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 2701–2850 of 5206.
| Name | Kind | Subject |
|---|---|---|
| Definable set | Concept | Mathematical logic and foundations |
| Clean ring | Concept | Associative rings and algebras |
| Pointless topology | Concept | Order, lattices, ordered algebraic structures |
| Newton polytope | Concept | Algebraic geometry |
| Berezin integral | Concept | Global analysis, analysis on manifolds |
| Bessel function of the first kind | Concept | Special functions |
| Conditionally complete lattice | Concept | Order, lattices, ordered algebraic structures |
| Length of a module | Concept | Commutative algebra |
| Relative CW complex | Concept | Manifolds and cell complexes |
| Set-valued analysis | Concept | Calculus of variations and optimal control; optimization |
| Fresnel integrals | Concept | Special functions |
| Localization of a space | Concept | Algebraic topology |
| Girth | Concept | Combinatorics |
| 6-j symbol | Concept | Special functions |
| Hilbert's invariant integral | Concept | Calculus of variations and optimal control; optimization |
| Littlewood–Paley decomposition | Concept | Harmonic analysis on Euclidean spaces |
| Noncommutative ring | Concept | Associative rings and algebras |
| Nuclear C*-algebra | Concept | Functional analysis |
| Semiring | Concept | Associative rings and algebras |
| Opposite structure | Concept | General algebraic systems |
| Whitehead tower | Concept | Algebraic topology |
| Path space fibration | Concept | Algebraic topology |
| Similarity transformation | Concept | Geometry |
| Complex multiplication | Concept | Number theory |
| Homotopy extension property | Concept | Algebraic topology |
| Frölicher–Nijenhuis bracket | Concept | Global analysis, analysis on manifolds |
| Geometric Brownian motion | Concept | Probability theory and stochastic processes |
| Structural stability | Concept | Ordinary differential equations |
| Riccati difference equation | Concept | Difference and functional equations |
| Spline interpolation | Concept | Approximations and expansions |
| Oscillatory integral | Concept | Harmonic analysis on Euclidean spaces |
| Holomorphically convex domain | Concept | Several complex variables and analytic spaces |
| k-means clustering | Concept | Statistics |
| Horn | Concept | Algebraic topology |
| Equilibrium of a difference equation | Concept | Difference and functional equations |
| Cyclic algebra | Concept | Associative rings and algebras |
| Polynomial long division | Concept | Commutative algebra |
| Abelian and Tauberian theorems | Concept | Sequences, series, summability |
| Complete lattice | Concept | Order, lattices, ordered algebraic structures |
| Countable additivity | Concept | Measure and integration |
| Fusion category | Concept | Category theory; homological algebra |
| Transcendence degree | Concept | Field theory and polynomials |
| Topological field | Concept | Field theory and polynomials |
| Projective connection | Concept | Differential geometry |
| Singular point of an algebraic variety | Concept | Algebraic geometry |
| Subcategory | Concept | Category theory; homological algebra |
| Positive solutions of integral equations | Concept | Integral equations |
| Heteroscedasticity | Concept | Statistics |
| Axiom schema of replacement | Concept | Mathematical logic and foundations |
| Stone–Čech compactification | Concept | General topology |
| Directed set | Concept | Order, lattices, ordered algebraic structures |
| Bifurcation theory | Concept | Dynamical systems and ergodic theory |
| Cluster analysis | Concept | Statistics |
| Kleisli category | Concept | Category theory; homological algebra |
| Lagrange basis polynomials | Concept | Approximations and expansions |
| Quantale | Concept | Order, lattices, ordered algebraic structures |
| Opposite category | Concept | Category theory; homological algebra |
| Projective plane | Concept | Geometry |
| Topological quantum field theory | Concept | Manifolds and cell complexes |
| Tridiagonal matrix | Concept | Linear and multilinear algebra; matrix theory |
| Subdirectly irreducible algebra | Concept | General algebraic systems |
| Solving linear difference equations by the Z-transform | Concept | Difference and functional equations |
| Least fixed point | Concept | Order, lattices, ordered algebraic structures |
| Chaos theory | Concept | Dynamical systems and ergodic theory |
| Logarithmic capacity | Concept | Potential theory |
| Graph of groups | Concept | Group theory and generalizations |
| Second-order arithmetic | Concept | Mathematical logic and foundations |
| Characteristic value of a kernel | Concept | Integral equations |
| (p,q)-form | Concept | Several complex variables and analytic spaces |
| Fejér kernel | Concept | Harmonic analysis on Euclidean spaces |
| f-vector and h-vector | Concept | Combinatorics |
| Newtonian potential | Concept | Potential theory |
| Duality in projective geometry | Concept | Geometry |
| Congruence relation | Concept | General algebraic systems |
| Weyl's unitary trick | Concept | Topological groups, Lie groups |
| Tor functor | Concept | Commutative algebra |
| Inverse limit of algebras | Concept | General algebraic systems |
| Möbius plane | Concept | Geometry |
| Complete statistic | Concept | Statistics |
| Nevanlinna theory in several variables | Concept | Several complex variables and analytic spaces |
| Fredholm equation of the second kind | Concept | Integral equations |
| Morin singularities | Concept | Manifolds and cell complexes |
| Integral of a non-negative function | Concept | Measure and integration |
| Gibbs measure | Concept | Dynamical systems and ergodic theory |
| Porous medium equation | Concept | Partial differential equations |
| Disk algebra | Concept | Functional analysis |
| Term evaluation | Concept | General algebraic systems |
| Subnormal number | Concept | Numerical analysis |
| Polydisc | Concept | Several complex variables and analytic spaces |
| McKenzie–Hobby tame congruence theory | Concept | General algebraic systems |
| Spearman's rank correlation coefficient | Concept | Statistics |
| Discrete differential geometry | Concept | Differential geometry |
| Absolute neighborhood retract | Concept | General topology |
| Nilpotent operator | Concept | Operator theory |
| Nilpotent Lie group | Concept | Topological groups, Lie groups |
| Sentence | Concept | Mathematical logic and foundations |
| Dedekind–MacNeille completion | Concept | Order, lattices, ordered algebraic structures |
| Cahn–Hilliard equation | Concept | Partial differential equations |
| Clifford analysis | Concept | Functions of a complex variable |
| Chebyshev constant | Concept | Potential theory |
| Random dynamical system | Concept | Dynamical systems and ergodic theory |
| Linear algebra method | Concept | Combinatorics |
| Pontryagin class | Concept | Manifolds and cell complexes |
| Median algebra | Concept | Order, lattices, ordered algebraic structures |
| Volterra integral equation | Concept | Integral equations |
| Point process | Concept | Probability theory and stochastic processes |
| Localization of a category | Concept | Category theory; homological algebra |
| M-matrix | Concept | Linear and multilinear algebra; matrix theory |
| Monadic functor | Concept | Category theory; homological algebra |
| Embedding dimension | Concept | Commutative algebra |
| Rotation number | Concept | Dynamical systems and ergodic theory |
| Commutative algebra over a ring | Concept | Commutative algebra |
| Facet | Concept | Convex and discrete geometry |
| Relaxation of a variational problem | Concept | Calculus of variations and optimal control; optimization |
| Fourier transform | Concept | Harmonic analysis on Euclidean spaces |
| Wald test | Concept | Statistics |
| Clopen set | Concept | General topology |
| Shape operator | Concept | Differential geometry |
| Contiguity of measures | Concept | Statistics |
| Complexification of a Lie group | Concept | Topological groups, Lie groups |
| Near-field | Concept | Field theory and polynomials |
| Coherent analytic sheaf | Concept | Several complex variables and analytic spaces |
| Automorphism | Concept | General algebraic systems |
| Admissible decision rule | Concept | Statistics |
| Stationary process | Concept | Probability theory and stochastic processes |
| Essentially self-adjoint operator | Concept | Operator theory |
| O-minimal theory | Concept | Mathematical logic and foundations |
| Curve-shortening flow | Concept | Differential geometry |
| Morrey quasiconvexity | Concept | Calculus of variations and optimal control; optimization |
| Bessel potential space | Concept | Functional analysis |
| Coequalizer | Concept | Category theory; homological algebra |
| Loeb measure | Concept | Measure and integration |
| Validated numerics | Concept | Numerical analysis |
| Lebesgue integral | Concept | Measure and integration |
| Poisson's equation | Concept | Partial differential equations |
| Harmonic space | Concept | Potential theory |
| Many-valued logic | Concept | Mathematical logic and foundations |
| Section and retraction | Concept | Category theory; homological algebra |
| Expander graph | Concept | Combinatorics |
| von Neumann regular ring | Concept | Associative rings and algebras |
| Hypergeometric function of a matrix argument | Concept | Special functions |
| Kobayashi metric | Concept | Several complex variables and analytic spaces |
| Kendall rank correlation coefficient | Concept | Statistics |
| Borel measure | Concept | Measure and integration |
| Locally finite family | Concept | General topology |
| Integral equation of the third kind | Concept | Integral equations |
| Inverse limit | Concept | Category theory; homological algebra |
| Elementary abelian group | Concept | Group theory and generalizations |
| Picard group of a ring | Concept | Commutative algebra |
| Discriminant of a number field | Concept | Number theory |