Nodes at W0, stub

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

Ideas 3451–3600 of 12399.

Name	Kind	Subject
Homoclinic orbit	Concept	Ordinary differential equations
Runge's theorem	Theorem	Functions of a complex variable
Penny graph	Concept	Combinatorics
Five-term relation for the dilogarithm	Theorem	Special functions
Concrete category of algebras	Definition	General algebraic systems
Local asymptotic normality	Concept	Statistics
Ramanujan tau function	Concept	Number theory
Commutator theory	Concept	General algebraic systems
Polar polytope	Concept	Convex and discrete geometry
Semi-local ring	Concept	Commutative algebra
Linear PDE	Concept	Partial differential equations
Erdős–Rényi model	Concept	Combinatorics
Weierstrass–Erdmann corner conditions	Theorem	Calculus of variations and optimal control; optimization
Rearrangement inequality	Theorem	Real functions
Discrete Poisson equation	Concept	Difference and functional equations
Poisson boundary	Concept	Probability theory and stochastic processes
Chow's theorem	Theorem	Several complex variables and analytic spaces
Essentially surjective functor	Concept	Category theory; homological algebra
Final topology	Concept	General topology
Kähler–Einstein metric	Concept	Several complex variables and analytic spaces
Instrumental variables estimation	Concept	Statistics
Algebraic torus	Definition	Group theory and generalizations
Variety as a reflective subcategory	Proposition	General algebraic systems
Lévy–Steinitz theorem	Theorem	Sequences, series, summability
Fuchs' theorem	Theorem	Ordinary differential equations
Simplicial polytope	Definition	Convex and discrete geometry
Carlson's theorem	Theorem	Functions of a complex variable
Stationary set	Definition	Mathematical logic and foundations
Calkin algebra	Object	Functional analysis
Arc in a finite plane	Concept	Geometry
Catastrophe theory	Concept	Global analysis, analysis on manifolds
Quasi-isometry	Concept	Group theory and generalizations
Orthomodular lattice	Concept	Order, lattices, ordered algebraic structures
Isoperimetric problem of the calculus of variations	Problem	Calculus of variations and optimal control; optimization
Co-Heyting algebra	Concept	Order, lattices, ordered algebraic structures
Preissmann's theorem	Theorem	Differential geometry
Generic point	Definition	Algebraic geometry
Basu's theorem	Theorem	Statistics
Group algebra of a locally compact group	Concept	Topological groups, Lie groups
Cantor normal form	Theorem	Mathematical logic and foundations
Legendre integral transform	Definition	Integral transforms, operational calculus
Category of rings	Example	Associative rings and algebras
QR algorithm	Definition	Numerical analysis
Schubert calculus	Definition	Algebraic geometry
Hahn–Banach separation theorem	Theorem	Functional analysis
Dolbeault cohomology	Definition	Several complex variables and analytic spaces
Harmonic majorant	Definition	Potential theory
Inverse scattering transform	Concept	Dynamical systems and ergodic theory
Riemann's differential equation	Definition	Special functions
Littlewood–Paley inequality	Theorem	Harmonic analysis on Euclidean spaces
Prandtl's lifting-line equation	Example	Fluid mechanics
Hecke algebra of a locally compact group	Concept	Topological groups, Lie groups
Thom spectrum	Concept	Algebraic topology
Frame	Definition	Order, lattices, ordered algebraic structures
Quantum dilogarithm	Concept	Special functions
Hilbert space adjoint	Concept	Operator theory
Bump function	Definition	Real functions
Product sigma-algebra	Concept	Measure and integration
Complete set of orthogonal idempotents	Definition	Associative rings and algebras
Circle map	Definition	Dynamical systems and ergodic theory
Schur complement	Concept	Linear and multilinear algebra; matrix theory
Blocking set	Definition	Geometry
Bergman projection	Concept	Several complex variables and analytic spaces
Two-sided Laplace transform	Concept	Integral transforms, operational calculus
Klein bottle	Example	Manifolds and cell complexes
Period-doubling cascade	Concept	Dynamical systems and ergodic theory
Limit-point and limit-circle	Concept	Ordinary differential equations
Local cohomology	Concept	Commutative algebra
Semiconjugacy and factor map	Definition	Dynamical systems and ergodic theory
Hamilton–Jacobi theory of the calculus of variations	Concept	Calculus of variations and optimal control; optimization
Representation theory of the symmetric group	Definition	Group theory and generalizations
Superalgebra	Concept	Nonassociative rings and algebras
Evans potential theorem	Theorem	Potential theory
Chattering control	Concept	Calculus of variations and optimal control; optimization
Stochastic optimal control	Definition	Systems theory; control
Bargmann transform	Definition	Integral transforms, operational calculus
Sheffer function	Definition	General algebraic systems
Charlier polynomials	Concept	Special functions
Stone space	Definition	Order, lattices, ordered algebraic structures
Vanishing mean oscillation	Definition	Harmonic analysis on Euclidean spaces
Successive over-relaxation	Theorem	Numerical analysis
Natural deduction	Concept	Mathematical logic and foundations
Almgren–Pitts min-max theory	Concept	Global analysis, analysis on manifolds
Bass–Serre theory	Concept	Group theory and generalizations
Submartingale	Concept	Probability theory and stochastic processes
Homogeneity equation	Definition	Difference and functional equations
Jacobson topology	Definition	Associative rings and algebras
Triangulation of a point set	Definition	Convex and discrete geometry
Butcher group	Object	Numerical analysis
Homotopy type	Definition	Algebraic topology
Adaptive step size	Concept	Numerical analysis
Spectral decomposition theorem	Theorem	Dynamical systems and ergodic theory
Chain recurrence	Concept	Dynamical systems and ergodic theory
Factor congruence	Concept	General algebraic systems
Witt vectors	Concept	Commutative algebra
Singular cohomology	Concept	Algebraic topology
Incompressible surface	Concept	Manifolds and cell complexes
Catenoid	Example	Differential geometry
Whitehead theorem	Theorem	Algebraic topology
Discontinuous Galerkin method	Concept	Numerical analysis
Amenable Banach algebra	Concept	Functional analysis
Differential of a smooth map	Concept	Global analysis, analysis on manifolds
Torsion submodule	Concept	Commutative algebra
Collatz conjecture	Conjecture	Number theory
Lie bracket of vector fields	Definition	Global analysis, analysis on manifolds
Kakeya set	Object	Measure and integration
Banach bundle	Definition	Global analysis, analysis on manifolds
Stein's lemma	Lemma	Statistics
Lefschetz number	Definition	Algebraic topology
d'Alembert's functional equation	Concept	Difference and functional equations
Reduction of a boundary value problem to a Fredholm equation	Proposition	Integral equations
Induced representation of a locally compact group	Concept	Topological groups, Lie groups
Population balance equation	Example	Integral equations
Monoid ring	Definition	Associative rings and algebras
Aleph number	Concept	Mathematical logic and foundations
HOMFLY polynomial	Definition	Manifolds and cell complexes
Jensen's functional equation	Concept	Difference and functional equations
Finite Desarguesian planes are Pappian	Corollary	Geometry
Constructive function theory	Definition	Approximations and expansions
Dual matroid	Concept	Combinatorics
Veblen function	Definition	Mathematical logic and foundations
Double bubble theorem	Theorem	Calculus of variations and optimal control; optimization
Variational inequality	Problem	Operator theory
Holomorphic automorphisms of C^n	Definition	Several complex variables and analytic spaces
Axiom of regularity	Definition	Mathematical logic and foundations
Mahler's compactness theorem	Theorem	Number theory
Mal'cev condition	Concept	General algebraic systems
Hardy spaces of harmonic functions	Concept	Potential theory
Ring spectrum	Definition	Algebraic topology
Mutual energy	Definition	Potential theory
Birkhoff's representation theorem	Theorem	Order, lattices, ordered algebraic structures
Fukaya category	Definition	Differential geometry
Linear topology	Concept	Commutative algebra
Atom	Definition	Order, lattices, ordered algebraic structures
Berkovich space dynamics	Concept	Dynamical systems and ergodic theory
Immersion	Concept	Manifolds and cell complexes
Kummer theory	Definition	Number theory
Hopfian group	Definition	Group theory and generalizations
Gagliardo–Nirenberg interpolation inequality	Theorem	Functional analysis
Einstein manifold	Definition	Differential geometry
Rigged Hilbert space	Concept	Functional analysis
Fundamental group of the circle	Theorem	Algebraic topology
Descending chain condition	Concept	Order, lattices, ordered algebraic structures
Algebraic K-theory	Definition	Associative rings and algebras
Triangulability of analytic sets	Theorem	Several complex variables and analytic spaces
Bertrand's test	Theorem	Sequences, series, summability
Projective dimension	Definition	Commutative algebra
Constructible universe	Object	Mathematical logic and foundations
Krylov–Bogolyubov averaging	Concept	Ordinary differential equations
Newtonian kernel	Concept	Potential theory