditivity  Superadditive
 * 12) Supertriangular  Strictly upper triangular matrix
 * 13) Symmetric difference between sets  Symmetric difference
 * 14) Symmetric element  Involutory ring
 * 15) Symmetric form  Symmetric bilinear form

Sym

 * 1) Symplectic hyperbolic plane  Alternating form
 * 2) Tail of series  Remainder term
 * 3) Tangent of the curve  Tangent line
 * 4) Tangent plane (elementary)  Tangent space
 * 5) Tangent to the curve  Tangent line
 * 6) Taniyama-Shimura-Weil theorem  Taniyama-Shimura theorem
 * 7) Taski theorem  Tarski-Knaster theorem
 * 8) City-block metric  Taxicab metric
 * 9) Tensor product (vector spaces)  Tensor product
 * 10) Tensor product (for matrices)  Kronecker product
 * 11) Simple tensor  Tensor rank
 * 12) Terence C. Tao  Terence Tao
 * 13) Thabit bin Kurra  Thabit ibn Qurra
 * 14) Thabit bin Kurra number  Thabit number
 * 15) Thabit bin Kurrah  Thabit ibn Qurra

Tha

 * 1) Thabit bin Kurrah number  Thabit number
 * 2) Thabit bin Qurra  Thabit ibn Qurra
 * 3) Thabit bin Qurra number  Thabit number
 * 4) Thabit bin Qurrah  Thabit ibn Qurra
 * 5) Thabit bin Qurrah number  Thabit number
 * 6) Thabit ibn Kurra  Thabit ibn Qurra
 * 7) Thabit ibn Kurra number  Thabit number
 * 8) Thabit ibn Kurrah  Thabit ibn Qurra
 * 9) Thabit ibn Kurrah number  Thabit number
 * 10) Thabit ibn Qurra number  Thabit number
 * 11) Thabit ibn Qurrah  Thabit ibn Qurra
 * 12) Thabit ibn Qurrah number  Thabit number
 * 13) The following are equivalent  TFAE
 * 14) Thebit  Thabit ibn Qurra
 * 15) Calculus of subgroup orders  Theorem of Lagrange

The

 * 1) Theta notation  Landau notation
 * 2) Thin algebraic set  Thin set
 * 3) Cube of a number  Third power
 * 4) Tichonov's theorem  Tychonoff's theorem
 * 5) Tikhonov space  Tychonoff space
 * 6) Tikhonov topological space  Tychonoff space
 * 7) Time-dependent Schrödinger wave equation  Schrödinger's wave equation
 * 8) Tits Systems  BN-pair
 * 9) Topological completeness  Completely metrizable
 * 10) Topology generated by a basis  Basis (topology)
 * 11) Toposes  Topos
 * 12) Torsal surface  Developable surface
 * 13) Torsion (space curve)  Torsion
 * 14) Total pivoting  Pivoting
 * 15) Total ring of quotients  Total ring of fractions

Dis

 * 1) Discretization of continuous systems  Transform
 * 2) Semigroup of transformations  Transformation semigroup
 * 3) Triangle center  Triangle centre
 * 4) Triple cross product  Triple vector product
 * 5) Trivial vector space  Zero vector space
 * 6) Ordered tuplet  Tuple
 * 7) Ordered tuplet  Tuplet
 * 8) Twist number  Writhe
 * 9) Two-stage cluster sampling  Cluster sampling
 * 10) Tychonoff product topology  Product topology
 * 11) Tychonoff topological space  Tychonoff space
 * 12) Tychonov topological space  Tychonoff space
 * 13) Type-2 grammar  Context-free language
 * 14) Type-3 grammar  Regular language
 * 15) UMVU  Mean square error

UMV

 * 1) UMVUE  Mean square error
 * 2) Ulam's Problem  Collatz problem
 * 3) Lattice filter  Ultra filter
 * 4) Ultra-connected space  Ultraconnected space
 * 5) Ultrabarreled space  Barrel
 * 6) Ultrabarrelled  Barrel
 * 7) Unconditionally convergent  Unconditional convergence
 * 8) Under-determined  Under determined
 * 9) Uniform Boundedness Principle  Banach-Steinhaus theorem
 * 10) Uniformly integrable  Uniform absolute continuity
 * 11) Uniform (continuous) random variable  Uniform distribution
 * 12) Uniformly convex  Uniformly convex space
 * 13) Uniformly hyperbolic  Hyperbolic set
 * 14) Uniformly minimum variance unbiased  Mean square error
 * 15) Uniquely complemented  Complemented lattice

Uni

 * 1) Uniquely orthocomplemented  Orthocomplemented lattice
 * 2) Unit left triangular matrix  Unit triangular matrix
 * 3) Unit right triangular matrix  Unit triangular matrix
 * 4) Unital module  Module
 * 5) Univariate regression model  Regression model
 * 6) Unordered partition  Integer partition
 * 7) Unstable periodic solution  Cycle
 * 8) Up arrow  Knuth's up arrow notation
 * 9) Up set  Upper set
 * 10) Up-arrow  Knuth's up arrow notation
 * 11) Upper Hessenberg  Hessenberg matrix
 * 12) Upward directed set  Directed set
 * 13) Upward-directed set  Directed set
 * 14) Vacuous  Vacuous truth
 * 15) Vacuous  Vacuously

Vac

 * 1) Vacuous  Vacuously true
 * 2) Proof of Van Aubel theorem  Van Aubel's theorem
 * 3) Van der Pol equation  Van der Pol oscillator
 * 4) Vanishes  Zero of a function
 * 5) Variance covariance matrix  Covariance matrix
 * 6) Variation of constants  Variation of parameters
 * 7) Vector space homomorphism  Linear transformation
 * 8) Triple cross product  Vector triple product
 * 9) Solving the wave equation due to D. Bernoulli  Vibrating string
 * 10) Vilim Feller  William Feller
 * 11) Groupoid (category theoretic)  Virtual group
 * 12) Vladimir Gershonovich Drinfel'd  Vladimir Drinfel'd
 * 13) Von Neumann-finite  Dedekind-finite
 * 14) Congruence of Clausen and von Staudt  Von Staudt-Clausen theorem
 * 15) Vortexless  Laminar field

WOL

 * 1) WOLOG  WLOG
 * 2) Wallace-Bolyai-Gerwien theorem  Bolyai-Gerwien theorem
 * 3) Weak direct sum  Direct sum
 * 4) Weakly compact  Weakly compact cardinal
 * 5) Recurrence in a Markov chain  Weakly ergodic
 * 6) Wedderburn theorem  Wedderburn's theorem
 * 7) Weierstrass division theorem  Weierstrass preparation theorem
 * 8) Weierstrass product theorem  Weierstrass factorization theorem
 * 9) Well quasi order  Well quasi ordering
 * 10) Zermelo's well-ordering theorem  Well-ordering principle
 * 11) Willibrord Feller  William Feller
 * 12) Curve of Agnesi  Witch of Agnesi
 * 13) Woodbury formula  Matrix inversion lemma
 * 14) Wqo  Well quasi ordering

Lin

 * 1) Line in the plane  X-intercept
 * 2) Crosscap slide  Y-homeomorphism
 * 3) Line in the plane  Y-intercept
 * 4) Zciweisakul notation  Reverse Polish notation
 * 5) Zeckendorff's theorem  Zeckendorf's theorem
 * 6) Zero submodule  Zero module
 * 7) Zig-zag lemma  Snake lemma
 * 8) Gabrielle-Émilie le Tonnelier de Breteuil  Émilie du Châtelet