Nodes at W0, stub

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

Ideas 1801–1950 of 12399.

Name	Kind	Subject
Tate cohomology	Concept	Group theory and generalizations
Ramanujan theta function	Concept	Number theory
Parabolic partial differential equation	Concept	Partial differential equations
Graph of an operator	Definition	Operator theory
Wilson polynomials	Concept	Special functions
Homogeneous space	Definition	Algebraic geometry
Kernel of an integral equation	Definition	Integral equations
Algebraic curve	Definition	Algebraic geometry
Heaviside expansion theorem	Theorem	Integral transforms, operational calculus
Park's conjecture	Conjecture	General algebraic systems
Function having a given Mellin transform	Concept	Integral transforms, operational calculus
Dirichlet's unit theorem	Theorem	Number theory
Martin kernel	Concept	Potential theory
Real projective space	Object	Manifolds and cell complexes
Nonlinear Volterra equation	Definition	Integral equations
Krylov–Bogolyubov theorem	Theorem	Dynamical systems and ergodic theory
Long line	Counterexample	General topology
Ind-completion	Concept	Category theory; homological algebra
Weak topology	Definition	Functional analysis
Translation surface	Definition	Dynamical systems and ergodic theory
Ehrenfeucht–Fraïssé game	Definition	Mathematical logic and foundations
Fiber product of schemes	Concept	Algebraic geometry
Bernstein–von Mises theorem	Theorem	Statistics
Horocycle	Concept	Geometry
Malliavin calculus	Concept	Probability theory and stochastic processes
Error function	Definition	Special functions
Busemann G-space	Definition	Differential geometry
Nevanlinna theory	Concept	Functions of a complex variable
Integral element	Concept	Commutative algebra
Eckmann–Hilton duality	Concept	Algebraic topology
Functional	Concept	Calculus of variations and optimal control; optimization
Hybrid system	Concept	Ordinary differential equations
Padé approximant	Concept	Approximations and expansions
Equivariant cohomology	Definition	Algebraic topology
Resistance form	Definition	Potential theory
hp-FEM	Definition	Numerical analysis
Grothendieck category	Definition	Category theory; homological algebra
CAT(k) space	Concept	Differential geometry
Gauss's hypergeometric theorem	Theorem	Special functions
Tutte polynomial	Definition	Combinatorics
Simpson's rule	Definition	Numerical analysis
Herglotz–Riesz kernel	Concept	Potential theory
Polynomial function	Concept	Real functions
Arnold tongue	Definition	Dynamical systems and ergodic theory
Approximate point spectrum	Definition	Operator theory
Spectrum	Concept	Algebraic topology
Multiresolution analysis	Concept	Harmonic analysis on Euclidean spaces
Harmonic analysis on groups	Definition	Abstract harmonic analysis
Spin(7)-manifold	Concept	Differential geometry
Lipschitz domain	Concept	Potential theory
Enriques–Kodaira classification	Theorem	Algebraic geometry
Model theory	Definition	Mathematical logic and foundations
Non-Archimedean absolute value	Concept	Field theory and polynomials
Algebraic approach to constraint satisfaction	Definition	General algebraic systems
Congruence subgroup	Concept	Number theory
Permutation pattern	Concept	Combinatorics
Support function	Concept	Convex and discrete geometry
Incidence algebra	Concept	Order, lattices, ordered algebraic structures
Regular local rings are UFDs	Theorem	Commutative algebra
Universal bundle	Concept	Algebraic topology
Boundary value problem	Definition	Ordinary differential equations
Hyperstructure	Concept	Group theory and generalizations
Logical consequence	Concept	Mathematical logic and foundations
Monoid ring	Concept	Associative rings and algebras
Telegrapher's equations	Concept	Partial differential equations
Octonions	Object	Nonassociative rings and algebras
Random matrix	Concept	Linear and multilinear algebra; matrix theory
Evans's theorem on word problems	Theorem	General algebraic systems
Giroux correspondence	Theorem	Manifolds and cell complexes
Twelvefold way	Concept	Combinatorics
Feedback linearization	Concept	Systems theory; control
Positive-definite function on a group	Definition	Abstract harmonic analysis
Mayer and Lagrange problems	Problem	Calculus of variations and optimal control; optimization
Fundamental strip of a Mellin transform	Proposition	Integral transforms, operational calculus
Semifield	Definition	Field theory and polynomials
Arithmetical variety	Definition	General algebraic systems
Cramér–Rao bound	Theorem	Statistics
Singularity of a smooth map	Concept	Global analysis, analysis on manifolds
Categorical theory	Concept	Mathematical logic and foundations
Elliptic cohomology	Definition	Algebraic topology
Collectively compact operator approximation	Definition	Integral equations
Hopf bifurcation	Definition	Ordinary differential equations
Unramified morphism	Concept	Algebraic geometry
Non-negative least squares	Problem	Numerical analysis
Fourier transform on Schwartz space	Theorem	Harmonic analysis on Euclidean spaces
Handle decomposition	Definition	Manifolds and cell complexes
Sheffer function	Concept	General algebraic systems
Transcritical bifurcation	Definition	Ordinary differential equations
Kuranishi structure	Definition	Differential geometry
Proximity space	Definition	General topology
Cylindric algebra	Concept	Mathematical logic and foundations
Free Boolean algebra	Concept	Order, lattices, ordered algebraic structures
Hilbert system	Concept	Mathematical logic and foundations
Serre subcategory	Definition	Category theory; homological algebra
Bernstein–Bézier form	Definition	Approximations and expansions
Airy function	Concept	Special functions
Abstract Volterra equation	Concept	Integral equations
Finite morphism of rings	Concept	Commutative algebra
Base change theorems	Theorem	Algebraic geometry
Homotopy limit	Concept	Category theory; homological algebra
Poincaré's theorem that the ball and polydisc are not biholomorphic	Theorem	Several complex variables and analytic spaces
Prenex normal form	Definition	Mathematical logic and foundations
Compactness theorem	Theorem	Mathematical logic and foundations
Radon–Nikodym derivative	Concept	Measure and integration
Initial topology	Concept	General topology
Semisimple Lie group	Definition	Topological groups, Lie groups
Levin-type transformations	Concept	Numerical analysis
Comparability graph	Concept	Combinatorics
Inversion of rational transforms by partial fractions	Concept	Integral transforms, operational calculus
Linearly ordered group	Definition	Order, lattices, ordered algebraic structures
Stone–Weierstrass theorem	Theorem	Functional analysis
Region of convergence	Concept	Integral transforms, operational calculus
Pettis measurability theorem	Theorem	Measure and integration
Solenoid	Example	Topological groups, Lie groups
Barnes integral	Concept	Special functions
Birkhoff–Grothendieck theorem	Theorem	Algebraic geometry
Mahler measure	Definition	Number theory
Efficiency of an estimator	Definition	Statistics
Non-measurable set	Definition	Measure and integration
Proof complexity	Concept	Mathematical logic and foundations
Krull intersection theorem	Theorem	Commutative algebra
Topological dynamics	Definition	Dynamical systems and ergodic theory
Summability kernel	Concept	Harmonic analysis on Euclidean spaces
Finite difference method	Definition	Numerical analysis
Jet	Concept	Global analysis, analysis on manifolds
Dual graph	Concept	Combinatorics
Direct limit of rings	Definition	Associative rings and algebras
Rubin causal model	Definition	Statistics
Non-standard model of arithmetic	Example	Mathematical logic and foundations
Log-rank test	Definition	Statistics
Laurent polynomial ring	Definition	Associative rings and algebras
Birkhoff min-max method	Concept	Global analysis, analysis on manifolds
Riemannian metric	Definition	Differential geometry
Flux limiter	Definition	Numerical analysis
Weakly compact cardinal	Concept	Mathematical logic and foundations
Associated prime	Definition	Commutative algebra
Szegő recurrence and Verblunsky coefficients	Theorem	Harmonic analysis on Euclidean spaces
Post's problem	Problem	Mathematical logic and foundations
Symmetric spectrum	Concept	Algebraic topology
Structural rigidity	Definition	Convex and discrete geometry
Arakelyan's theorem	Theorem	Functions of a complex variable
t-structure	Definition	Category theory; homological algebra
Scott domain	Concept	Order, lattices, ordered algebraic structures
Robinson–Schensted correspondence	Theorem	Combinatorics
Cap set problem	Theorem	Combinatorics
Huygens principle	Theorem	Partial differential equations
Locally path-connected space	Definition	General topology
Kirkman's schoolgirl problem	Problem	Combinatorics
Derivation of the conjugate gradient method	Proposition	Numerical analysis
Functional	Definition	Calculus of variations and optimal control; optimization