Nodes at W0, stub

A tag, a kind, a name, an inventory row, and a same_as or a source.

Ideas 4351–4500 of 12399.

Name	Kind	Subject
Fixed-point property	Definition	General topology
Nelson–Aalen estimator	Concept	Statistics
Global analysis	Definition	Global analysis, analysis on manifolds
Serre's theorem on regular local rings	Theorem	Commutative algebra
Initial and terminal objects	Definition	Category theory; homological algebra
Period three implies chaos	Theorem	Dynamical systems and ergodic theory
Aoki–Rassias theorem	Theorem	Difference and functional equations
Suslin's theorem	Theorem	Mathematical logic and foundations
P-adic analysis	Definition	Functions of a complex variable
Finitely generated projective modules over local rings are free	Theorem	Commutative algebra
Adaptive quadrature	Proposition	Numerical analysis
Pascal's theorem	Theorem	Geometry
Ionescu-Tulcea theorem	Theorem	Probability theory and stochastic processes
Morse homology	Concept	Manifolds and cell complexes
Gauss variational problem	Problem	Potential theory
Quasi-identity	Concept	General algebraic systems
Krull–Schmidt theorem	Theorem	Associative rings and algebras
Cartan matrix of an algebra	Definition	Associative rings and algebras
Weakly singular kernel	Concept	Integral equations
Weak-type estimate	Concept	Harmonic analysis on Euclidean spaces
Proper morphism	Concept	Algebraic geometry
j-invariant of an elliptic curve	Concept	Algebraic geometry
Subnormal number	Definition	Numerical analysis
Equalizer	Definition	Category theory; homological algebra
Schur's inequality	Theorem	Real functions
Semi-continuity	Concept	Real functions
Cauchy matrix	Concept	Linear and multilinear algebra; matrix theory
Rational equivalence	Definition	Algebraic geometry
Unitary dual	Concept	Topological groups, Lie groups
Besov space	Concept	Functional analysis
System of parameters	Concept	Commutative algebra
Fiber of a morphism	Concept	Algebraic geometry
Purely inseparable extension	Concept	Field theory and polynomials
Magma	Concept	Group theory and generalizations
Statistical decision theory	Definition	Statistics
Quasiregular map	Definition	Functions of a complex variable
Lie group action	Concept	Manifolds and cell complexes
Polylogarithm	Concept	Special functions
Δ-complex	Definition	Algebraic topology
Mackey machine	Definition	Topological groups, Lie groups
Filtered category	Concept	Category theory; homological algebra
Uhlenbeck compactness theorem	Theorem	Global analysis, analysis on manifolds
Difference quotient	Definition	Real functions
Principal bundle	Definition	Algebraic topology
Cauchy–Kovalevskaya theorem	Theorem	Partial differential equations
Compact operator	Definition	Operator theory
Čech cohomology	Concept	Algebraic topology
Comonad	Concept	Category theory; homological algebra
Final topology	Definition	General topology
Sub-Riemannian manifold	Concept	Differential geometry
Exponential sum	Concept	Number theory
Ackermann function is not primitive recursive	Theorem	Mathematical logic and foundations
Baker–Pixley theorem	Theorem	General algebraic systems
Schwarz alternating method	Theorem	Numerical analysis
Multicategory	Definition	Category theory; homological algebra
Structure	Concept	Mathematical logic and foundations
Prime ideal of a lattice	Definition	Order, lattices, ordered algebraic structures
Sublinear function	Definition	Functional analysis
Majority term	Concept	General algebraic systems
F-algebra	Definition	Category theory; homological algebra
Finite element method	Concept	Numerical analysis
Foliation	Concept	Manifolds and cell complexes
Thom–Sebastiani theorem	Theorem	Several complex variables and analytic spaces
Rational singularity	Concept	Algebraic geometry
Weyl algebra	Concept	Associative rings and algebras
Positive harmonic function	Definition	Potential theory
Group action on a variety	Definition	Algebraic geometry
Admissible function	Definition	Calculus of variations and optimal control; optimization
Esakia space	Concept	Order, lattices, ordered algebraic structures
Riesz space	Concept	Functional analysis
Chandrasekhar's H-function	Example	Integral equations
Injective hull	Definition	Commutative algebra
Weierstrass product	Definition	Functions of a complex variable
Atomistic lattice	Concept	Order, lattices, ordered algebraic structures
Lebesgue covering dimension	Definition	General topology
Polynomial greatest common divisor	Definition	Commutative algebra
Isometry of Riemannian manifolds	Definition	Differential geometry
de Boor's algorithm	Definition	Numerical analysis
Central simple algebra	Definition	Associative rings and algebras
Superadditive function	Concept	Difference and functional equations
Category of abelian groups	Example	Category theory; homological algebra
Hurwitz-stable matrix	Concept	Linear and multilinear algebra; matrix theory
Universal Horn class	Concept	Mathematical logic and foundations
Pettis integral	Concept	Measure and integration
Discrete series representation	Concept	Topological groups, Lie groups
Jacobi field	Concept	Differential geometry
Prime radical	Definition	Associative rings and algebras
Brunn–Minkowski theorem	Theorem	Convex and discrete geometry
Projective plane	Definition	Geometry
Thurston norm	Concept	Manifolds and cell complexes
Class number	Definition	Number theory
Mehler kernel	Theorem	Special functions
Height of a prime ideal	Definition	Commutative algebra
Orderable group	Concept	Group theory and generalizations
Axiom schema of replacement	Definition	Mathematical logic and foundations
Stability of a difference equation	Definition	Difference and functional equations
Coercive bilinear form	Definition	Operator theory
Maxwell's equations	Concept	Partial differential equations
Polish group	Concept	Topological groups, Lie groups
Edgeworth expansion	Theorem	Statistics
Subderivative	Concept	Real functions
Cahen–Mellin integral	Proposition	Integral transforms, operational calculus
Betweenness	Definition	Geometry
Ovoid	Definition	Geometry
Restriction conjecture	Conjecture	Harmonic analysis on Euclidean spaces
Topological vector space	Definition	Functional analysis
Simple algebra	Concept	General algebraic systems
Skew group ring	Definition	Associative rings and algebras
Solvable Lie group	Concept	Topological groups, Lie groups
Weyl's lemma	Lemma	Potential theory
Sequential analysis	Concept	Statistics
Choquet integral	Definition	Measure and integration
Scott topology	Definition	Order, lattices, ordered algebraic structures
Dirichlet L-function	Concept	Number theory
Minimax estimator	Definition	Statistics
Crofton formula	Theorem	Differential geometry
Finite morphism of rings	Definition	Commutative algebra
Levitzki radical	Concept	Associative rings and algebras
Ehrhart polynomial	Concept	Convex and discrete geometry
Zeros and poles	Definition	Functions of a complex variable
Incidence matrix	Concept	Combinatorics
Lie supergroup	Concept	Global analysis, analysis on manifolds
Ginzburg–Landau equation	Definition	Partial differential equations
Nested dissection	Theorem	Numerical analysis
Whittaker function	Definition	Special functions
Intersection theory	Definition	Algebraic geometry
Sullivan conjecture	Theorem	Algebraic topology
Bourbaki–Witt theorem	Theorem	Order, lattices, ordered algebraic structures
Internal set theory	Definition	Mathematical logic and foundations
Way-below relation	Definition	Order, lattices, ordered algebraic structures
Geometric invariant theory	Concept	Algebraic geometry
Continuous functional calculus	Definition	Functional analysis
Permutation group	Definition	Group theory and generalizations
Cumulant	Concept	Probability theory and stochastic processes
Multiplication operator	Example	Operator theory
Compact element	Concept	Order, lattices, ordered algebraic structures
Drazin inverse	Concept	Linear and multilinear algebra; matrix theory
Calabi flow	Concept	Differential geometry
Derivative of a convolution	Proposition	Integral transforms, operational calculus
Spherical trigonometry	Definition	Geometry
Idempotence	Concept	General algebraic systems
Gelfand–Naimark–Segal construction	Concept	Functional analysis
Monoid object	Concept	Category theory; homological algebra
Laplace's method	Concept	Approximations and expansions
Summation by parts	Theorem	Difference and functional equations
Series-parallel partial order	Definition	Order, lattices, ordered algebraic structures
Algebraic surface	Definition	Algebraic geometry
Hausdorff paradox	Counterexample	Measure and integration
Loewner order	Concept	Linear and multilinear algebra; matrix theory
Idele class group	Concept	Number theory