Every idea

Ideas 9451–9600 of 14183.

Name	Kind	Subject
Homology manifold	Definition	Manifolds and cell complexes
Content	Definition	Measure and integration
Free algebra	Definition	Associative rings and algebras
Convolution power	Concept	Integral transforms, operational calculus
Fáry's theorem	Theorem	Combinatorics
Quantum enveloping algebra	Definition	Nonassociative rings and algebras
Stably finite ring	Definition	Associative rings and algebras
Strong maximal function	Definition	Harmonic analysis on Euclidean spaces
Catalan's conjecture	Theorem	Number theory
Potential of a measure	Concept	Potential theory
Shilov boundary	Concept	Functional analysis
Circle packing	Definition	Convex and discrete geometry
Calderón–Zygmund operator	Definition	Harmonic analysis on Euclidean spaces
Microlocal analysis	Definition	Partial differential equations
Zero-dimensional space	Concept	General topology
Separable closure	Concept	Field theory and polynomials
Doubly stochastic matrix	Concept	Linear and multilinear algebra; matrix theory
Runge–Kutta methods	Definition	Numerical analysis
k-vertex-connected graph	Definition	Combinatorics
Induced representation	Concept	Group theory and generalizations
Scorer's function	Concept	Special functions
Spin group	Example	Topological groups, Lie groups
Eckart–Young theorem	Theorem	Linear and multilinear algebra; matrix theory
Yang–Mills equations	Concept	Mechanics of particles and systems
Weyl algebra	Definition	Associative rings and algebras
Proper morphism	Definition	Algebraic geometry
Alexander polynomial	Concept	Manifolds and cell complexes
Group C*-algebra	Concept	Topological groups, Lie groups
Stable map	Definition	Global analysis, analysis on manifolds
Fourier–Stieltjes transform	Definition	Harmonic analysis on Euclidean spaces
Chudnovsky algorithm	Concept	Number theory
Hilbert cube	Object	General topology
Tate–Shafarevich group	Definition	Number theory
Separable Banach space	Definition	Functional analysis
End and coend	Definition	Category theory; homological algebra
Lambert quadrilateral	Definition	Geometry
Ordered ring	Definition	Order, lattices, ordered algebraic structures
Four lemma	Lemma	Category theory; homological algebra
Tarski's axioms	Definition	Geometry
Characteristic variety	Definition	Partial differential equations
Jacobi equation	Definition	Calculus of variations and optimal control; optimization
Kloosterman sum	Definition	Number theory
Legendre–Hadamard condition	Theorem	Calculus of variations and optimal control; optimization
Hopf link	Example	Manifolds and cell complexes
Logistic regression	Concept	Statistics
Little's law	Theorem	Probability theory and stochastic processes
Differential equations in Banach spaces	Concept	Ordinary differential equations
Topological modular forms	Concept	Algebraic topology
Polycyclic group	Definition	Group theory and generalizations
Fundamental lemma of the calculus of variations	Lemma	Calculus of variations and optimal control; optimization
Milnor's isospectral flat tori	Example	Global analysis, analysis on manifolds
Mixed model	Concept	Statistics
Triangulation conjecture	Problem	Manifolds and cell complexes
Symbolic method	Concept	Combinatorics
Accelerated failure time model	Concept	Statistics
Inverse transform	Definition	Integral transforms, operational calculus
Skorokhod's representation theorem	Theorem	Probability theory and stochastic processes
Einstein–Hilbert action	Concept	Relativity and gravitational theory
Poincaré map	Definition	Dynamical systems and ergodic theory
Regular and singular points of an analytic set	Definition	Several complex variables and analytic spaces
Nonnegative matrix	Concept	Linear and multilinear algebra; matrix theory
Derived set	Definition	General topology
Quasifield	Concept	Field theory and polynomials
Diamond lattice M3	Example	Order, lattices, ordered algebraic structures
Hölder's inequality	Theorem	Real functions
Reflective subcategory	Definition	Category theory; homological algebra
Machine epsilon	Definition	Numerical analysis
Stiefel–Whitney class	Concept	Manifolds and cell complexes
Fixed-point property	Concept	General topology
Galois representation	Concept	Number theory
Veblen function	Concept	Mathematical logic and foundations
Dual abelian variety	Definition	Algebraic geometry
Homoclinic bifurcation	Concept	Dynamical systems and ergodic theory
Simplicial complex	Definition	Combinatorics
NIP theory	Definition	Mathematical logic and foundations
Ultraparallel theorem	Theorem	Geometry
Â-genus as the index of the Dirac operator	Theorem	Global analysis, analysis on manifolds
Dirichlet character	Definition	Number theory
Besicovitch almost periodic function	Definition	Harmonic analysis on Euclidean spaces
Serre's twisting sheaf	Definition	Algebraic geometry
Lê–Ramanujam theorem	Theorem	Several complex variables and analytic spaces
Set theory	Definition	Mathematical logic and foundations
Cheeger's inequality for the first eigenvalue	Theorem	Global analysis, analysis on manifolds
Conway polynomial	Definition	Number theory
Integral functional with a Lagrangian density	Concept	Calculus of variations and optimal control; optimization
Reduced complex space	Definition	Several complex variables and analytic spaces
Kernel pair	Definition	Category theory; homological algebra
Poincaré inequality	Theorem	Functional analysis
Unimodular matrix	Definition	Linear and multilinear algebra; matrix theory
Substructure	Definition	Mathematical logic and foundations
Shock wave	Concept	Partial differential equations
Complex manifold	Concept	Several complex variables and analytic spaces
Analytic semigroup	Concept	Operator theory
Sphere	Definition	Geometry
Modulation space	Concept	Harmonic analysis on Euclidean spaces
Growth rate of a group	Definition	Group theory and generalizations
Frobenius norm	Concept	Linear and multilinear algebra; matrix theory
Log-gamma function	Concept	Special functions
Riemann–Stieltjes integral	Concept	Real functions
Bergman metric	Definition	Several complex variables and analytic spaces
Many-one reduction	Concept	Mathematical logic and foundations
Stalk	Concept	General topology
Strong dual space	Definition	Functional analysis
Local trivialization	Concept	Algebraic topology
Linearized stability theorem for maps	Theorem	Difference and functional equations
Fréchet algebra	Definition	Functional analysis
Riemann–Liouville integral	Concept	Real functions
Von Neumann–Bernays–Gödel set theory	Concept	Mathematical logic and foundations
Normal family	Concept	Functions of a complex variable
Elliptic gamma function	Concept	Special functions
Hewitt–Savage zero–one law	Theorem	Probability theory and stochastic processes
Lie subgroup	Definition	Topological groups, Lie groups
Perturbation theory of linear operators	Concept	Operator theory
Lindström–Gessel–Viennot lemma	Lemma	Combinatorics
Bifurcation set	Concept	Global analysis, analysis on manifolds
Local trivialization	Definition	Algebraic topology
Mapping class group	Concept	Manifolds and cell complexes
Hyperplane arrangement	Definition	Convex and discrete geometry
Geometric measure theory	Concept	Calculus of variations and optimal control; optimization
Haar wavelet	Example	Harmonic analysis on Euclidean spaces
Zimmer's conjecture	Conjecture	Dynamical systems and ergodic theory
Factorization of polynomials	Concept	Commutative algebra
Open embedding theorem for Hilbert manifolds	Theorem	Global analysis, analysis on manifolds
Shift property of the Z-transform	Proposition	Integral transforms, operational calculus
Hyperbolic group	Concept	Group theory and generalizations
Affine independence	Concept	Geometry
Fischer decomposition	Theorem	Potential theory
Bergman kernel	Definition	Functions of a complex variable
Steenrod algebra	Concept	Algebraic topology
Multiplicity of a local ring	Concept	Commutative algebra
Cartier divisor	Definition	Algebraic geometry
Cup product	Concept	Algebraic topology
Affine connection	Concept	Differential geometry
Field of rational functions	Definition	Field theory and polynomials
Box–Jenkins method	Concept	Statistics
Opposite structure	Definition	General algebraic systems
Young's convolution inequality	Theorem	Integral transforms, operational calculus
Littlewood's three principles	Concept	Measure and integration
Minimal variety	Concept	General algebraic systems
Banach measure problem	Problem	Measure and integration
Morphism of schemes	Concept	Algebraic geometry
Oval	Definition	Geometry
Frobenius group	Concept	Group theory and generalizations
Pell numbers	Example	Number theory
Multiply transitive group action	Definition	Group theory and generalizations
Unit and counit	Definition	Category theory; homological algebra
Fourier series method	Concept	Partial differential equations
Kauffman bracket	Concept	Manifolds and cell complexes
Jensen's inequality for integrals	Theorem	Real functions
Infinite product	Concept	Sequences, series, summability