Definitions
One definition of a concept.
- Concepts 5206
- Definitions 5027
- Statements 3081
- Conjectures 75
- Problems 147
- Examples 431
- Counterexamples 71
- Objects 132
- Proofs 11
- Computations 1
- Topics 1
Ideas 2551–2700 of 5027.
| Name | Kind | Subject |
|---|---|---|
| Puiseux series | Definition | Commutative algebra |
| Uniform algebra | Definition | Functional analysis |
| Endomorphism ring | Definition | Associative rings and algebras |
| Simson line | Definition | Geometry |
| Quasi-algebraically closed field | Definition | Field theory and polynomials |
| Lelong number | Definition | Several complex variables and analytic spaces |
| Extension and contraction of ideals | Definition | Commutative algebra |
| Fourier analysis | Definition | Harmonic analysis on Euclidean spaces |
| Commutative diagram | Definition | Category theory; homological algebra |
| Topology of pointwise convergence | Definition | General topology |
| Boundary integral method for the Dirichlet problem | Definition | Potential theory |
| Specht module | Definition | Group theory and generalizations |
| Nonlinear approximation | Definition | Approximations and expansions |
| Computable function | Definition | Mathematical logic and foundations |
| Laplace–Stieltjes transform | Definition | Integral transforms, operational calculus |
| Standard Borel space | Definition | Measure and integration |
| Jackson kernel | Definition | Harmonic analysis on Euclidean spaces |
| Schur polynomial | Definition | Combinatorics |
| Residually finite group | Definition | Group theory and generalizations |
| Relative homology | Definition | Algebraic topology |
| Nelson–Aalen estimator | Definition | Statistics |
| Time series | Definition | Statistics |
| Mixed finite element method | Definition | Numerical analysis |
| Ternary discriminator | Definition | General algebraic systems |
| Obstruction theory | Definition | Algebraic topology |
| de Casteljau's algorithm | Definition | Numerical analysis |
| Favard constant | Definition | Approximations and expansions |
| Hilbert sum | Definition | Functional analysis |
| c-cyclical monotonicity | Definition | Calculus of variations and optimal control; optimization |
| Hilbert space adjoint | Definition | Operator theory |
| von Neumann regular ring | Definition | Associative rings and algebras |
| Permutation pattern | Definition | Combinatorics |
| Mixing | Definition | Dynamical systems and ergodic theory |
| Coherent ring | Definition | Commutative algebra |
| Minimal surface | Definition | Differential geometry |
| Critical point theory | Definition | Global analysis, analysis on manifolds |
| Oscillation theory | Definition | Ordinary differential equations |
| Complete measure | Definition | Measure and integration |
| Conformal radius | Definition | Functions of a complex variable |
| Lawvere theory | Definition | Category theory; homological algebra |
| Moving frame | Definition | Differential geometry |
| Five-point stencil | Definition | Numerical analysis |
| Group algebra of a locally compact group | Definition | Topological groups, Lie groups |
| Measurable space | Definition | Measure and integration |
| Integral operator | Definition | Operator theory |
| Quasi-primal algebra | Definition | General algebraic systems |
| Unitary operator | Definition | Operator theory |
| Singular simplicial set | Definition | Algebraic topology |
| Oracle machine | Definition | Mathematical logic and foundations |
| Affine arithmetic | Definition | Numerical analysis |
| Doob's h-transform | Definition | Probability theory and stochastic processes |
| Shooting method | Definition | Numerical analysis |
| Generalized polygon | Definition | Geometry |
| p-Laplacian | Definition | Partial differential equations |
| Meijer G-function | Definition | Special functions |
| Hadamard matrix | Definition | Combinatorics |
| Breakdown point | Definition | Statistics |
| Pointed cone | Definition | Convex and discrete geometry |
| Transformation semigroup | Definition | Group theory and generalizations |
| Computable set | Definition | Mathematical logic and foundations |
| Dedekind–MacNeille completion | Definition | Order, lattices, ordered algebraic structures |
| Logarithmic kernel | Definition | Potential theory |
| Dual graph | Definition | Combinatorics |
| Absolute Galois group | Definition | Field theory and polynomials |
| Stiffness matrix | Definition | Numerical analysis |
| Stable homotopy category | Definition | Algebraic topology |
| Local solvability | Definition | Partial differential equations |
| Majority term | Definition | General algebraic systems |
| Function field | Definition | Field theory and polynomials |
| Tangent bundle | Definition | Global analysis, analysis on manifolds |
| Subnormal subgroup | Definition | Group theory and generalizations |
| Hausdorff distance | Definition | General topology |
| Heaviside operational calculus | Definition | Integral transforms, operational calculus |
| Trace form | Definition | Field theory and polynomials |
| Regular surface | Definition | Differential geometry |
| Extremal graph theory | Definition | Combinatorics |
| Integral closure | Definition | Commutative algebra |
| Donaldson theory | Definition | Manifolds and cell complexes |
| Diffeology | Definition | Global analysis, analysis on manifolds |
| Kan extension | Definition | Category theory; homological algebra |
| Direct collocation | Definition | Calculus of variations and optimal control; optimization |
| Pfaffian system | Definition | Global analysis, analysis on manifolds |
| Spherical harmonics | Definition | Special functions |
| Topos | Definition | Category theory; homological algebra |
| Left ideal | Definition | Associative rings and algebras |
| Initial value problem for a recurrence | Definition | Difference and functional equations |
| Presheaf | Definition | Category theory; homological algebra |
| Countably compact space | Definition | General topology |
| Quasilinear PDE | Definition | Partial differential equations |
| Atomistic lattice | Definition | Order, lattices, ordered algebraic structures |
| Optimal control of partial differential equations | Definition | Calculus of variations and optimal control; optimization |
| Dirichlet-to-Neumann operator | Definition | Partial differential equations |
| Dirichlet form | Definition | Potential theory |
| Universal covering group | Definition | Topological groups, Lie groups |
| Perfectly normal space | Definition | General topology |
| Affine connection | Definition | Differential geometry |
| C-infinity ring | Definition | Global analysis, analysis on manifolds |
| Minimum description length | Definition | Statistics |
| Surface of general type | Definition | Algebraic geometry |
| Degree of a continuous map | Definition | Algebraic topology |
| CAT(0) group | Definition | Group theory and generalizations |
| Pixley term | Definition | General algebraic systems |
| Hyperbolic knot | Definition | Manifolds and cell complexes |
| Priestley space | Definition | Order, lattices, ordered algebraic structures |
| Minimal variety | Definition | General algebraic systems |
| Newton series | Definition | Difference and functional equations |
| Schubert variety | Definition | Algebraic geometry |
| Unitary representation | Definition | Topological groups, Lie groups |
| Hermite interpolation | Definition | Approximations and expansions |
| Coordinate ring | Definition | Algebraic geometry |
| Hall subgroup | Definition | Group theory and generalizations |
| Dowker space | Definition | General topology |
| Chern–Simons theory | Definition | Manifolds and cell complexes |
| Ternary operation | Definition | General algebraic systems |
| Del Pezzo surface | Definition | Algebraic geometry |
| Complexification of a Lie group | Definition | Topological groups, Lie groups |
| Admissible representation | Definition | Topological groups, Lie groups |
| Heat potential | Definition | Partial differential equations |
| Recurrent point | Definition | Dynamical systems and ergodic theory |
| Subdivision surface | Definition | Numerical analysis |
| Toric variety | Definition | Algebraic geometry |
| Regular function | Definition | Algebraic geometry |
| Higher-order differences | Definition | Difference and functional equations |
| Berezin integral | Definition | Global analysis, analysis on manifolds |
| Hyperbolic group | Definition | Group theory and generalizations |
| Noncentral chi-squared distribution | Definition | Statistics |
| Blowing up | Definition | Algebraic geometry |
| Differential equations in Banach spaces | Definition | Ordinary differential equations |
| Order topology | Definition | General topology |
| Schouten–Nijenhuis bracket | Definition | Global analysis, analysis on manifolds |
| Planar ternary ring | Definition | Geometry |
| Realizability | Definition | Mathematical logic and foundations |
| Infinite product measure | Definition | Measure and integration |
| Green's function of a Markov process | Definition | Probability theory and stochastic processes |
| Bessel function of the second kind | Definition | Special functions |
| Total variation of a measure | Definition | Measure and integration |
| Littlewood's three principles | Definition | Measure and integration |
| Projective tensor product | Definition | Functional analysis |
| Ramification | Definition | Number theory |
| Immersed boundary method | Definition | Numerical analysis |
| Heat kernel on a Riemannian manifold | Definition | Global analysis, analysis on manifolds |
| Fourier monomial on the circle | Definition | Harmonic analysis on Euclidean spaces |
| Injectivity radius | Definition | Differential geometry |
| Homotopy principle | Definition | Global analysis, analysis on manifolds |
| Logarithmically convex function | Definition | Real functions |
| Standard part function | Definition | Real functions |
| Periodic solutions of integral equations | Definition | Integral equations |
| Nontangential limit | Definition | Potential theory |
| Degree of a central simple algebra | Definition | Associative rings and algebras |
| Modality of a singularity | Definition | Global analysis, analysis on manifolds |