Every idea

Ideas 12451–12600 of 14167.

Name	Kind	Subject
Exponential stability	Definition	Ordinary differential equations
Length of a module	Definition	Commutative algebra
Convergence of Fourier series	Concept	Harmonic analysis on Euclidean spaces
p-adic integer	Concept	Field theory and polynomials
Lasso	Definition	Statistics
Schur's theorem	Theorem	Combinatorics
Josefson's theorem	Theorem	Several complex variables and analytic spaces
Abelian differential	Definition	Functions of a complex variable
Radical extension	Concept	Field theory and polynomials
Residuated mapping	Concept	Order, lattices, ordered algebraic structures
Fekete points	Definition	Potential theory
Krull topology	Definition	Field theory and polynomials
Parabolic cylinder function	Concept	Special functions
Morley's categoricity theorem	Theorem	Mathematical logic and foundations
Maximal ergodic theorem	Theorem	Dynamical systems and ergodic theory
Collineation	Concept	Geometry
Perfect closure	Definition	Field theory and polynomials
Simplicial complex	Concept	Combinatorics
Tsen's theorem	Theorem	Field theory and polynomials
Brauer's theorem on induced characters	Theorem	Group theory and generalizations
Martin's axiom	Concept	Mathematical logic and foundations
Stone-type duality for varieties	Definition	General algebraic systems
Householder transformation	Definition	Numerical analysis
von Mises–Fisher distribution	Concept	Statistics
Sullivan minimal model	Definition	Algebraic topology
Newtonian space	Concept	Functional analysis
Serre's twisting sheaf	Concept	Algebraic geometry
Two-sided Laplace transform	Definition	Integral transforms, operational calculus
van der Waerden's theorem	Theorem	Combinatorics
Unital	Definition	Geometry
X-ray transform	Concept	Integral transforms, operational calculus
Malcev completion	Concept	Topological groups, Lie groups
Connection on a vector bundle	Definition	Differential geometry
Plancherel theorem for abelian groups	Theorem	Abstract harmonic analysis
Numerical methods for linear least squares	Definition	Numerical analysis
Remmert's proper mapping theorem	Theorem	Several complex variables and analytic spaces
Grothendieck's local duality	Theorem	Commutative algebra
Term evaluation	Definition	General algebraic systems
Church's theorem on undecidability of first-order logic	Theorem	Mathematical logic and foundations
Type	Definition	Mathematical logic and foundations
Zeilberger's algorithm	Concept	Special functions
Masur–Veech theorem	Theorem	Dynamical systems and ergodic theory
Profinite group	Definition	Group theory and generalizations
Krein–Rutman theorem	Theorem	Operator theory
Direct method in the calculus of variations	Definition	Calculus of variations and optimal control; optimization
Yau's conjecture on infinitely many minimal surfaces	Theorem	Global analysis, analysis on manifolds
Trigonometric definition of Chebyshev polynomials	Proposition	Special functions
Operator space	Concept	Operator theory
Minkowski plane	Concept	Geometry
Trigonometric integrals	Concept	Special functions
Morita duality	Definition	Associative rings and algebras
Banach manifold	Definition	Global analysis, analysis on manifolds
q-convex manifold	Concept	Several complex variables and analytic spaces
n-skeleton	Concept	Manifolds and cell complexes
Cole–Hopf transformation	Concept	Partial differential equations
Universal property	Definition	Category theory; homological algebra
Closed geodesic	Definition	Differential geometry
Ancillary statistic	Concept	Statistics
Lyndon–Hochschild–Serre spectral sequence	Theorem	Group theory and generalizations
Kohn–Rossi cohomology	Concept	Several complex variables and analytic spaces
Fractional Brownian motion	Concept	Probability theory and stochastic processes
BK-space	Definition	Functional analysis
Blocking	Definition	Statistics
Banach–Mazur distance	Definition	Functional analysis
Riemann hypothesis	Conjecture	Number theory
Word metric	Concept	Group theory and generalizations
Dual operator	Concept	Operator theory
Hook length formula	Theorem	Combinatorics
Newlander–Nirenberg theorem	Theorem	Several complex variables and analytic spaces
Gabor transform	Definition	Harmonic analysis on Euclidean spaces
Cyclotomic extension	Concept	Field theory and polynomials
Generalized hypergeometric function	Concept	Special functions
Order polynomial	Concept	Order, lattices, ordered algebraic structures
Errors-in-variables model	Definition	Statistics
Geometric lattice	Concept	Order, lattices, ordered algebraic structures
Markov kernel	Definition	Probability theory and stochastic processes
Residually small variety	Definition	General algebraic systems
Curse of dimensionality	Definition	Numerical analysis
Convolution on the half-line	Definition	Integral transforms, operational calculus
Brunn–Minkowski theory	Definition	Convex and discrete geometry
Random integral equation	Concept	Integral equations
Small object argument	Theorem	Category theory; homological algebra
Betti number	Definition	Algebraic topology
von Neumann coordinatization theorem	Theorem	Order, lattices, ordered algebraic structures
Hausdorff content	Concept	Measure and integration
Smale's fourteenth problem	Problem	Dynamical systems and ergodic theory
Method of characteristics	Definition	Partial differential equations
Asymptotic analysis	Definition	Approximations and expansions
Logarithmic kernel	Concept	Potential theory
Day terms	Definition	General algebraic systems
Clenshaw–Curtis quadrature	Concept	Numerical analysis
Bayes risk	Concept	Statistics
Self-distributive operation	Concept	Group theory and generalizations
Rational homotopy theory	Definition	Algebraic topology
Modular group	Object	Number theory
Independent component analysis	Definition	Statistics
Differentiation in the transform variable	Theorem	Integral transforms, operational calculus
Brody's lemma	Theorem	Several complex variables and analytic spaces
Curvelet	Concept	Harmonic analysis on Euclidean spaces
Wasserstein metric	Concept	Calculus of variations and optimal control; optimization
Isogeometric analysis	Definition	Numerical analysis
Ore extension	Concept	Associative rings and algebras
Geodesic flow	Example	Dynamical systems and ergodic theory
Nonexpansive map	Concept	Operator theory
Nonparametric statistics	Concept	Statistics
Perfect graph	Definition	Combinatorics
Cyclic extension	Concept	Field theory and polynomials
Complete Boolean algebra	Definition	Order, lattices, ordered algebraic structures
Ultraproduct	Definition	Mathematical logic and foundations
Bockstein homomorphism	Definition	Algebraic topology
Hyers' theorem	Theorem	Difference and functional equations
The odd integers are not a subgroup of the integers	Example	Group theory and generalizations
Minimal period	Concept	Dynamical systems and ergodic theory
Signed measure	Concept	Measure and integration
Smooth structure	Definition	Manifolds and cell complexes
Bourgain's dimension bound for harmonic measure	Theorem	Potential theory
Pseudo-arc	Example	General topology
Surface	Concept	Manifolds and cell complexes
Bifurcation set	Definition	Global analysis, analysis on manifolds
Jury stability criterion	Theorem	Systems theory; control
Laplace transform of an integral	Proposition	Integral transforms, operational calculus
Measure with density	Definition	Measure and integration
Stone-type duality for varieties	Concept	General algebraic systems
Period map	Definition	Several complex variables and analytic spaces
Huntington's axioms	Definition	Order, lattices, ordered algebraic structures
Weaire–Phelan structure	Example	Convex and discrete geometry
List coloring	Concept	Combinatorics
Galois' theorem on solvability	Theorem	Field theory and polynomials
Algebraic set	Concept	Algebraic geometry
f-ring	Concept	Order, lattices, ordered algebraic structures
Shrinkage estimator	Definition	Statistics
Gegenbauer transform	Definition	Integral transforms, operational calculus
Fourier transform on locally compact abelian groups	Concept	Abstract harmonic analysis
Artinian module	Definition	Associative rings and algebras
Riesz basis	Definition	Harmonic analysis on Euclidean spaces
Completely monotone function	Concept	Real functions
Lindeberg's condition	Concept	Probability theory and stochastic processes
Risch algorithm	Concept	Computer science
Askey–Gasper inequality	Theorem	Special functions
Zeta function regularization	Concept	Number theory
Opposite ring	Definition	Associative rings and algebras
Littlewood's L1 norm conjecture	Theorem	Harmonic analysis on Euclidean spaces
Radon transform	Concept	Integral transforms, operational calculus
Köthe–Toeplitz dual	Concept	Functional analysis
Hom functor	Concept	Category theory; homological algebra
Graph embedding	Definition	Combinatorics
Bing–Borsuk conjecture	Conjecture	Manifolds and cell complexes
Perfectly normal space	Concept	General topology
Thompson groups	Object	Group theory and generalizations
Torsion submodule	Definition	Commutative algebra