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 3151–3300 of 4454.
| Name | Kind | Subject |
|---|---|---|
| dg category | Concept | Category theory; homological algebra |
| Lamé function | Concept | Special functions |
| Korteweg–De Vries equation | Concept | Partial differential equations |
| Algebraic independence | Concept | Field theory and polynomials |
| Algorithmic randomness | Concept | Mathematical logic and foundations |
| Ring of sets | Concept | Measure and integration |
| Dirichlet space | Concept | Functions of a complex variable |
| Exponential of a bounded operator | Concept | Operator theory |
| Frattini subgroup | Concept | Group theory and generalizations |
| Dedekind zeta function | Concept | Number theory |
| Face of a convex set | Concept | Convex and discrete geometry |
| Natural transformation | Concept | Category theory; homological algebra |
| Lasso | Concept | Statistics |
| Quillen equivalence | Concept | Category theory; homological algebra |
| Harmonic map | Concept | Global analysis, analysis on manifolds |
| Computable function | Concept | Mathematical logic and foundations |
| Perron integral | Concept | Real functions |
| Primitive ideal | Concept | Associative rings and algebras |
| Singular homology | Concept | Algebraic topology |
| Normalization | Concept | Algebraic geometry |
| Compact operator | Concept | Operator theory |
| Depth | Concept | Commutative algebra |
| Zeros of Bessel functions | Concept | Special functions |
| Green's function for the Laplacian | Concept | Potential theory |
| Traveling wave | Concept | Partial differential equations |
| Huntington's axioms | Concept | Order, lattices, ordered algebraic structures |
| Monoidal category | Concept | Category theory; homological algebra |
| Action-angle coordinates | Concept | Dynamical systems and ergodic theory |
| Nevanlinna class | Concept | Functions of a complex variable |
| Morita duality | Concept | Associative rings and algebras |
| Sobolev space | Concept | Functional analysis |
| Brun sieve | Concept | Number theory |
| Ideal norm | Concept | Number theory |
| Local coefficient system | Concept | Algebraic topology |
| Final functor | Concept | Category theory; homological algebra |
| Almost split sequence | Concept | Associative rings and algebras |
| Bessel polynomials | Concept | Special functions |
| Hölder summation | Concept | Sequences, series, summability |
| Matrix summability method | Concept | Sequences, series, summability |
| Projective line over a ring | Concept | Geometry |
| Analytical hierarchy | Concept | Mathematical logic and foundations |
| Cyclic polytope | Concept | Convex and discrete geometry |
| Character space | Concept | Functional analysis |
| Amalgamated free product | Concept | General algebraic systems |
| Ahlfors theory | Concept | Functions of a complex variable |
| Opposite ring | Concept | Associative rings and algebras |
| Analysis of variance | Concept | Statistics |
| Sylvester equation | Concept | Linear and multilinear algebra; matrix theory |
| Gabor frame | Concept | Harmonic analysis on Euclidean spaces |
| Grünwald–Letnikov derivative | Concept | Real functions |
| Cesàro means of Fourier series | Concept | Harmonic analysis on Euclidean spaces |
| Schläfli symbol | Concept | Geometry |
| Uniform convergence of series | Concept | Sequences, series, summability |
| First fundamental form | Concept | Differential geometry |
| Saddle-node bifurcation | Concept | Ordinary differential equations |
| Additive energy | Concept | Number theory |
| Lyapunov–Schmidt reduction | Concept | Operator theory |
| Hamiltonian path | Concept | Combinatorics |
| Rng | Concept | Associative rings and algebras |
| Weak convergence of measures | Concept | Probability theory and stochastic processes |
| Relational clone | Concept | General algebraic systems |
| Discriminator variety | Concept | General algebraic systems |
| Finite geometry | Concept | Geometry |
| Local homeomorphism | Concept | General topology |
| Proper group action | Concept | General topology |
| Gelfand–Kirillov dimension | Concept | Associative rings and algebras |
| Elementary class | Concept | Mathematical logic and foundations |
| Urysohn space | Concept | General topology |
| Group extension | Concept | Group theory and generalizations |
| Multicategory | Concept | Category theory; homological algebra |
| Gödel numbering | Concept | Mathematical logic and foundations |
| Regular variation | Concept | Real functions |
| Rarefaction wave | Concept | Partial differential equations |
| Difference set | Concept | Combinatorics |
| Binomial proportion confidence interval | Concept | Statistics |
| Space of bounded continuous functions | Concept | Functional analysis |
| Bernstein–Gelfand–Ponomarev reflection functors | Concept | Associative rings and algebras |
| Alexander–Spanier cohomology | Concept | Algebraic topology |
| Discrete valuation ring | Concept | Commutative algebra |
| Simplex algorithm | Concept | Operations research, mathematical programming |
| Boltzmann equation | Concept | Partial differential equations |
| Surgery theory | Concept | Manifolds and cell complexes |
| Bochner integral | Concept | Measure and integration |
| Relational structure | Concept | General algebraic systems |
| Fourier–Motzkin elimination | Concept | Operations research, mathematical programming |
| Carlson symmetric forms | Concept | Special functions |
| Kolmogorov quotient | Concept | General topology |
| Metropolis–Hastings algorithm | Concept | Numerical analysis |
| Inductive dimension | Concept | General topology |
| Unitary operator | Concept | Operator theory |
| Linear continuum | Concept | General topology |
| Tightness of measures | Concept | Probability theory and stochastic processes |
| Group algebra | Concept | Group theory and generalizations |
| Helmholtz equation | Concept | Partial differential equations |
| Percolation threshold | Concept | Probability theory and stochastic processes |
| Conservative system | Concept | Dynamical systems and ergodic theory |
| Hyperbolic set | Concept | Dynamical systems and ergodic theory |
| Autoregressive conditional heteroskedasticity | Concept | Statistics |
| Height of a poset | Concept | Order, lattices, ordered algebraic structures |
| Parallelohedron | Concept | Convex and discrete geometry |
| Projective dimension | Concept | Commutative algebra |
| Circumsphere | Concept | Geometry |
| Duality in order theory | Concept | Order, lattices, ordered algebraic structures |
| Lambert quadrilateral | Concept | Geometry |
| Parametric model | Concept | Statistics |
| Willmore flow | Concept | Differential geometry |
| Arity | Concept | General algebraic systems |
| Mittag-Leffler summation | Concept | Sequences, series, summability |
| Model theory of algebraically closed fields | Concept | Field theory and polynomials |
| Algebraic space | Concept | Algebraic geometry |
| Model | Concept | Mathematical logic and foundations |
| Krull dimension | Concept | Commutative algebra |
| Center of a ring | Concept | Associative rings and algebras |
| Algebraic number field | Concept | Number theory |
| Suspension flow | Concept | Dynamical systems and ergodic theory |
| Dedekind eta function | Concept | Number theory |
| Anderson localization | Concept | Statistical mechanics, structure of matter |
| Dowker space | Concept | General topology |
| Censoring | Concept | Statistics |
| Unit and counit | Concept | Category theory; homological algebra |
| Local ring | Concept | Commutative algebra |
| Proportional hazards model | Concept | Statistics |
| Crisis | Concept | Dynamical systems and ergodic theory |
| Haar system | Concept | Harmonic analysis on Euclidean spaces |
| Integrable system | Concept | Dynamical systems and ergodic theory |
| Operator monotone function | Concept | Operator theory |
| Large sieve | Concept | Number theory |
| Eulerian poset | Concept | Order, lattices, ordered algebraic structures |
| Cohen–Macaulay ring | Concept | Commutative algebra |
| Fitting subgroup | Concept | Group theory and generalizations |
| Risk function | Concept | Statistics |
| Circle map | Concept | Dynamical systems and ergodic theory |
| Projective geometry | Concept | Geometry |
| Free functor | Concept | General algebraic systems |
| Regularity theory | Concept | Partial differential equations |
| Hankel functions | Concept | Special functions |
| Semisimple module | Concept | Associative rings and algebras |
| Ideal sheaf | Concept | Algebraic geometry |
| Varifold | Concept | Calculus of variations and optimal control; optimization |
| Approximate point spectrum | Concept | Operator theory |
| Pseudoholomorphic curve | Concept | Several complex variables and analytic spaces |
| Mean-periodic function | Concept | Harmonic analysis on Euclidean spaces |
| Proof theory | Concept | Mathematical logic and foundations |
| Measurable space | Concept | Measure and integration |
| Order polytope | Concept | Order, lattices, ordered algebraic structures |
| Space of functions vanishing at infinity | Concept | Functional analysis |
| Quotient algebra | Concept | General algebraic systems |
| Liouvillian function | Concept | Field theory and polynomials |
| Geometric morphism | Concept | Category theory; homological algebra |
| Hyperplane arrangement | Concept | Convex and discrete geometry |