Every idea

Ideas 11551–11700 of 14183.

Name	Kind	Subject
Grassmannian as classifying space	Example	Algebraic topology
Gauss–Jacobi quadrature	Theorem	Numerical analysis
Euler's theorem in geometry	Theorem	Geometry
Approximate derivative	Definition	Real functions
Green's relations	Definition	Group theory and generalizations
Compact-open topology	Concept	General topology
Stieltjes transform	Concept	Integral transforms, operational calculus
Strong dual space	Concept	Functional analysis
Kähler differentials	Definition	Commutative algebra
Bing metrization theorem	Theorem	General topology
Gauss–Legendre quadrature	Concept	Numerical analysis
Spline interpolation	Definition	Approximations and expansions
Hardy–Littlewood circle method	Definition	Number theory
Mild solution	Definition	Operator theory
Order embedding	Concept	Order, lattices, ordered algebraic structures
Banach–Mazur compactum	Object	Functional analysis
Whitney extension theorem	Theorem	Real functions
Representation of a quiver	Definition	Associative rings and algebras
Butcher tableau	Concept	Numerical analysis
Structural rigidity	Concept	Convex and discrete geometry
Nontangential limit	Concept	Potential theory
Steiner chain	Example	Geometry
Poincaré asymptotic series	Definition	Approximations and expansions
Poincaré half-plane model	Example	Geometry
Parabolic and hyperbolic Riemann surfaces	Concept	Functions of a complex variable
Graeffe's method	Theorem	Numerical analysis
Beeman's algorithm	Proposition	Numerical analysis
Exponential object	Concept	Category theory; homological algebra
Knaster–Tarski theorem	Theorem	Order, lattices, ordered algebraic structures
Black–Scholes equation	Definition	Partial differential equations
Integral of a Hopf algebra	Concept	Associative rings and algebras
Beth definability theorem	Theorem	Mathematical logic and foundations
Jensen's covering theorem	Theorem	Mathematical logic and foundations
Heun's method	Proposition	Numerical analysis
Unification	Concept	Computer science
Fundamental convergence theorem	Theorem	Potential theory
Dihedral quandle	Example	Manifolds and cell complexes
Functional equations on groups	Concept	Difference and functional equations
Fourier–Legendre series	Concept	Harmonic analysis on Euclidean spaces
Attainable null space	Concept	Functional analysis
Ramanujan's 1psi1 summation	Theorem	Special functions
Noncentral chi-squared distribution	Concept	Statistics
Adjoint integral equation	Definition	Integral equations
Group representation	Definition	Group theory and generalizations
Cylindric algebra	Definition	Mathematical logic and foundations
Matrix summability method	Definition	Sequences, series, summability
Segre embedding	Example	Algebraic geometry
Dirichlet's principle	Theorem	Potential theory
Mackey–Arens theorem	Theorem	Functional analysis
Fermat's principle	Fact	Optics, electromagnetic theory
Local homomorphism	Definition	Commutative algebra
Complete elliptic integral of the first kind	Concept	Special functions
Dedekind's problem	Problem	Order, lattices, ordered algebraic structures
Turing pattern	Concept	Partial differential equations
Tomita–Takesaki theory	Definition	Functional analysis
Hilbert polynomial	Concept	Commutative algebra
Borel hierarchy	Definition	Mathematical logic and foundations
Saturated model	Concept	Mathematical logic and foundations
Character of a representation	Concept	Group theory and generalizations
Bartle–Dunford–Schwartz integral	Concept	Functional analysis
Rado graph	Object	Combinatorics
Analyticity of the bilateral Laplace transform of a law	Theorem	Integral transforms, operational calculus
Semicontinuity	Concept	General topology
Tychonoff's non-uniqueness example	Counterexample	Partial differential equations
Gelfond–Schneider theorem	Theorem	Number theory
Stereographic projection	Definition	Functions of a complex variable
Soliton	Definition	Partial differential equations
Kan extension	Concept	Category theory; homological algebra
Sokhotski–Plemelj theorem	Theorem	Functions of a complex variable
Finitely complete category	Definition	Category theory; homological algebra
Euler characteristic	Concept	Algebraic topology
Mosco convergence	Definition	Calculus of variations and optimal control; optimization
Hyperoval	Concept	Geometry
Brunn–Minkowski theory	Concept	Convex and discrete geometry
Semilattice	Definition	Order, lattices, ordered algebraic structures
Risk function	Definition	Statistics
Strictly singular operator	Concept	Operator theory
Henselian ring	Concept	Commutative algebra
Orbifold	Concept	Manifolds and cell complexes
Constant-mean-curvature surface	Concept	Differential geometry
Littlewood polynomial	Definition	Harmonic analysis on Euclidean spaces
Halley's method	Theorem	Numerical analysis
c-cyclical monotonicity	Concept	Calculus of variations and optimal control; optimization
Mellin transform of a power times a function	Proposition	Integral transforms, operational calculus
Singularity of a smooth map	Definition	Global analysis, analysis on manifolds
Kardar–Parisi–Zhang equation	Concept	Probability theory and stochastic processes
Spectral theory	Definition	Operator theory
Volterra series	Concept	Systems theory; control
Dodgson condensation	Concept	Linear and multilinear algebra; matrix theory
Archimedean equivalence classes	Concept	Order, lattices, ordered algebraic structures
Bang–bang control	Definition	Calculus of variations and optimal control; optimization
Strictly convex space	Definition	Functional analysis
Mean-periodic function	Definition	Harmonic analysis on Euclidean spaces
Law of the iterated logarithm	Theorem	Probability theory and stochastic processes
Ring of invariants	Definition	Commutative algebra
Stable vector bundle	Concept	Algebraic geometry
Mazur's torsion theorem	Theorem	Number theory
Injective tensor product	Concept	Functional analysis
Borel summation	Definition	Sequences, series, summability
Intuitionism	Definition	Mathematical logic and foundations
Askey scheme	Concept	Special functions
Stiff equation	Concept	Numerical analysis
Baire property	Definition	General topology
Moduli of algebraic curves	Definition	Algebraic geometry
Normal coordinates	Concept	Differential geometry
Ample line bundle	Concept	Algebraic geometry
Symmetric and self-reciprocal kernels	Concept	Integral transforms, operational calculus
Normal number	Definition	Number theory
Riemann's differential equation	Concept	Special functions
Second variation	Definition	Calculus of variations and optimal control; optimization
Integrable function	Definition	Measure and integration
Gromov's theorem on groups of polynomial growth	Theorem	Group theory and generalizations
Scheme	Definition	Algebraic geometry
Eilenberg swindle	Concept	Associative rings and algebras
Askey–Wilson polynomials	Concept	Special functions
Spin structure	Concept	Differential geometry
Krein–Milman theorem	Theorem	Functional analysis
Clifford's theorem on special divisors	Theorem	Algebraic geometry
Fuller's phenomenon	Example	Calculus of variations and optimal control; optimization
Köthe conjecture	Conjecture	Associative rings and algebras
Apéry's theorem	Theorem	Number theory
Equidistribution modulo one	Definition	Number theory
Sheaf on a site	Concept	Category theory; homological algebra
Harmonic functions on Riemann surfaces	Definition	Functions of a complex variable
Chebyshev polynomials of the second kind	Definition	Special functions
Legendrian submanifold	Definition	Differential geometry
Petrov–Galerkin method	Theorem	Numerical analysis
Devaney chaos	Definition	Dynamical systems and ergodic theory
Set theory	Concept	Mathematical logic and foundations
Coupled map lattice	Definition	Dynamical systems and ergodic theory
Atomic domain	Definition	Commutative algebra
Floating-point arithmetic	Concept	Numerical analysis
Semiautomaton as a unary algebra	Example	General algebraic systems
Mesh generation	Concept	Numerical analysis
Nerve of a category	Concept	Category theory; homological algebra
Multidimensional Mellin transform	Definition	Integral transforms, operational calculus
Almgren's regularity theorem	Theorem	Calculus of variations and optimal control; optimization
Global field	Definition	Number theory
Natural density	Concept	Number theory
Embedded prime	Concept	Commutative algebra
Hessenberg matrix	Definition	Linear and multilinear algebra; matrix theory
Infinite Galois theory	Concept	Field theory and polynomials
Partial correlation	Definition	Statistics
Rational variety	Definition	Algebraic geometry
Epimorphism	Concept	Category theory; homological algebra
Carleman's condition	Theorem	Integral transforms, operational calculus
Euler equations	Concept	Partial differential equations
Proof of the uniqueness of inverses	Proof	Group theory and generalizations
Jordan–Dedekind chain condition	Concept	Order, lattices, ordered algebraic structures
Group action on a variety	Concept	Algebraic geometry