Concepts
A mathematical idea. It can have more than one definition.
- Concepts 7386
- Definitions 7188
- Statements 3987
- Conjectures 117
- Problems 256
- Examples 672
- Counterexamples 88
- Objects 168
- Proofs 70
- Computations 1
- Topics 1
Ideas 7051–7200 of 7386.
| Name | Kind | Subject |
|---|---|---|
| Branched covering | Concept | Manifolds and cell complexes |
| Decision problem | Concept | Computer science |
| Fractional ideal | Concept | Commutative algebra |
| Incomplete gamma function | Concept | Special functions |
| Schottky group | Concept | Functions of a complex variable |
| Lorenz gauge condition | Concept | Optics, electromagnetic theory |
| Spin | Concept | Quantum theory |
| 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 |
| S-matrix | Concept | Quantum theory |
| Successive minima | Concept | Number theory |
| Error of best approximation | Concept | Approximations and expansions |
| Frequentist inference | Concept | Statistics |
| K0 of coherent sheaves | Concept | K-theory |
| Distance measures in cosmology | Concept | Relativity and gravitational theory |
| Stationary set | Concept | Mathematical logic and foundations |
| Richtmyer–Meshkov instability | Concept | Fluid mechanics |
| Banzhaf power index | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| 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 |
| Model of computation | Concept | Computer science |
| Helioseismology | Concept | Astronomy and astrophysics |
| Holomorphic functional calculus | Concept | Operator theory |
| Lifting-line theory | Concept | Fluid mechanics |
| Creep | Concept | Mechanics of deformable solids |
| (∞,1)-category | Concept | Category theory; homological algebra |
| Finite field arithmetic | Concept | Field theory and polynomials |
| Dirichlet energy | Concept | Potential theory |
| Proper time | Concept | Relativity and gravitational 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 |
| Black hole | Concept | Relativity and gravitational theory |
| 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 |
| Loop algebra | Concept | Nonassociative rings and algebras |
| Analytic combinatorics | Concept | Combinatorics |
| Ruppeiner geometry | Concept | Classical thermodynamics, heat transfer |
| Commuting elements | Concept | General algebraic systems |
| 3-j symbol | Concept | Special functions |
| Locally decodable code | Concept | Information and communication theory, circuits |
| Mirror symmetry | Concept | Algebraic geometry |
| Multitape Turing machine | Concept | Computer science |
| Developable surface | Concept | Differential geometry |
| Likelihood-ratio test | Concept | Statistics |
| Hamilton's principal function | Concept | Mechanics of particles and systems |
| Bland's rule | Concept | Operations research, mathematical programming |
| Ordinary least squares | Concept | Statistics |
| Planetary migration | Concept | Astronomy and astrophysics |
| Stably free module | Concept | K-theory |
| 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 |
| Equation of state | Concept | Classical thermodynamics, heat transfer |
| Energy cascade | Concept | Fluid mechanics |
| 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 |
| BGK collision operator | Concept | Statistical mechanics, structure of matter |
| Coherent risk measure | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Model complete theory | Concept | Mathematical logic and foundations |
| Kolmogorov automorphism | Concept | Dynamical systems and ergodic theory |
| Descriptive complexity theory | Concept | Computer science |
| Integro-differential equation | Concept | Integral equations |
| Adapted process | Concept | Probability theory and stochastic processes |
| DeGroot learning | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Elastic wave scattering | Concept | Mechanics of deformable solids |
| Gaussian binomial coefficient | Concept | Combinatorics |
| Transmission line | Concept | Optics, electromagnetic theory |
| Nonlinear approximation | Concept | Approximations and expansions |
| Curse of dimensionality | Concept | Numerical analysis |
| Axiomatic potential theory | Concept | Potential theory |
| Nome | Concept | Special functions |
| Ruin theory | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Celestial coordinate system | Concept | Astronomy and astrophysics |
| Weyl group | Concept | Nonassociative rings and algebras |
| Zeta-regularized determinant | Concept | Global analysis, analysis on manifolds |
| Nevanlinna characteristic | Concept | Functions of a complex variable |
| Isochoric process | Concept | Classical thermodynamics, heat transfer |
| Competitive equilibrium | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Crystal plasticity | Concept | Mechanics of deformable solids |
| Continuous and residual spectrum | Concept | Operator theory |
| Simplicial polytope | Concept | Convex and discrete geometry |
| Twistor theory | Concept | Several complex variables and analytic spaces |
| Topology of uniform convergence | Concept | General topology |
| Club set | Concept | Mathematical logic and foundations |
| Output controllability | Concept | Systems theory; control |
| Toric variety | Concept | Algebraic geometry |
| Instanton | Concept | Differential geometry |
| Trace form | Concept | Field theory and polynomials |
| Vickrey–Clarke–Groves mechanism | Concept | Game theory, economics, finance, and other social and behavioral sciences |
| Rate of convergence | Concept | Sequences, series, summability |
| Simplex | Concept | Geometry |
| Uniform module | Concept | Associative rings and algebras |
| Group cohomology | Concept | Group theory and generalizations |
| Method of moments in electromagnetics | Concept | Optics, electromagnetic theory |
| Projective object | Concept | Category theory; homological algebra |
| Inversion in a circle | Concept | Geometry |
| Arakelov theory | Concept | Algebraic geometry |
| Vincenty's formulae | Concept | Geophysics |
| Analysis on fractals | Concept | Potential theory |
| Fractional differential equation | Concept | Ordinary differential equations |
| BCH code | Concept | Information and communication theory, circuits |
| J-homomorphism | Concept | Algebraic topology |
| Measurable function | Concept | Measure and integration |
| Rayleigh dissipation function | Concept | Mechanics of particles and systems |
| Doodson numbers | Concept | Geophysics |
| Electric field | Concept | Optics, electromagnetic theory |
| Measure algebra | Concept | Measure and integration |
| Pochhammer symbol | Concept | Combinatorics |
| Magnetic reconnection | Concept | Fluid mechanics |
| Periodicity equation | Concept | Difference and functional equations |
| G-theory | Concept | K-theory |
| Field of formal Laurent series | Concept | Commutative algebra |
| Koszul complex | Concept | Commutative algebra |
| Kolmogorov–Smirnov test | Concept | Statistics |
| Schubert variety | Concept | Algebraic geometry |
| Phylogenetic network | Concept | Biology and other natural sciences |
| Supermanifold | Concept | Global analysis, analysis on manifolds |
| Uniserial module | Concept | Associative rings and algebras |
| Earth's magnetic field | Concept | Geophysics |
| 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 |
| Prandtl stress function | Concept | Mechanics of deformable solids |
| Trace class operator | Concept | Operator theory |