Concepts
A mathematical idea. It can have more than one definition.
- Concepts 4454
- Definitions 4288
- Statements 2528
- Conjectures 69
- Problems 106
- Examples 346
- Counterexamples 63
- Objects 119
- Proofs 10
- Computations 1
- Topics 1
Ideas 4051–4200 of 4454.
| Name | Kind | Subject |
|---|---|---|
| Cofibration | Concept | Algebraic topology |
| Cerf theory | Concept | Manifolds and cell complexes |
| Sequent calculus | Concept | Mathematical logic and foundations |
| Dirichlet-to-Neumann operator | Concept | Partial differential equations |
| Matrix function | Concept | Linear and multilinear algebra; matrix theory |
| Baum–Welch algorithm | Concept | Statistics |
| Eichler order | Concept | Number theory |
| Universal algebra | Concept | General algebraic systems |
| Tensor rank | Concept | Linear and multilinear algebra; matrix theory |
| Dehn twist | Concept | Manifolds and cell complexes |
| Linear extension | Concept | Order, lattices, ordered algebraic structures |
| Lambert summation | Concept | Sequences, series, summability |
| H-representation and V-representation | Concept | Convex and discrete geometry |
| Hypergeometric differential equation | Concept | Special functions |
| Rees algebra | Concept | Commutative algebra |
| Frobenius method | Concept | Ordinary differential equations |
| End and coend | Concept | Category theory; homological algebra |
| Classifying space of a group | Concept | Algebraic topology |
| Laguerre polynomials | Concept | Special functions |
| Many-sorted algebra | Concept | General algebraic systems |
| Random walk on a group | Concept | Probability theory and stochastic processes |
| Orlicz space | Concept | Functional analysis |
| Wilf–Zeilberger pair | Concept | Special functions |
| Ternary operation | Concept | General algebraic systems |
| Extreme set | Concept | Convex and discrete geometry |
| Jacobi amplitude | Concept | Special functions |
| Signature | Concept | Mathematical logic and foundations |
| Quadratic polynomial dynamics | Concept | Dynamical systems and ergodic theory |
| Sigma-finite measure | Concept | Measure and integration |
| Generic filter | Concept | Mathematical logic and foundations |
| Axiom of dependent choice | Concept | Mathematical logic and foundations |
| Aitken's delta-squared process | Concept | Numerical analysis |
| Prime radical | Concept | Associative rings and algebras |
| Jacobson topology | Concept | Associative rings and algebras |
| Hilbert symbol | Concept | Number theory |
| Periodic tiling | Concept | Convex and discrete geometry |
| Infinitary operation | Concept | General algebraic systems |
| p-adic absolute value | Concept | Field theory and polynomials |
| Projective cover | Concept | Associative rings and algebras |
| Internal language | Concept | Mathematical logic and foundations |
| Lattice | Concept | Order, lattices, ordered algebraic structures |
| Holonomy | Concept | Differential geometry |
| Filtration of a module | Concept | Commutative algebra |
| Direct product of algebras | Concept | General algebraic systems |
| Hilbert sum | Concept | Functional analysis |
| Provability logic | Concept | Mathematical logic and foundations |
| Matrix congruence | Concept | Linear and multilinear algebra; matrix theory |
| Hopf algebra structure on cohomology | Concept | Algebraic topology |
| Simplicial object | Concept | Category theory; homological algebra |
| Smoothness classes | Concept | Real functions |
| Intersection form | Concept | Manifolds and cell complexes |
| Nonstandard analysis | Concept | Real functions |
| Sequential space | Concept | General topology |
| Luzin N property | Concept | Real functions |
| Pseudocomplement | Concept | Order, lattices, ordered algebraic structures |
| Richardson extrapolation | Concept | Numerical analysis |
| Wirtinger derivatives | Concept | Functions of a complex variable |
| Morley rank | Concept | Mathematical logic and foundations |
| Series in Banach spaces | Concept | Sequences, series, summability |
| Divisor class group | Concept | Commutative algebra |
| Lattice (group) | Concept | Number theory |
| Stopping time | Concept | Probability theory and stochastic processes |
| John ellipsoid | Concept | Convex and discrete geometry |
| Galois theory | Concept | Field theory and polynomials |
| Incomplete beta function | Concept | Special functions |
| Free lattice | Concept | Order, lattices, ordered algebraic structures |
| Sufficient statistic | Concept | Statistics |
| Essential supremum | Concept | Measure and integration |
| Field trace | Concept | Field theory and polynomials |
| Stieltjes function | Concept | Real functions |
| Ideal class group | Concept | Number theory |
| Chain complex | Concept | Category theory; homological algebra |
| Jackknife | Concept | Statistics |
| Arnold tongue | Concept | Dynamical systems and ergodic theory |
| Metacompact space | Concept | General topology |
| Tight and overtwisted contact structures | Concept | Manifolds and cell complexes |
| Finitely generated algebra | Concept | General algebraic systems |
| Abstract polytope | Concept | Convex and discrete geometry |
| Triangle center | Concept | Geometry |
| Quasivariety | Concept | General algebraic systems |
| Mean-field game | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Classifying space | Concept | Algebraic topology |
| Euler transform | Concept | Sequences, series, summability |
| Estimating equations | Concept | Statistics |
| Forgetful functor | Concept | Category theory; homological algebra |
| Commutative diagram | Concept | Category theory; homological algebra |
| Jack function | Concept | Combinatorics |
| Simplicial set | Concept | Category theory; homological algebra |
| Hilbert class field | Concept | Number theory |
| Closed immersion | Concept | Algebraic geometry |
| Riemann P-symbol | Concept | Special functions |
| Section of a vector bundle | Concept | Algebraic topology |
| Invariant set | Concept | Ordinary differential equations |
| Tensor field | Concept | Differential geometry |
| Tangent bundle | Concept | Global analysis, analysis on manifolds |
| Proximity space | Concept | General topology |
| Group representation | Concept | Group theory and generalizations |
| Minkowski–Bouligand dimension | Concept | Measure and integration |
| Cauchy filter | Concept | General topology |
| Resolvent set | Concept | Operator theory |
| Computability theory | Concept | Mathematical logic and foundations |
| Kolmogorov–Sinai entropy | Concept | Dynamical systems and ergodic theory |
| Large cardinal | Concept | Mathematical logic and foundations |
| Horn hypergeometric series | Concept | Special functions |
| Stable ∞-category | Concept | Category theory; homological algebra |
| Separated morphism | Concept | Algebraic geometry |
| Formally real field | Concept | Field theory and polynomials |
| Lie symmetry method | Concept | Ordinary differential equations |
| Center manifold | Concept | Ordinary differential equations |
| Quadratic variation | Concept | Probability theory and stochastic processes |
| Rees matrix semigroup | Concept | Group theory and generalizations |
| Nörlund mean | Concept | Sequences, series, summability |
| Cut locus | Concept | Differential geometry |
| Finite ring | Concept | Associative rings and algebras |
| Localization at a prime ideal | Concept | Commutative algebra |
| Rough path | Concept | Probability theory and stochastic processes |
| Rack and quandle | Concept | Manifolds and cell complexes |
| Integrable function | Concept | Measure and integration |
| Finite difference method | Concept | Numerical analysis |
| Chern–Simons form | Concept | Differential geometry |
| Separable algebra | Concept | Associative rings and algebras |
| Residually finite algebra | Concept | General algebraic systems |
| Permanent | Concept | Linear and multilinear algebra; matrix theory |
| Direct limit | Concept | Category theory; homological algebra |
| Sub-Gaussian distribution | Concept | Probability theory and stochastic processes |
| Laguerre–Pólya class | Concept | Functions of a complex variable |
| Jacobson radical | Concept | Commutative algebra |
| Commutative magma | Concept | Group theory and generalizations |
| Khovanov homology | Concept | Manifolds and cell complexes |
| CAT(0) group | Concept | Group theory and generalizations |
| Local martingale | Concept | Probability theory and stochastic processes |
| Kovacic's algorithm | Concept | Ordinary differential equations |
| Nuclear space | Concept | Functional analysis |
| Probit model | Concept | Statistics |
| Blocking | Concept | Statistics |
| Primal algebra | Concept | General algebraic systems |
| Unary algebra | Concept | General algebraic systems |
| Brauer–Manin obstruction | Concept | Algebraic geometry |
| Fox–Wright function | Concept | Special functions |
| Continuous q-Hermite polynomials | Concept | Special functions |
| Naive set theory | Concept | Mathematical logic and foundations |
| Regular semigroup | Concept | Group theory and generalizations |
| Colombeau algebra | Concept | Functional analysis |
| Elliptic cohomology | Concept | Algebraic topology |
| Train track | Concept | Manifolds and cell complexes |
| Normal fan | Concept | Convex and discrete geometry |
| Algebraic curve | Concept | Algebraic geometry |
| p-Laplacian | Concept | Partial differential equations |
| Semisimple Lie group | Concept | Topological groups, Lie groups |
| Function field | Concept | Field theory and polynomials |