Every idea

Ideas 3451–3600 of 14183.

Name	Kind	Subject
Partial autocorrelation function	Concept	Statistics
Auslander–Reiten quiver	Concept	Associative rings and algebras
Additive category	Definition	Category theory; homological algebra
Rokhlin's theorem	Theorem	Manifolds and cell complexes
Mackey machine	Concept	Topological groups, Lie groups
Mittag-Leffler function	Concept	Special functions
Geometric measure theory	Definition	Calculus of variations and optimal control; optimization
Transcendental extension	Concept	Field theory and polynomials
Baker's map	Example	Dynamical systems and ergodic theory
Filtration	Definition	Probability theory and stochastic processes
Betti numbers of a module	Definition	Commutative algebra
Geodesic curvature	Definition	Differential geometry
Stokes flow	Concept	Fluid mechanics
Classical orthogonal polynomials	Definition	Special functions
Calabi flow	Definition	Differential geometry
De Rham cohomology of varieties	Concept	Algebraic geometry
Set-valued measure	Concept	Measure and integration
Absolute geometry	Definition	Geometry
Proof complexity	Definition	Mathematical logic and foundations
Riemann domain over C^n	Definition	Several complex variables and analytic spaces
Unit-regular ring	Definition	Associative rings and algebras
Regular cardinal	Concept	Mathematical logic and foundations
Rate function	Concept	Probability theory and stochastic processes
Shearlet	Definition	Harmonic analysis on Euclidean spaces
Euler–Boole summation	Concept	Numerical analysis
Carathéodory's royal road	Concept	Calculus of variations and optimal control; optimization
Monge–Ampère equation	Concept	Partial differential equations
Laplace's method	Definition	Approximations and expansions
Sphere spectrum	Object	Algebraic topology
Tarski's axioms	Concept	Geometry
VC dimension	Definition	Combinatorics
Finitely based algebra	Definition	General algebraic systems
Huisken's theorem on convex hypersurfaces	Theorem	Differential geometry
Hales–Jewett theorem	Theorem	Combinatorics
Mehler–Fock transform	Definition	Integral transforms, operational calculus
Ryll-Nardzewski theorem	Theorem	Mathematical logic and foundations
Beta function in terms of the gamma function	Theorem	Special functions
Schatten class	Concept	Operator theory
Newton polynomial	Definition	Numerical analysis
Nakayama's lemma	Lemma	Commutative algebra
Piecewise linear manifold	Concept	Manifolds and cell complexes
Filter	Concept	General topology
Proper map	Concept	General topology
Model predictive control	Concept	Systems theory; control
Abel–Ruffini theorem	Theorem	Field theory and polynomials
Strongly minimal theory	Definition	Mathematical logic and foundations
Ideal quotient	Concept	Commutative algebra
Lambert series	Definition	Functions of a complex variable
Abelian theorems for integral transforms	Theorem	Integral transforms, operational calculus
Bessel–Clifford function	Concept	Special functions
Tensor product of algebras	Concept	Commutative algebra
Liénard's theorem	Theorem	Ordinary differential equations
Concentration of measure	Definition	Convex and discrete geometry
Finitely additive measure	Definition	Measure and integration
Closure operator	Definition	Order, lattices, ordered algebraic structures
Integral scheme	Concept	Algebraic geometry
Vector measure	Definition	Measure and integration
Polyharmonic function	Concept	Potential theory
Regular open algebra	Example	Order, lattices, ordered algebraic structures
Warsaw circle	Example	General topology
Hilbert's twentieth problem	Problem	Calculus of variations and optimal control; optimization
Kolmogorov complexity	Definition	Computer science
Spectral theorem for unbounded self-adjoint operators	Theorem	Operator theory
Navier–Stokes equations	Concept	Partial differential equations
Pseudofunctor	Concept	Category theory; homological algebra
Jeffreys prior	Concept	Statistics
Isospectral manifolds	Concept	Global analysis, analysis on manifolds
Morrey–Campanato space	Definition	Functional analysis
Resolvent set	Definition	Operator theory
Holomorphic map	Definition	Several complex variables and analytic spaces
Stable map	Concept	Global analysis, analysis on manifolds
Fourier transform method for convolution equations	Definition	Integral equations
Univalent function	Definition	Functions of a complex variable
Interval exchange transformation	Example	Dynamical systems and ergodic theory
Meijer G-function	Concept	Special functions
Random matrix	Definition	Linear and multilinear algebra; matrix theory
Lebesgue point	Concept	Measure and integration
Liouville's equation	Definition	Partial differential equations
Entropy solution	Concept	Partial differential equations
Link	Concept	Manifolds and cell complexes
Convex join	Concept	Convex and discrete geometry
Leray–Schauder degree	Definition	Operator theory
n-connected space	Concept	Algebraic topology
Artin approximation theorem	Theorem	Commutative algebra
Numerical stability	Concept	Numerical analysis
Equational theory	Definition	General algebraic systems
Riesz projector	Definition	Operator theory
Semiprimitive ring	Concept	Associative rings and algebras
Wagner's theorem	Theorem	Combinatorics
Congruence-permutable variety	Concept	General algebraic systems
Krull dimension	Definition	Commutative algebra
Euclidean distance matrix	Concept	Geometry
Sumudu transform	Concept	Integral transforms, operational calculus
Integral of a Hopf algebra	Definition	Associative rings and algebras
Exponential integral	Definition	Special functions
Differential inclusion	Definition	Ordinary differential equations
Banach–Alaoglu theorem	Theorem	Functional analysis
Knot concordance	Concept	Manifolds and cell complexes
Parry measure	Concept	Dynamical systems and ergodic theory
Graded poset	Concept	Order, lattices, ordered algebraic structures
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