Definitions
One definition of a concept.
- Concepts 5200
- Definitions 5023
- Statements 3076
- Conjectures 75
- Problems 147
- Examples 431
- Counterexamples 71
- Objects 132
- Proofs 10
- Computations 1
- Topics 1
Ideas 4651–4800 of 5023.
| Name | Kind | Subject |
|---|---|---|
| Complex torus | Definition | Algebraic geometry |
| Ordered vector space | Definition | Functional analysis |
| Semilinear PDE | Definition | Partial differential equations |
| Compositum of fields | Definition | Field theory and polynomials |
| Algorithmic randomness | Definition | Mathematical logic and foundations |
| Givens rotation | Definition | Numerical analysis |
| Differentiable curve | Definition | Differential geometry |
| Exponential functions on semigroups | Definition | Difference and functional equations |
| Fourier–Bessel series | Definition | Harmonic analysis on Euclidean spaces |
| Harmonic map heat flow | Definition | Global analysis, analysis on manifolds |
| Multiplier ideal | Definition | Algebraic geometry |
| Marsden–Weinstein reduction | Definition | Differential geometry |
| Summability method | Definition | Sequences, series, summability |
| Integral element | Definition | Commutative algebra |
| Eikonal equation | Definition | Partial differential equations |
| Frölicher–Nijenhuis bracket | Definition | Global analysis, analysis on manifolds |
| Lattice | Definition | Order, lattices, ordered algebraic structures |
| Adjoint state method | Definition | Calculus of variations and optimal control; optimization |
| Hecke operator | Definition | Number theory |
| Logarithmic potential | Definition | Potential theory |
| Matrix Lie group | Definition | Topological groups, Lie groups |
| Proportional hazards model | Definition | Statistics |
| Inverse limit | Definition | Category theory; homological algebra |
| Quasi-Monte Carlo method | Definition | Numerical analysis |
| Schnirelmann density | Definition | Number theory |
| J-homomorphism | Definition | Algebraic topology |
| Harmonic space | Definition | Potential theory |
| Associated graded ring | Definition | Commutative algebra |
| Prime ring | Definition | Associative rings and algebras |
| Affine plane | Definition | Geometry |
| Metric outer measure | Definition | Measure and integration |
| Harmonic polynomial | Definition | Potential theory |
| Branch point | Definition | Functions of a complex variable |
| Square root of a positive operator | Definition | Operator theory |
| Nagata ring | Definition | Commutative algebra |
| Section of a vector bundle | Definition | Algebraic topology |
| Lebesgue–Stieltjes measure | Definition | Measure and integration |
| Faddeeva function | Definition | Special functions |
| Modulation space | Definition | Harmonic analysis on Euclidean spaces |
| Square root of a matrix | Definition | Linear and multilinear algebra; matrix theory |
| Best approximation | Definition | Approximations and expansions |
| F-sigma set | Definition | General topology |
| Superalgebra | Definition | Nonassociative rings and algebras |
| Colimit | Definition | Category theory; homological algebra |
| Analytic combinatorics | Definition | Combinatorics |
| Kähler manifold | Definition | Several complex variables and analytic spaces |
| Preconditioner | Definition | Numerical analysis |
| Geometric realization | Definition | Algebraic topology |
| Interacting particle system | Definition | Probability theory and stochastic processes |
| Separated morphism | Definition | Algebraic geometry |
| Curvelet | Definition | Harmonic analysis on Euclidean spaces |
| Abelian algebra | Definition | General algebraic systems |
| Generalized least squares | Definition | Statistics |
| Galois insertion | Definition | Order, lattices, ordered algebraic structures |
| Szász–Mirakyan operator | Definition | Approximations and expansions |
| Exchangeable random variables | Definition | Probability theory and stochastic processes |
| Quillen adjunction | Definition | Category theory; homological algebra |
| Coefficient of determination | Definition | Statistics |
| Cohomological dimension of a field | Definition | Field theory and polynomials |
| Prime end | Definition | Functions of a complex variable |
| Associated bundle | Definition | Algebraic topology |
| Substitution | Definition | Mathematical logic and foundations |
| Admissible decision rule | Definition | Statistics |
| Convex polytope | Definition | Convex and discrete geometry |
| Dehn twist | Definition | Manifolds and cell complexes |
| Unimodular group | Definition | Topological groups, Lie groups |
| Hyperbolic partial differential equation | Definition | Partial differential equations |
| Hochschild homology | Definition | Associative rings and algebras |
| Pseudo-differential operator | Definition | Partial differential equations |
| Laplace transform method for convolution equations | Definition | Integral equations |
| Ideal completion | Definition | Order, lattices, ordered algebraic structures |
| Descending chain condition | Definition | Order, lattices, ordered algebraic structures |
| Method of fundamental solutions | Definition | Numerical analysis |
| Separable degree | Definition | Field theory and polynomials |
| Shilov boundary | Definition | Functional analysis |
| System of parameters | Definition | Commutative algebra |
| Conformal geometric algebra | Definition | Linear and multilinear algebra; matrix theory |
| Lebesgue integral | Definition | Measure and integration |
| Supporting hyperplane | Definition | Convex and discrete geometry |
| Disk algebra | Definition | Functional analysis |
| Schramm–Loewner evolution | Definition | Probability theory and stochastic processes |
| Conformal geometry | Definition | Differential geometry |
| Étale morphism | Definition | Algebraic geometry |
| Three-term recurrence relation | Definition | Difference and functional equations |
| Enriched category | Definition | Category theory; homological algebra |
| Degree of exactness of a quadrature rule | Definition | Numerical analysis |
| Factorization of polynomials over finite fields | Definition | Number theory |
| Spectrum of an operator | Definition | Operator theory |
| Knot concordance | Definition | Manifolds and cell complexes |
| Volterra equation of the second kind | Definition | Integral equations |
| Automorphism | Definition | General algebraic systems |
| Cospherical points | Definition | Geometry |
| Symmetric kernel | Definition | Integral equations |
| Day convolution | Definition | Category theory; homological algebra |
| Almost periodic function | Definition | Abstract harmonic analysis |
| Conservation law | Definition | Partial differential equations |
| Skeleton of a category | Definition | Category theory; homological algebra |
| Fermat point | Definition | Geometry |
| Morphism | Definition | Category theory; homological algebra |
| Tight closure | Definition | Commutative algebra |
| Primitive recursive function | Definition | Mathematical logic and foundations |
| Functional equations on groups | Definition | Difference and functional equations |
| Hardy space | Definition | Functions of a complex variable |
| Confluent hypergeometric function | Definition | Special functions |
| Involution | Definition | General algebraic systems |
| Toric ideal | Definition | Commutative algebra |
| Invertible operator | Definition | Operator theory |
| Percolation threshold | Definition | Probability theory and stochastic processes |
| Robin boundary condition | Definition | Ordinary differential equations |
| Vlasov equation | Definition | Partial differential equations |
| Priority method | Definition | Mathematical logic and foundations |
| Group ring | Definition | Associative rings and algebras |
| Full subcategory | Definition | Category theory; homological algebra |
| Covering space | Definition | Manifolds and cell complexes |
| Finitely presented algebra | Definition | Commutative algebra |
| Curvature form | Definition | Differential geometry |
| Henstock–Kurzweil integral | Definition | Real functions |
| Box spline | Definition | Approximations and expansions |
| Fox H-function | Definition | Special functions |
| Kolmogorov–Sinai entropy | Definition | Dynamical systems and ergodic theory |
| Multialgebra | Definition | General algebraic systems |
| Non-atomic measure | Definition | Measure and integration |
| Eigenvalue perturbation | Definition | Linear and multilinear algebra; matrix theory |
| Associative quotient of a magma | Definition | Group theory and generalizations |
| Mal'cev term | Definition | General algebraic systems |
| Function of exponential order | Definition | Integral transforms, operational calculus |
| Semi-continuity | Definition | Real functions |
| Completion of a topological group | Definition | Topological groups, Lie groups |
| Structure | Definition | Mathematical logic and foundations |
| Divisor class group | Definition | Commutative algebra |
| Pseudoconvexity | Definition | Several complex variables and analytic spaces |
| Numerical range | Definition | Operator theory |
| Universal coalgebra | Definition | General algebraic systems |
| de Branges space | Definition | Functional analysis |
| Canonical height | Definition | Dynamical systems and ergodic theory |
| Hypergeometric differential equation | Definition | Special functions |
| Brauer–Manin obstruction | Definition | Algebraic geometry |
| Prime knot | Definition | Manifolds and cell complexes |
| Infinite compositions of functions | Definition | Sequences, series, summability |
| Second-order arithmetic | Definition | Mathematical logic and foundations |
| Hodge structure | Definition | Algebraic geometry |
| Continuous and residual spectrum | Definition | Operator theory |
| Germ | Definition | General topology |
| Stochastic differential equation | Definition | Probability theory and stochastic processes |
| Affine variety | Definition | Algebraic geometry |
| Permutation test | Definition | Statistics |
| Dirichlet eigenvalue | Definition | Partial differential equations |
| Lattice of subvarieties | Definition | General algebraic systems |
| Hellinger distance | Definition | Statistics |
| Fisher's exact test | Definition | Statistics |