Nodes at W0, stub

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

Ideas 3751–3900 of 12399.

Name	Kind	Subject
Coupled map lattice	Concept	Dynamical systems and ergodic theory
Künneth theorem	Theorem	Algebraic topology
Orders of the elements of the integers modulo 6	Example	Group theory and generalizations
Multivariate approximation	Definition	Approximations and expansions
Product measure	Concept	Measure and integration
Capacity and Hausdorff dimension	Theorem	Potential theory
Complete local ring	Definition	Commutative algebra
Fundamental theorem of Riemannian geometry	Theorem	Differential geometry
Calderón–Zygmund kernel	Concept	Harmonic analysis on Euclidean spaces
Jordan's theorem on primitive groups containing a prime cycle	Theorem	Group theory and generalizations
Artin reciprocity law	Theorem	Number theory
Riemann curvature tensor	Definition	Differential geometry
Annihilator method	Concept	Ordinary differential equations
Summability field of a matrix method	Concept	Sequences, series, summability
Gelfand–Naimark–Segal construction	Definition	Functional analysis
Falling and rising factorials	Definition	Combinatorics
Space of functions vanishing at infinity	Definition	Functional analysis
M-estimator	Definition	Statistics
Kohn–Rossi cohomology	Definition	Several complex variables and analytic spaces
Rogers–Ramanujan continued fraction	Concept	Number theory
Restricted isometry property	Definition	Information and communication theory, circuits
Witt group	Definition	Number theory
Weak dimension	Definition	Associative rings and algebras
Morse–Smale system	Concept	Dynamical systems and ergodic theory
Oka–Weil theorem	Theorem	Several complex variables and analytic spaces
Oval	Concept	Geometry
Brouwer–Heyting–Kolmogorov interpretation	Concept	Mathematical logic and foundations
Euler transform	Definition	Sequences, series, summability
Darboux function	Concept	Real functions
p-harmonic function	Concept	Potential theory
Steiner system	Concept	Combinatorics
Fixed-point iteration	Definition	Operator theory
Harnack inequality for parabolic equations	Theorem	Partial differential equations
Einstein field equations	Definition	Relativity and gravitational theory
Nonlinear difference equation	Concept	Difference and functional equations
Chebyshev polynomials of the second kind	Concept	Special functions
Riemannian manifold	Concept	Differential geometry
Modified Richardson iteration	Theorem	Numerical analysis
Subalgebra	Concept	Associative rings and algebras
Theta function	Definition	Number theory
Ehresmann's fibration theorem	Theorem	Global analysis, analysis on manifolds
A priori estimate	Concept	Partial differential equations
Semimodular lattice	Definition	Order, lattices, ordered algebraic structures
Arithmetical hierarchy	Concept	Mathematical logic and foundations
Frobenius method	Definition	Ordinary differential equations
Torus integral	Definition	Several complex variables and analytic spaces
Runge–Kutta methods	Concept	Numerical analysis
Integral scheme	Definition	Algebraic geometry
Dixon elliptic functions	Definition	Special functions
Kunen's inconsistency theorem	Theorem	Mathematical logic and foundations
Congruence generated by a relation	Definition	General algebraic systems
Thin set	Concept	Potential theory
Wreath product	Definition	Group theory and generalizations
Purely transcendental extension	Definition	Field theory and polynomials
Freudenthal suspension theorem	Theorem	Algebraic topology
Optimal truncation	Definition	Approximations and expansions
Haken manifold	Concept	Manifolds and cell complexes
Manifold with boundary	Concept	Manifolds and cell complexes
Elementary class	Definition	Mathematical logic and foundations
Quadratic field	Definition	Number theory
Barnes G-function	Concept	Special functions
Artin–Mazur zeta function	Definition	Dynamical systems and ergodic theory
Simple polytope	Concept	Convex and discrete geometry
Quasi-isomorphism	Definition	Category theory; homological algebra
Neutral differential equation	Definition	Ordinary differential equations
Reaction–diffusion system	Definition	Partial differential equations
Jacobson ring	Concept	Commutative algebra
Whittaker function	Concept	Special functions
Quantum calculus	Concept	Combinatorics
Jackson integral	Concept	Combinatorics
Partially ordered ring	Concept	Order, lattices, ordered algebraic structures
Finite morphism	Definition	Algebraic geometry
Oscillatory integral	Definition	Harmonic analysis on Euclidean spaces
Mittag-Leffler star	Definition	Functions of a complex variable
Ornstein–Uhlenbeck process	Definition	Probability theory and stochastic processes
First variation	Definition	Calculus of variations and optimal control; optimization
Markov theorem	Theorem	Manifolds and cell complexes
Moufang plane	Concept	Geometry
Liouville property of graphs	Definition	Potential theory
The integers modulo 2 and the group of signs are isomorphic	Example	Group theory and generalizations
Quantifier elimination	Concept	Mathematical logic and foundations
Point spectrum	Concept	Operator theory
Purely inseparable extension	Definition	Field theory and polynomials
Schwarz–Christoffel mapping	Concept	Functions of a complex variable
Attractor	Concept	Dynamical systems and ergodic theory
Fort space	Counterexample	General topology
Radical extension	Definition	Field theory and polynomials
k-vertex-connected graph	Concept	Combinatorics
Thom–Mather isotopy lemmas	Theorem	Global analysis, analysis on manifolds
Kodaira embedding theorem	Theorem	Several complex variables and analytic spaces
The exponential map from the additive reals to the positive reals	Example	Group theory and generalizations
Serre's problem on projective modules	Problem	Commutative algebra
Complex projective space	Example	Several complex variables and analytic spaces
Minkowski sum of polytopes	Concept	Convex and discrete geometry
Hausdorff topological group	Concept	Topological groups, Lie groups
Sphere theorem	Theorem	Differential geometry
Identity theorem in several variables	Theorem	Several complex variables and analytic spaces
Normal fan	Definition	Convex and discrete geometry
Kernel regression	Definition	Statistics
Schaefer's fixed point theorem	Theorem	Operator theory
Holonomic function	Concept	Special functions
Enriques surface	Definition	Algebraic geometry
Modular representation theory	Definition	Group theory and generalizations
Rogers polynomials	Concept	Special functions
Mairhuber–Curtis theorem	Theorem	Approximations and expansions
Characteristic class	Concept	Algebraic topology
Kähler differentials	Concept	Commutative algebra
Jacobson radical	Definition	Commutative algebra
Numerical integration	Concept	Numerical analysis
Mertens' theorems	Theorem	Number theory
Representation of a Lie group	Concept	Topological groups, Lie groups
Lie group	Concept	Topological groups, Lie groups
Invertible sheaf	Concept	Algebraic geometry
Pseudospectrum	Definition	Numerical analysis
Smoothing spline	Definition	Numerical analysis
Curvature of a curve	Concept	Differential geometry
Diffeology	Concept	Global analysis, analysis on manifolds
Finite difference	Concept	Difference and functional equations
Local homeomorphism	Definition	General topology
Thue–Morse sequence	Object	Number theory
Bessel–Clifford function	Definition	Special functions
Wu's formula	Theorem	Manifolds and cell complexes
Lp space	Definition	Functional analysis
Dirac comb	Example	Harmonic analysis on Euclidean spaces
Regularity structures	Definition	Probability theory and stochastic processes
Simple algebra	Definition	General algebraic systems
Bifurcation from a characteristic value	Definition	Operator theory
von Neumann's inequality	Theorem	Operator theory
Crystallographic group	Concept	Group theory and generalizations
Level-set method	Concept	Numerical analysis
KdV equation as an integrable system	Example	Dynamical systems and ergodic theory
Bernstein–Sato polynomial	Concept	Algebraic geometry
Method of lines	Definition	Numerical analysis
Omitting types theorem	Theorem	Mathematical logic and foundations
Morse homology	Definition	Manifolds and cell complexes
Ideal norm	Definition	Number theory
Braided monoidal category	Definition	Category theory; homological algebra
Quadratic functional equation	Concept	Difference and functional equations
Rectifiable set	Concept	Measure and integration
Best approximation	Concept	Approximations and expansions
Quillen–Suslin theorem	Theorem	Commutative algebra
Near-unanimity term	Definition	General algebraic systems
Peano kernel theorem	Theorem	Approximations and expansions
Semihereditary ring	Concept	Associative rings and algebras
Dedekind domain	Concept	Commutative algebra
Sturm–Liouville theory	Definition	Ordinary differential equations
L-infinity space	Definition	Functional analysis
Irreducible ideal	Concept	Commutative algebra
Combinatorial species	Concept	Combinatorics
Germ of a holomorphic function	Concept	Several complex variables and analytic spaces