Concepts
A mathematical idea. It can have more than one definition.
- Concepts 7386
- Definitions 7188
- Statements 3950
- Conjectures 117
- Problems 256
- Examples 672
- Counterexamples 88
- Objects 168
- Proofs 11
- Computations 1
- Topics 1
Ideas 6751–6900 of 7386.
| Name | Kind | Subject |
|---|---|---|
| Jackknife | Concept | Statistics |
| Arnold tongue | Concept | Dynamical systems and ergodic theory |
| Metacompact space | Concept | General topology |
| Funk transform | Concept | Integral transforms, operational calculus |
| Tight and overtwisted contact structures | Concept | Manifolds and cell complexes |
| Instant centre of rotation | Concept | Mechanics of particles and systems |
| Bogoliubov transformation | Concept | Quantum theory |
| Finitely generated algebra | Concept | General algebraic systems |
| Abstract polytope | Concept | Convex and discrete geometry |
| Triangle center | Concept | Geometry |
| Quasivariety | Concept | General algebraic systems |
| Discrete harmonic function | Concept | Potential theory |
| Electromagnetic tensor | Concept | Optics, electromagnetic theory |
| Solution of recurrences by generating functions | Concept | Difference and functional equations |
| Propagation of uncertainty | Concept | Numerical analysis |
| Mean-field game | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Matrix population model | Concept | Biology and other natural sciences |
| Costate equation | Concept | Calculus of variations and optimal control; optimization |
| Dimension group | Concept | K-theory |
| Eddington luminosity | Concept | Astronomy and astrophysics |
| Classifying space | Concept | Algebraic topology |
| Euler transform | Concept | Sequences, series, summability |
| Estimating equations | Concept | Statistics |
| Regularization of ill-posed problems | Concept | Numerical analysis |
| Bayesian search theory | Concept | Operations research, mathematical programming |
| Forgetful functor | Concept | Category theory; homological algebra |
| Commutative diagram | Concept | Category theory; homological algebra |
| Lelong number | Concept | Several complex variables and analytic spaces |
| Inertia tensor and principal axes | Concept | Mechanics of particles and systems |
| Chemical potential | Concept | Classical thermodynamics, heat transfer |
| Cosmological constant | Concept | Relativity and gravitational theory |
| Small oscillations about equilibrium | Concept | Mechanics of particles and systems |
| Orbital perturbation | Concept | Mechanics of particles and systems |
| Jack function | Concept | Combinatorics |
| Simplicial set | Concept | Category theory; homological algebra |
| Polhode | Concept | Mechanics of particles and systems |
| Hilbert class field | Concept | Number theory |
| Square-integrable kernel | Concept | Integral equations |
| Closed immersion | Concept | Algebraic geometry |
| Metapopulation model of Levins | Concept | Biology and other natural sciences |
| 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 |
| Isobaric process | Concept | Classical thermodynamics, heat transfer |
| Formally real Jordan algebra | Concept | Nonassociative rings and algebras |
| Group representation | Concept | Group theory and generalizations |
| Magnetic scalar potential | Concept | Optics, electromagnetic theory |
| Minkowski–Bouligand dimension | Concept | Measure and integration |
| Urysohn integral equation | Concept | Integral equations |
| Cauchy filter | Concept | General topology |
| Shapley–Shubik power index | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Condorcet method | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Adaptive mesh refinement | Concept | Numerical analysis |
| Continuum mechanics | Concept | Mechanics of deformable solids |
| Resolvent set | Concept | Operator theory |
| Coulomb gas method | Concept | Statistical mechanics, structure of matter |
| Convex integrand | Concept | Calculus of variations and optimal control; optimization |
| Schur stable polynomial | Concept | Difference and functional equations |
| Infinitesimal strain theory | Concept | Mechanics of deformable solids |
| Computability theory | Concept | Mathematical logic and foundations |
| Mueller calculus | Concept | Optics, electromagnetic theory |
| Kolmogorov–Sinai entropy | Concept | Dynamical systems and ergodic theory |
| Large cardinal | Concept | Mathematical logic and foundations |
| Nucleus | Concept | Nonassociative rings and algebras |
| Biharmonic plate equation | Concept | Mechanics of deformable solids |
| Elliptic-curve cryptography | Concept | Information and communication theory, circuits |
| Fair division | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Carrying capacity | Concept | Biology and other natural sciences |
| Horn hypergeometric series | Concept | Special functions |
| Bisimulation | Concept | Computer science |
| Stable ∞-category | Concept | Category theory; homological algebra |
| Separated morphism | Concept | Algebraic geometry |
| Rayleigh wave | Concept | Mechanics of deformable solids |
| Formally real field | Concept | Field theory and polynomials |
| Killing Lie algebra | Concept | Nonassociative rings and algebras |
| Gelfand–Levitan–Marchenko equation | Concept | Ordinary differential equations |
| Constraint | Concept | Operations research, mathematical programming |
| Generalized Kac–Moody algebra | Concept | Nonassociative rings and algebras |
| Statistical mechanics | Concept | Statistical mechanics, structure of matter |
| Lie symmetry method | Concept | Ordinary differential equations |
| Center manifold | Concept | Ordinary differential equations |
| Parameterized complexity | Concept | Computer science |
| Quadratic variation | Concept | Probability theory and stochastic processes |
| Superharmonic function | Concept | Potential theory |
| Lelong class | Concept | Several complex variables and analytic spaces |
| Rees matrix semigroup | Concept | Group theory and generalizations |
| van der Waals equation | Concept | Classical thermodynamics, heat transfer |
| Reduced mass | Concept | Mechanics of particles and systems |
| Nörlund mean | Concept | Sequences, series, summability |
| Cut locus | Concept | Differential geometry |
| Kähler manifold | Concept | Several complex variables and analytic spaces |
| Topological insulator | Concept | Statistical mechanics, structure of matter |
| Finite ring | Concept | Associative rings and algebras |
| Localization at a prime ideal | Concept | Commutative algebra |
| Rough path | Concept | Probability theory and stochastic processes |
| Envelope of holomorphy | Concept | Several complex variables and analytic spaces |
| Rack and quandle | Concept | Manifolds and cell complexes |
| Tangential Cauchy–Riemann equations | Concept | Several complex variables and analytic spaces |
| Integrable function | Concept | Measure and integration |
| Finite difference method | Concept | Numerical analysis |
| Waldhausen category | Concept | Category theory; homological algebra |
| Chern–Simons form | Concept | Differential geometry |
| Stress deviator tensor | Concept | Mechanics of deformable solids |
| Separable algebra | Concept | Associative rings and algebras |
| Column generation | Concept | Operations research, mathematical programming |
| Residually finite algebra | Concept | General algebraic systems |
| Hardness of approximation | Concept | Computer science |
| 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 |
| Insertion sort | Concept | Computer science |
| Uniform approximation | Concept | Approximations and expansions |
| Commutative magma | Concept | Group theory and generalizations |
| Lagrange multipliers for constraints | Concept | Mechanics of particles and systems |
| Effective resistance | Concept | Potential theory |
| Metamaterial cloaking | Concept | Optics, electromagnetic theory |
| Khovanov homology | Concept | Manifolds and cell complexes |
| Pseudo-spectral method | Concept | Numerical analysis |
| CAT(0) group | Concept | Group theory and generalizations |
| Euler–Poisson equation for higher derivatives | Concept | Calculus of variations and optimal control; optimization |
| Incomplete LU factorization | Concept | Numerical analysis |
| Thermal conductivity | Concept | Classical thermodynamics, heat transfer |
| Receiver function | Concept | Geophysics |
| Index map | Concept | Functional analysis |
| 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 |
| Watterson estimator | Concept | Statistics |
| Work hardening | Concept | Mechanics of deformable solids |
| Simple Lie algebra | Concept | Nonassociative rings and algebras |
| Brauer–Manin obstruction | Concept | Algebraic geometry |
| Fox–Wright function | Concept | Special functions |
| Robin boundary condition for convective cooling | Concept | Classical thermodynamics, heat transfer |
| Criss-cross algorithm | Concept | Operations research, mathematical programming |
| Asymptotic scale | Concept | Approximations and expansions |
| Adjoint integral equation | Concept | Integral equations |
| Plus construction | Concept | K-theory |
| Kontorovich–Lebedev transform | Concept | Integral transforms, operational calculus |
| Continuous q-Hermite polynomials | Concept | Special functions |
| Naive set theory | Concept | Mathematical logic and foundations |
| Regular semigroup | Concept | Group theory and generalizations |