Nodes at W0, stub

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

Ideas 13501–13650 of 18049.

Name	Kind	Subject
Narasimhan lemma	Lemma	Several complex variables and analytic spaces
Lommel function	Definition	Special functions
Reductive Lie group	Definition	Topological groups, Lie groups
Operator theory	Definition	Operator theory
Method of characteristics in gas dynamics	Definition	Fluid mechanics
Triple point	Concept	Classical thermodynamics, heat transfer
't Hooft–Polyakov monopole	Object	Quantum theory
Kelvin wave	Concept	Fluid mechanics
Plancherel measure	Concept	Abstract harmonic analysis
Ahlfors theory	Definition	Functions of a complex variable
P-wave	Definition	Mechanics of deformable solids
Rademacher's theorem	Theorem	Real functions
Vanishing cycle	Definition	Several complex variables and analytic spaces
Double-negation translation	Definition	Mathematical logic and foundations
Fundamental theorem of linear programming	Theorem	Operations research, mathematical programming
Deceleration parameter	Concept	Relativity and gravitational theory
Blakers–Massey theorem	Theorem	Algebraic topology
Forced convection	Concept	Fluid mechanics
Goldie ring	Concept	Associative rings and algebras
Graph minor	Definition	Combinatorics
Endomorphism monoid	Concept	General algebraic systems
Bohr–Mollerup theorem	Theorem	Special functions
Spectral method	Definition	Numerical analysis
Poles of the gamma function	Theorem	Special functions
Parker instability	Concept	Astronomy and astrophysics
Associator	Definition	Nonassociative rings and algebras
Big Bang nucleosynthesis	Concept	Astronomy and astrophysics
Lambda-CDM model	Concept	Relativity and gravitational theory
Dual cone	Concept	Convex and discrete geometry
Legendre polynomials	Concept	Special functions
Radical of a module	Concept	Associative rings and algebras
Path space fibration	Definition	Algebraic topology
Algebra over a monad	Concept	Category theory; homological algebra
Parabolic cylinder function	Definition	Special functions
G2 manifold	Definition	Differential geometry
Schönberg–Chandrasekhar limit	Fact	Astronomy and astrophysics
AC0	Definition	Computer science
Convergence along an ultrafilter	Concept	General topology
Appell series	Concept	Special functions
Vanishing mean oscillation	Concept	Harmonic analysis on Euclidean spaces
Linear algebraic group	Definition	Group theory and generalizations
Monoidal functor	Definition	Category theory; homological algebra
Hankel transform of radial functions in the plane	Example	Integral transforms, operational calculus
Zeros and poles of a system	Definition	Systems theory; control
Generic filter	Definition	Mathematical logic and foundations
Tannaka–Krein duality	Theorem	Topological groups, Lie groups
Ehrhart polynomial	Definition	Convex and discrete geometry
Singular point of an algebraic variety	Definition	Algebraic geometry
Analytic capacity	Concept	Functions of a complex variable
Lagrange interpolation	Definition	Approximations and expansions
Leray–Schauder method	Concept	Operator theory
Duality gap	Definition	Operations research, mathematical programming
Elliptic geometry	Definition	Geometry
Picard group of a ring	Definition	Commutative algebra
Problem of time	Problem	Relativity and gravitational theory
Levitzki's theorem	Theorem	Associative rings and algebras
Schnirelmann density	Concept	Number theory
Borsuk–Ulam theorem	Theorem	Algebraic topology
Inverse distance weighting	Concept	Numerical analysis
Beta function	Concept	Special functions
Steiner system	Definition	Combinatorics
Rogers' bound	Theorem	Convex and discrete geometry
Camassa–Holm equation	Concept	Partial differential equations
Hurwitz quaternions	Object	Number theory
Magnetotellurics	Definition	Geophysics
Overdetermined system	Concept	Linear and multilinear algebra; matrix theory
Moving horizon estimation	Concept	Systems theory; control
Malcev algebra	Definition	Nonassociative rings and algebras
Strain energy density function	Definition	Mechanics of deformable solids
Spectrum of a ring	Definition	Algebraic geometry
Algebraic structure	Concept	General algebraic systems
Muckenhoupt weights	Definition	Harmonic analysis on Euclidean spaces
Left-orderable group	Definition	Group theory and generalizations
Optical transfer function	Definition	Optics, electromagnetic theory
Gysin sequence	Theorem	Algebraic topology
Boussinesq problem	Problem	Mechanics of deformable solids
First main theorem of Nevanlinna theory	Theorem	Functions of a complex variable
Phase response curve	Definition	Biology and other natural sciences
Bounded mean oscillation	Concept	Functions of a complex variable
ZPP	Concept	Computer science
Randomization	Definition	Statistics
Kramers' opacity law	Fact	Astronomy and astrophysics
Steiner tree problem	Problem	Operations research, mathematical programming
Liouville's theorem for harmonic functions	Theorem	Potential theory
Atiyah–Singer index theorem	Theorem	Global analysis, analysis on manifolds
Ordinary point and singular point	Concept	Ordinary differential equations
Coarea formula	Theorem	Measure and integration
Cattaneo–Vernotte equation	Definition	Classical thermodynamics, heat transfer
Spectral geometry	Concept	Global analysis, analysis on manifolds
Hull–White model	Definition	Game theory, economics, finance, and other social and behavioral sciences
Whitehead product	Concept	Algebraic topology
Fully invariant congruence	Concept	General algebraic systems
Cardinal function	Definition	General topology
Lagrangian singularity	Concept	Differential geometry
Planck's law	Theorem	Classical thermodynamics, heat transfer
Bidual and canonical embedding	Concept	Functional analysis
Atiyah–Segal completion theorem	Theorem	K-theory
Prime ideal of a lattice	Concept	Order, lattices, ordered algebraic structures
Fermat point	Concept	Geometry
Models of DNA evolution	Definition	Biology and other natural sciences
Ellipsoid method	Definition	Operations research, mathematical programming
Ky Fan minimax inequality	Theorem	Calculus of variations and optimal control; optimization
Finite type algebra	Definition	Commutative algebra
Quantum computing	Definition	Quantum theory
Weyl quantization	Definition	Quantum theory
Weyl integration formula	Theorem	Topological groups, Lie groups
Virial expansion	Concept	Classical thermodynamics, heat transfer
Graphon	Concept	Combinatorics
Descriptive complexity theory	Definition	Computer science
Tangent space	Concept	Global analysis, analysis on manifolds
Mather–Yau theorem	Theorem	Several complex variables and analytic spaces
Box spline	Concept	Approximations and expansions
Dirac operator on a spin manifold	Concept	Differential geometry
Boltzmann's entropy formula	Fact	Statistical mechanics, structure of matter
Stokeslet	Concept	Fluid mechanics
Abel transform	Concept	Integral transforms, operational calculus
Laurent polynomial ring	Concept	Associative rings and algebras
Identity component	Definition	Topological groups, Lie groups
Moore–Osgood theorem	Theorem	Sequences, series, summability
Reed–Muller code	Definition	Information and communication theory, circuits
Satisfiability	Concept	Mathematical logic and foundations
Logistic map	Example	Dynamical systems and ergodic theory
Whipple's transformation	Theorem	Special functions
Prolate spheroidal wave functions	Concept	Special functions
Sufficient statistic	Definition	Statistics
Fox H-function transforms	Definition	Integral transforms, operational calculus
Pseudofunctor	Definition	Category theory; homological algebra
Cauchy–Riemann equations in several variables	Definition	Several complex variables and analytic spaces
Convolutional code	Definition	Information and communication theory, circuits
Congruence generated by a relation	Concept	General algebraic systems
Symplectomorphism	Definition	Differential geometry
Electronic band structure	Concept	Statistical mechanics, structure of matter
Nutation	Concept	Mechanics of particles and systems
Polytope	Concept	Convex and discrete geometry
Cartan's magic formula	Proposition	Global analysis, analysis on manifolds
Deformation of algebras	Concept	Associative rings and algebras
Total curvature	Concept	Differential geometry
Gold code	Definition	Information and communication theory, circuits
Wave function collapse	Definition	Quantum theory
Bargmann transform	Concept	Integral transforms, operational calculus
Interval arithmetic	Concept	Numerical analysis
Hilbert's nineteenth problem	Problem	Partial differential equations
Cartan connection	Concept	Differential geometry
Space-filling curve	Example	General topology
Dynamic programming in continuous time	Concept	Calculus of variations and optimal control; optimization
Abstract data type as an algebra	Definition	Computer science
Gentzen's consistency proof	Theorem	Mathematical logic and foundations
Electric charge	Definition	Optics, electromagnetic theory
Robust control	Definition	Systems theory; control
Method of matched asymptotic expansions	Concept	Ordinary differential equations