Every idea

Ideas 9151–9300 of 14183.

Name	Kind	Subject
Docquier–Grauert theorem	Theorem	Several complex variables and analytic spaces
Gabrielov's theorem of the complement	Theorem	Several complex variables and analytic spaces
Partial linear space	Definition	Geometry
Ideal of an algebraic set	Concept	Algebraic geometry
Absolutely convergent Fourier series	Concept	Harmonic analysis on Euclidean spaces
Fermi–Dirac integral	Concept	Special functions
Principal symbol of an operator on a manifold	Definition	Global analysis, analysis on manifolds
Ordered vector space	Concept	Functional analysis
Term rewriting for equational theories	Definition	Computer science
Differentiation and multiplication under the Fourier transform	Proposition	Harmonic analysis on Euclidean spaces
Free product of algebras	Concept	General algebraic systems
Variational principle for topological entropy	Theorem	Dynamical systems and ergodic theory
Taylor term	Definition	General algebraic systems
LF-space	Definition	Functional analysis
Sumudu transform	Definition	Integral transforms, operational calculus
Jordan–Dedekind chain condition	Definition	Order, lattices, ordered algebraic structures
Fraïssé limit	Definition	Mathematical logic and foundations
Relative homotopy	Definition	Algebraic topology
Minkowski plane	Definition	Geometry
Diagram	Concept	Category theory; homological algebra
Stochastic ordering	Concept	Probability theory and stochastic processes
Hidden Markov model	Concept	Statistics
Fraïssé limit	Concept	Mathematical logic and foundations
Berlekamp's algorithm	Definition	Number theory
Convex cone	Definition	Convex and discrete geometry
Cauchy filter	Definition	General topology
Tomographic reconstruction	Problem	Integral transforms, operational calculus
Projective resolution	Concept	Commutative algebra
Lie product formula	Theorem	Linear and multilinear algebra; matrix theory
Shannon–McMillan–Breiman theorem	Theorem	Dynamical systems and ergodic theory
Homology sphere	Concept	Manifolds and cell complexes
Kernel of an integral transform	Definition	Integral transforms, operational calculus
Legendre transformation	Definition	Real functions
Kolmogorov criterion for best approximation	Theorem	Approximations and expansions
Cohomology of Lie groups	Concept	Manifolds and cell complexes
Thom's cobordism theorem	Theorem	Manifolds and cell complexes
Hilbert space	Concept	Functional analysis
Prony's method	Definition	Numerical analysis
Cluster algebra	Definition	Commutative algebra
Abel–Plana formula	Theorem	Numerical analysis
Stein manifold	Concept	Several complex variables and analytic spaces
Fixed-point property of posets	Concept	Order, lattices, ordered algebraic structures
Transcendental extension	Definition	Field theory and polynomials
Holonomy groupoid of a foliation	Concept	Manifolds and cell complexes
Inversion of rational transforms by partial fractions	Definition	Integral transforms, operational calculus
Dirichlet series	Definition	Number theory
Minkowski sum of polytopes	Definition	Convex and discrete geometry
Nevanlinna theory	Definition	Functions of a complex variable
Radon inversion formula	Theorem	Integral transforms, operational calculus
Kronecker's lemma	Lemma	Sequences, series, summability
Carlson symmetric forms	Definition	Special functions
Filtration	Concept	Probability theory and stochastic processes
Absolutely monotonic function	Definition	Real functions
Ovoid	Concept	Geometry
Lie groupoid	Concept	Topological groups, Lie groups
Riesz projector	Concept	Operator theory
Topological conjugacy	Concept	Dynamical systems and ergodic theory
Hilbert–Serre theorem	Theorem	Commutative algebra
Fredholm minors	Concept	Integral equations
Askey–Wilson polynomials	Definition	Special functions
Generalized hypergeometric function	Definition	Special functions
Minimal set	Definition	Dynamical systems and ergodic theory
No small subgroups	Concept	Topological groups, Lie groups
Distance geometry	Concept	Geometry
Desarguesian plane	Concept	Geometry
Plancherel theorem	Theorem	Harmonic analysis on Euclidean spaces
Projective conic	Definition	Geometry
Primitive polynomial over a finite field	Concept	Number theory
Regular measure	Concept	Measure and integration
Sperner's lemma	Lemma	Combinatorics
Algebraic space	Definition	Algebraic geometry
Fréchet–Urysohn space	Definition	General topology
ADE singularity	Concept	Algebraic geometry
Comodule	Definition	Associative rings and algebras
Distribution function of a measurable function	Concept	Measure and integration
Hunt process	Definition	Probability theory and stochastic processes
Structure theory of totally disconnected locally compact groups	Concept	Topological groups, Lie groups
Linear-quadratic regulator	Problem	Calculus of variations and optimal control; optimization
Rayleigh quotient for symmetric kernels	Concept	Integral equations
Determinate moment problem	Definition	Integral transforms, operational calculus
Kobayashi hyperbolic manifold	Concept	Several complex variables and analytic spaces
Generalized Boolean algebra	Definition	Order, lattices, ordered algebraic structures
Minkowski content	Concept	Measure and integration
Bifurcation diagram	Definition	Dynamical systems and ergodic theory
Bump function	Concept	Real functions
Jónsson terms	Definition	General algebraic systems
Castelnuovo–Mumford regularity	Definition	Commutative algebra
Cochran's theorem	Theorem	Statistics
Freedman's classification of simply connected 4-manifolds	Theorem	Manifolds and cell complexes
Schauder estimates	Theorem	Partial differential equations
Additive functor	Definition	Category theory; homological algebra
Universal approximation theorem	Theorem	Approximations and expansions
Stochastic approximation	Definition	Statistics
Fisher information	Definition	Statistics
Fibration and cofibration	Concept	Category theory; homological algebra
Path lifting property	Theorem	Manifolds and cell complexes
Scott domain	Definition	Order, lattices, ordered algebraic structures
de Casteljau's algorithm	Concept	Numerical analysis
Lusternik–Schnirelmann category	Definition	Algebraic topology
Curry–Howard correspondence	Definition	Mathematical logic and foundations
Honeycomb	Concept	Convex and discrete geometry
Crandall–Lions uniqueness theorem	Theorem	Calculus of variations and optimal control; optimization
Chain map	Concept	Category theory; homological algebra
Singular integral operator	Concept	Harmonic analysis on Euclidean spaces
Coupling	Concept	Probability theory and stochastic processes
Jenkins–Traub algorithm	Theorem	Numerical analysis
Dyadic transformation	Example	Dynamical systems and ergodic theory
Umbilic catastrophes	Example	Global analysis, analysis on manifolds
Schreier coset graph	Concept	Group theory and generalizations
Algebraic variety	Concept	Algebraic geometry
Topological quantum field theory	Definition	Manifolds and cell complexes
Initial algebra semantics	Concept	General algebraic systems
Algebraic group	Definition	Algebraic geometry
Kronecker's approximation theorem	Theorem	Number theory
Kissing number	Definition	Convex and discrete geometry
Griffiths positivity	Definition	Several complex variables and analytic spaces
Gluing of schemes	Definition	Algebraic geometry
Mellin transform method	Concept	Integral equations
Monte Carlo method	Concept	Numerical analysis
Digamma function	Concept	Special functions
Special functions	Concept	Special functions
Stability condition	Definition	Category theory; homological algebra
Invariant measure	Definition	Dynamical systems and ergodic theory
Extremal length	Concept	Functions of a complex variable
Hausdorff–Young inequality	Theorem	Harmonic analysis on Euclidean spaces
Stewart's theorem	Theorem	Geometry
Complex analytic space	Concept	Several complex variables and analytic spaces
Arnold conjecture	Conjecture	Differential geometry
Strip of convergence of the bilateral transform	Concept	Integral transforms, operational calculus
Non-Desarguesian plane	Example	Geometry
Well-formed formula	Concept	Mathematical logic and foundations
Chebyshev nodes	Concept	Numerical analysis
Iterated Laplace transform equals Stieltjes transform	Proposition	Integral transforms, operational calculus
Laguerre series expansion of the Laplace transform	Concept	Integral transforms, operational calculus
Poisson bracket	Definition	Differential geometry
Cospherical points	Concept	Geometry
Dialectica interpretation	Concept	Mathematical logic and foundations
Associativity of convolution	Proposition	Integral transforms, operational calculus
n-connected space	Definition	Algebraic topology
Milnor number	Definition	Several complex variables and analytic spaces
Smooth dynamical system	Definition	Dynamical systems and ergodic theory
Ornstein–Uhlenbeck process	Concept	Probability theory and stochastic processes
Radon measure	Concept	Measure and integration
Chebyshev system	Definition	Approximations and expansions
Smith–Volterra–Cantor set	Example	Measure and integration
Herman ring	Concept	Dynamical systems and ergodic theory
Dual abelian variety	Concept	Algebraic geometry
Translation plane	Definition	Geometry
Order of a difference equation	Definition	Difference and functional equations
Erdős–Ginzburg–Ziv theorem	Theorem	Number theory