Concepts
A mathematical idea. It can have more than one definition.
- Concepts 5206
- Definitions 5027
- Statements 3081
- Conjectures 75
- Problems 147
- Examples 431
- Counterexamples 71
- Objects 132
- Proofs 11
- Computations 1
- Topics 1
Ideas 3151–3300 of 5206.
| Name | Kind | Subject |
|---|---|---|
| Second-order logic | Concept | Mathematical logic and foundations |
| Inner model | Concept | Mathematical logic and foundations |
| Quasi-algebraically closed field | Concept | Field theory and polynomials |
| Admissible function | Concept | Calculus of variations and optimal control; optimization |
| Hadamard finite part | Concept | Integral equations |
| Projection body | Concept | Convex and discrete geometry |
| Formal concept analysis | Concept | Order, lattices, ordered algebraic structures |
| Bohr compactification | Concept | Topological groups, Lie groups |
| Exceptional collection | Concept | Algebraic geometry |
| Energy method | Concept | Partial differential equations |
| Stiffness matrix | Concept | Numerical analysis |
| Constructivism | Concept | Mathematical logic and foundations |
| Cylinder set measure | Concept | Measure and integration |
| Kirillov orbit method | Concept | Topological groups, Lie groups |
| Balayage space | Concept | Potential theory |
| Complete local ring | Concept | Commutative algebra |
| Coordinate ring | Concept | Algebraic geometry |
| System of linear integral equations | Concept | Integral equations |
| Exact category in the sense of Barr | Concept | Category theory; homological algebra |
| Laguerre geometry | Concept | Geometry |
| Differential field | Concept | Field theory and polynomials |
| Linear algebraic group | Concept | Group theory and generalizations |
| Pro-object | Concept | Category theory; homological algebra |
| Holomorphic fiber bundle | Concept | Several complex variables and analytic spaces |
| Complex analytic variety | Concept | Several complex variables and analytic spaces |
| Ring of differential operators | Concept | Associative rings and algebras |
| Partial differential equation | Concept | Partial differential equations |
| Inverse transform | Concept | Integral transforms, operational calculus |
| Skolem normal form | Concept | Mathematical logic and foundations |
| Convex independence | Concept | Convex and discrete geometry |
| Contact structure on a jet bundle | Concept | Global analysis, analysis on manifolds |
| Indeterminate moment problem | Concept | Integral transforms, operational calculus |
| Hyperbolic triangle | Concept | Geometry |
| Bromwich justification of the Heaviside calculus | Concept | Integral transforms, operational calculus |
| Grothendieck topology | Concept | Category theory; homological algebra |
| Strictly convex space | Concept | Functional analysis |
| Submultiplicative function | Concept | Difference and functional equations |
| Nonlinear Schrödinger equation | Concept | Partial differential equations |
| n-term approximation | Concept | Approximations and expansions |
| Open immersion | Concept | Algebraic geometry |
| q-analog | Concept | Combinatorics |
| Dimension theory | Concept | Commutative algebra |
| Fredholm map | Concept | Global analysis, analysis on manifolds |
| Spectral sequence | Concept | Category theory; homological algebra |
| Partial isometry | Concept | Operator theory |
| Reeb vector field | Concept | Differential geometry |
| Algebraic Riccati equation | Concept | Linear and multilinear algebra; matrix theory |
| Pseudo-Riemannian manifold | Concept | Differential geometry |
| Algebraic group | Concept | Algebraic geometry |
| Linear system of divisors | Concept | Algebraic geometry |
| Hyperbolic 3-manifold | Concept | Manifolds and cell complexes |
| Nielsen fixed-point theory | Concept | Algebraic topology |
| Prime knot | Concept | Manifolds and cell complexes |
| Lattice of subvarieties | Concept | General algebraic systems |
| Generic matrix algebra | Concept | Associative rings and algebras |
| Strict Henselization | Concept | Commutative algebra |
| Gerstenhaber algebra | Concept | Nonassociative rings and algebras |
| Bang–bang control | Concept | Calculus of variations and optimal control; optimization |
| Rank-one convexity | Concept | Calculus of variations and optimal control; optimization |
| Tessellation | Concept | Convex and discrete geometry |
| Toeplitz matrix | Concept | Linear and multilinear algebra; matrix theory |
| Caustic | Concept | Differential geometry |
| Hyperbolic geometry | Concept | Geometry |
| IEEE 754 standard | Concept | Numerical analysis |
| Prime end | Concept | Functions of a complex variable |
| Involution | Concept | General algebraic systems |
| Chebyshev series | Concept | Approximations and expansions |
| Shrinkage estimator | Concept | Statistics |
| Intersection multiplicity | Concept | Algebraic geometry |
| Toeplitz operator | Concept | Operator theory |
| Lamé equations of elasticity | Concept | Mechanics of deformable solids |
| Family-wise error rate | Concept | Statistics |
| Time–frequency analysis | Concept | Harmonic analysis on Euclidean spaces |
| Generalized quadrangle | Concept | Geometry |
| Relation algebra | Concept | Mathematical logic and foundations |
| Differential graded algebra | Concept | Associative rings and algebras |
| Interacting particle system | Concept | Probability theory and stochastic processes |
| Input-to-state stability | Concept | Systems theory; control |
| Full and faithful functors | Concept | Category theory; homological algebra |
| Residual set | Concept | General topology |
| Szász–Mirakyan operator | Concept | Approximations and expansions |
| Bessel function of the second kind | Concept | Special functions |
| Morita invariant | Concept | Associative rings and algebras |
| Neumann boundary condition | Concept | Ordinary differential equations |
| Universally measurable set | Concept | Measure and integration |
| Kernel of an integral equation | Concept | Integral equations |
| Moments and orthogonal polynomials | Concept | Integral transforms, operational calculus |
| Gromov–Hausdorff convergence | Concept | Differential geometry |
| Friedrichs extension | Concept | Operator theory |
| Property (T) | Concept | Topological groups, Lie groups |
| Triangular matrix | Concept | Linear and multilinear algebra; matrix theory |
| Line graph | Concept | Combinatorics |
| Free algebra in a variety | Concept | General algebraic systems |
| Dunkl operator | Concept | Special functions |
| Conformal geometry | Concept | Differential geometry |
| Dedekind-finite ring | Concept | Associative rings and algebras |
| Analytic signal | Concept | Information and communication theory, circuits |
| Smale's degree for proper Fredholm maps | Concept | Global analysis, analysis on manifolds |
| Index of a singular integral operator | Concept | Integral equations |
| Arithmetical variety | Concept | General algebraic systems |
| Global dimension | Concept | Commutative algebra |
| Modular form | Concept | Number theory |
| de Rham cohomology | Concept | Global analysis, analysis on manifolds |
| Image of J | Concept | Algebraic topology |
| Bayesian information criterion | Concept | Statistics |
| Unramified morphism of rings | Concept | Commutative algebra |
| Conformal radius | Concept | Functions of a complex variable |
| Pseudo-Anosov map | Concept | Dynamical systems and ergodic theory |
| Almost periodic function | Concept | Abstract harmonic analysis |
| Knot invariant | Concept | Manifolds and cell complexes |
| Arithmetic genus | Concept | Algebraic geometry |
| Determinate moment problem | Concept | Integral transforms, operational calculus |
| Conditioned Brownian motion | Concept | Probability theory and stochastic processes |
| Partially well-ordered set | Concept | Order, lattices, ordered algebraic structures |
| Paratopological group | Concept | Topological groups, Lie groups |
| Remez algorithm | Concept | Numerical analysis |
| Spread | Concept | Geometry |
| Viscosity solution | Concept | Partial differential equations |
| Quermassintegral | Concept | Convex and discrete geometry |
| Analytic function between Banach spaces | Concept | Functional analysis |
| Character of an abelian group | Concept | Abstract harmonic analysis |
| Integrally closed domain | Concept | Commutative algebra |
| Generalized cohomology theory | Concept | Algebraic topology |
| Trigonometric functions | Concept | Special functions |
| Exponential map of a Lie group | Concept | Topological groups, Lie groups |
| Perfect set property | Concept | Mathematical logic and foundations |
| Weak Lp space | Concept | Functional analysis |
| Littlewood–Paley square function | Concept | Harmonic analysis on Euclidean spaces |
| Unit-regular ring | Concept | Associative rings and algebras |
| Power iteration | Concept | Numerical analysis |
| Preservation of limits | Concept | Category theory; homological algebra |
| Wiener–Hopf method | Concept | Integral equations |
| Frobenius element | Concept | Number theory |
| Weighted least squares | Concept | Statistics |
| Elliptic geometry | Concept | Geometry |
| Ramification | Concept | Number theory |
| Separable degree | Concept | Field theory and polynomials |
| Weak lower semicontinuity | Concept | Calculus of variations and optimal control; optimization |
| Mutually orthogonal Latin squares | Concept | Combinatorics |
| Ordered ring | Concept | Order, lattices, ordered algebraic structures |
| Volterra equation of the first kind | Concept | Integral equations |
| Analytic geometry | Concept | Geometry |
| Bockstein homomorphism | Concept | Algebraic topology |
| Newton polygon | Concept | Field theory and polynomials |
| Partial algebra | Concept | General algebraic systems |
| Étale morphism | Concept | Algebraic geometry |
| Lagrangian submanifold | Concept | Differential geometry |
| Integral operator | Concept | Operator theory |
| Cokernel | Concept | Category theory; homological algebra |
| Complete integral | Concept | Partial differential equations |