Concepts
A mathematical idea. It can have more than one definition.
- Concepts 5200
- Definitions 5023
- Statements 3076
- Conjectures 75
- Problems 147
- Examples 431
- Counterexamples 71
- Objects 132
- Proofs 10
- Computations 1
- Topics 1
Ideas 4951–5100 of 5200.
| Name | Kind | Subject |
|---|---|---|
| Class VII surface | Concept | Several complex variables and analytic spaces |
| Riccati differential equation of optimal control | Concept | Calculus of variations and optimal control; optimization |
| Intersection body | Concept | Convex and discrete geometry |
| Galerkin method | Concept | Numerical analysis |
| Score test | Concept | Statistics |
| Perimeter of a set | Concept | Calculus of variations and optimal control; optimization |
| Sine and cosine series | Concept | Harmonic analysis on Euclidean spaces |
| Injectivity radius | Concept | Differential geometry |
| Glimm scheme | Concept | Partial differential equations |
| Castelnuovo–Mumford regularity | Concept | Commutative algebra |
| Hurewicz fibration | Concept | Algebraic topology |
| Circle average | Concept | Potential theory |
| Homogeneity equation | Concept | Difference and functional equations |
| Lagrange polynomial | Concept | Approximations and expansions |
| Complex torus | Concept | Algebraic geometry |
| Flat norm | Concept | Calculus of variations and optimal control; optimization |
| Bounded symmetric domain | Concept | Several complex variables and analytic spaces |
| Cheeger constant | Concept | Combinatorics |
| Brody hyperbolicity | Concept | Several complex variables and analytic spaces |
| Exponential map | Concept | Differential geometry |
| Non-uniform rational B-spline | Concept | Numerical analysis |
| Hazard function | Concept | Statistics |
| Measure with density | Concept | Measure and integration |
| Abelian category | Concept | Category theory; homological algebra |
| Rigid analytic space | Concept | Algebraic geometry |
| Branched covering | Concept | Manifolds and cell complexes |
| Fractional ideal | Concept | Commutative algebra |
| Incomplete gamma function | Concept | Special functions |
| Schottky group | Concept | Functions of a complex variable |
| Hessenberg matrix | Concept | Linear and multilinear algebra; matrix theory |
| Boundary layer | Concept | Ordinary differential equations |
| Integral transform | Concept | Integral transforms, operational calculus |
| Abscissa of absolute convergence | Concept | Integral transforms, operational calculus |
| Autocorrelation function | Concept | Statistics |
| Homotopy groups of spheres | Concept | Algebraic topology |
| Adjoint state method | Concept | Calculus of variations and optimal control; optimization |
| Successive minima | Concept | Number theory |
| Error of best approximation | Concept | Approximations and expansions |
| Frequentist inference | Concept | Statistics |
| Stationary set | Concept | Mathematical logic and foundations |
| HNN extension | Concept | Group theory and generalizations |
| Quasi-analytic function | Concept | Real functions |
| Unirational variety | Concept | Algebraic geometry |
| Limit set | Concept | Dynamical systems and ergodic theory |
| Excellent ring | Concept | Commutative algebra |
| Zero morphism | Concept | Category theory; homological algebra |
| Holomorphic functional calculus | Concept | Operator theory |
| (∞,1)-category | Concept | Category theory; homological algebra |
| Finite field arithmetic | Concept | Field theory and polynomials |
| Dirichlet energy | Concept | Potential theory |
| Operator theory | Concept | Operator theory |
| Period map | Concept | Several complex variables and analytic spaces |
| Quantum invariant of 3-manifolds | Concept | Manifolds and cell complexes |
| Finitely based algebra | Concept | General algebraic systems |
| Triangulation | Concept | Manifolds and cell complexes |
| Scaling function and refinement equation | Concept | Harmonic analysis on Euclidean spaces |
| One-parameter subgroup | Concept | Topological groups, Lie groups |
| Poincaré–Lindstedt method | Concept | Ordinary differential equations |
| Eilenberg–Steenrod axioms | Concept | Algebraic topology |
| Perspective projection | Concept | Geometry |
| Lax–Wendroff method | Concept | Numerical analysis |
| Lommel function | Concept | Special functions |
| Combinatorics on words | Concept | Computer science |
| WKB approximation | Concept | Ordinary differential equations |
| Analytic combinatorics | Concept | Combinatorics |
| Commuting elements | Concept | General algebraic systems |
| 3-j symbol | Concept | Special functions |
| Mirror symmetry | Concept | Algebraic geometry |
| Developable surface | Concept | Differential geometry |
| Likelihood-ratio test | Concept | Statistics |
| Ordinary least squares | Concept | Statistics |
| Bredon cohomology | Concept | Algebraic topology |
| Synchronization of chaos | Concept | Ordinary differential equations |
| Nonassociative ring | Concept | Nonassociative rings and algebras |
| Chevalley group | Concept | Group theory and generalizations |
| Affine arithmetic | Concept | Numerical analysis |
| Approximation theory | Concept | Approximations and expansions |
| Locally finite measure | Concept | Measure and integration |
| Functional inequality | Concept | Difference and functional equations |
| Artinian module | Concept | Associative rings and algebras |
| Hahn series | Concept | Commutative algebra |
| Model complete theory | Concept | Mathematical logic and foundations |
| Kolmogorov automorphism | Concept | Dynamical systems and ergodic theory |
| Integro-differential equation | Concept | Integral equations |
| Adapted process | Concept | Probability theory and stochastic processes |
| Gaussian binomial coefficient | Concept | Combinatorics |
| Nonlinear approximation | Concept | Approximations and expansions |
| Curse of dimensionality | Concept | Numerical analysis |
| Axiomatic potential theory | Concept | Potential theory |
| Nome | Concept | Special functions |
| Zeta-regularized determinant | Concept | Global analysis, analysis on manifolds |
| Nevanlinna characteristic | Concept | Functions of a complex variable |
| Continuous and residual spectrum | Concept | Operator theory |
| Simplicial polytope | Concept | Convex and discrete geometry |
| Topology of uniform convergence | Concept | General topology |
| Club set | Concept | Mathematical logic and foundations |
| Toric variety | Concept | Algebraic geometry |
| Instanton | Concept | Differential geometry |
| Trace form | Concept | Field theory and polynomials |
| Rate of convergence | Concept | Sequences, series, summability |
| Simplex | Concept | Geometry |
| Uniform module | Concept | Associative rings and algebras |
| Group cohomology | Concept | Group theory and generalizations |
| Projective object | Concept | Category theory; homological algebra |
| Inversion in a circle | Concept | Geometry |
| Arakelov theory | Concept | Algebraic geometry |
| Analysis on fractals | Concept | Potential theory |
| Fractional differential equation | Concept | Ordinary differential equations |
| J-homomorphism | Concept | Algebraic topology |
| Measurable function | Concept | Measure and integration |
| Measure algebra | Concept | Measure and integration |
| Pochhammer symbol | Concept | Combinatorics |
| Periodicity equation | Concept | Difference and functional equations |
| Field of formal Laurent series | Concept | Commutative algebra |
| Koszul complex | Concept | Commutative algebra |
| Kolmogorov–Smirnov test | Concept | Statistics |
| Schubert variety | Concept | Algebraic geometry |
| Supermanifold | Concept | Global analysis, analysis on manifolds |
| Uniserial module | Concept | Associative rings and algebras |
| Order filter | Concept | Order, lattices, ordered algebraic structures |
| Cotangent space of a local ring | Concept | Commutative algebra |
| Difference algebra | Concept | Field theory and polynomials |
| Subharmonic function | Concept | Potential theory |
| Axiom A | Concept | Dynamical systems and ergodic theory |
| Trace class operator | Concept | Operator theory |
| Parabolic subgroup | Concept | Topological groups, Lie groups |
| Trace operator | Concept | Functional analysis |
| Positive cone | Concept | Functional analysis |
| Weierstrass equation | Concept | Algebraic geometry |
| Algebraic logic | Concept | Mathematical logic and foundations |
| Aperiodic set of prototiles | Concept | Convex and discrete geometry |
| Stein space | Concept | Several complex variables and analytic spaces |
| Little q-Jacobi polynomials | Concept | Special functions |
| Band matrix | Concept | Linear and multilinear algebra; matrix theory |
| Oracle machine | Concept | Mathematical logic and foundations |
| Duality in category theory | Concept | Category theory; homological algebra |
| Projective morphism | Concept | Algebraic geometry |
| Zonotope | Concept | Convex and discrete geometry |
| Proper cone | Concept | Convex and discrete geometry |
| Bernstein–Bézier form | Concept | Approximations and expansions |
| Inherently nonfinitely based algebra | Concept | General algebraic systems |
| Massey product | Concept | Algebraic topology |
| Spectral theory of dynamical systems | Concept | Dynamical systems and ergodic theory |
| Real analytic manifold | Concept | Several complex variables and analytic spaces |
| Interior operator | Concept | Order, lattices, ordered algebraic structures |
| Strongly pseudoconvex domain | Concept | Several complex variables and analytic spaces |
| Polar space | Concept | Geometry |
| Hunt process | Concept | Probability theory and stochastic processes |
| Almost periodic sequence | Concept | Difference and functional equations |
| Finite-rank operator | Concept | Operator theory |