Definitions
One definition of a concept.
- Concepts 4454
- Definitions 4288
- Statements 2528
- Conjectures 69
- Problems 106
- Examples 346
- Counterexamples 63
- Objects 119
- Proofs 10
- Computations 1
- Topics 1
Ideas 4051–4200 of 4288.
| Name | Kind | Subject |
|---|---|---|
| Day convolution | Definition | Category theory; homological algebra |
| Almost periodic function | Definition | Abstract harmonic analysis |
| Conservation law | Definition | Partial differential equations |
| Skeleton of a category | Definition | Category theory; homological algebra |
| Fermat point | Definition | Geometry |
| Morphism | Definition | Category theory; homological algebra |
| Tight closure | Definition | Commutative algebra |
| Primitive recursive function | Definition | Mathematical logic and foundations |
| Hardy space | Definition | Functions of a complex variable |
| Confluent hypergeometric function | Definition | Special functions |
| Involution | Definition | General algebraic systems |
| Toric ideal | Definition | Commutative algebra |
| Invertible operator | Definition | Operator theory |
| Percolation threshold | Definition | Probability theory and stochastic processes |
| Robin boundary condition | Definition | Ordinary differential equations |
| Vlasov equation | Definition | Partial differential equations |
| Priority method | Definition | Mathematical logic and foundations |
| Group ring | Definition | Associative rings and algebras |
| Full subcategory | Definition | Category theory; homological algebra |
| Covering space | Definition | Manifolds and cell complexes |
| Finitely presented algebra | Definition | Commutative algebra |
| Curvature form | Definition | Differential geometry |
| Henstock–Kurzweil integral | Definition | Real functions |
| Fox H-function | Definition | Special functions |
| Kolmogorov–Sinai entropy | Definition | Dynamical systems and ergodic theory |
| Multialgebra | Definition | General algebraic systems |
| Non-atomic measure | Definition | Measure and integration |
| Eigenvalue perturbation | Definition | Linear and multilinear algebra; matrix theory |
| Associative quotient of a magma | Definition | Group theory and generalizations |
| Mal'cev term | Definition | General algebraic systems |
| Semi-continuity | Definition | Real functions |
| Completion of a topological group | Definition | Topological groups, Lie groups |
| Structure | Definition | Mathematical logic and foundations |
| Divisor class group | Definition | Commutative algebra |
| Numerical range | Definition | Operator theory |
| Universal coalgebra | Definition | General algebraic systems |
| de Branges space | Definition | Functional analysis |
| Canonical height | Definition | Dynamical systems and ergodic theory |
| Hypergeometric differential equation | Definition | Special functions |
| Brauer–Manin obstruction | Definition | Algebraic geometry |
| Prime knot | Definition | Manifolds and cell complexes |
| Infinite compositions of functions | Definition | Sequences, series, summability |
| Second-order arithmetic | Definition | Mathematical logic and foundations |
| Hodge structure | Definition | Algebraic geometry |
| Continuous and residual spectrum | Definition | Operator theory |
| Germ | Definition | General topology |
| Stochastic differential equation | Definition | Probability theory and stochastic processes |
| Affine variety | Definition | Algebraic geometry |
| Permutation test | Definition | Statistics |
| Dirichlet eigenvalue | Definition | Partial differential equations |
| Lattice of subvarieties | Definition | General algebraic systems |
| Hellinger distance | Definition | Statistics |
| Fisher's exact test | Definition | Statistics |
| Thurston norm | Definition | Manifolds and cell complexes |
| Kadomtsev–Petviashvili equation | Definition | Partial differential equations |
| Order filter | Definition | Order, lattices, ordered algebraic structures |
| q-gamma function | Definition | Special functions |
| Buchberger's algorithm | Definition | Commutative algebra |
| Evolute | Definition | Differential geometry |
| Homology with coefficients | Definition | Algebraic topology |
| Dini derivative | Definition | Real functions |
| Barnes G-function | Definition | Special functions |
| Brjuno number | Definition | Dynamical systems and ergodic theory |
| Random dynamical system | Definition | Dynamical systems and ergodic theory |
| von Neumann bounded set | Definition | Functional analysis |
| Schläfli symbol | Definition | Geometry |
| Generalized cohomology theory | Definition | Algebraic topology |
| Order of a PDE | Definition | Partial differential equations |
| Malcev completion | Definition | Topological groups, Lie groups |
| Dissipative operator | Definition | Operator theory |
| Choquet capacity | Definition | Measure and integration |
| Projective object | Definition | Category theory; homological algebra |
| Reciprocal gamma function | Definition | Special functions |
| Heat kernel | Definition | Partial differential equations |
| Bonferroni correction | Definition | Statistics |
| Reflexive operator algebra | Definition | Operator theory |
| Synthetic geometry | Definition | Geometry |
| Semilocal ring | Definition | Associative rings and algebras |
| Hilbert's axioms | Definition | Geometry |
| Symmetric decreasing rearrangement | Definition | Real functions |
| Ramification group | Definition | Number theory |
| Ruled surface | Definition | Algebraic geometry |
| Ambiguity function | Definition | Information and communication theory, circuits |
| Kauffman bracket | Definition | Manifolds and cell complexes |
| Local asymptotic normality | Definition | Statistics |
| Oscillation of a function | Definition | Real functions |
| Site | Definition | Category theory; homological algebra |
| Frequentist inference | Definition | Statistics |
| Incidence matrix | Definition | Combinatorics |
| Gumm terms | Definition | General algebraic systems |
| Subfactor | Definition | Functional analysis |
| Hurwitz zeta function | Definition | Number theory |
| Finitely presented module | Definition | Commutative algebra |
| Commutant | Definition | Functional analysis |
| Bessel polynomials | Definition | Special functions |
| Observability | Definition | Systems theory; control |
| Diagonally dominant matrix | Definition | Linear and multilinear algebra; matrix theory |
| Controllability | Definition | Systems theory; control |
| Functional differential equation | Definition | Ordinary differential equations |
| Koszul algebra | Definition | Associative rings and algebras |
| Order of an entire function | Definition | Functions of a complex variable |
| Convex body | Definition | Convex and discrete geometry |
| Lambert summation | Definition | Sequences, series, summability |
| Fuchsian equation | Definition | Ordinary differential equations |
| Compact quantum group | Definition | Functional analysis |
| Product order | Definition | Order, lattices, ordered algebraic structures |
| Classifying topos | Definition | Category theory; homological algebra |
| Valuation ring | Definition | Commutative algebra |
| Jacobi field | Definition | Differential geometry |
| Deformation retract | Definition | General topology |
| Isomorphism | Definition | General algebraic systems |
| Oriented matroid | Definition | Convex and discrete geometry |
| Uniform space | Definition | General topology |
| Koszul duality | Definition | Associative rings and algebras |
| Loewner differential equation | Definition | Functions of a complex variable |
| Gelfand–Kirillov dimension | Definition | Associative rings and algebras |
| Kirby–Siebenmann class | Definition | Manifolds and cell complexes |
| Manifold with boundary | Definition | Manifolds and cell complexes |
| Symmetric algebra | Definition | Linear and multilinear algebra; matrix theory |
| Calabi–Yau manifold | Definition | Algebraic geometry |
| Arity | Definition | General algebraic systems |
| Slice category | Definition | Category theory; homological algebra |
| Semicontinuity | Definition | General topology |
| Chern–Simons form | Definition | Differential geometry |
| Line segment | Definition | Convex and discrete geometry |
| Duality in category theory | Definition | Category theory; homological algebra |
| Racah polynomials | Definition | Special functions |
| Abel summation | Definition | Sequences, series, summability |
| Frobenius group | Definition | Group theory and generalizations |
| Maximal torus | Definition | Topological groups, Lie groups |
| Horner's method | Definition | Computer science |
| Hadamard product | Definition | Linear and multilinear algebra; matrix theory |
| Osculating circle | Definition | Differential geometry |
| Lattice in a Lie group | Definition | Topological groups, Lie groups |
| Spectrum | Definition | Algebraic topology |
| Plane curve | Definition | Algebraic geometry |
| Inverse tangent integral | Definition | Special functions |
| Henselian field | Definition | Field theory and polynomials |
| Pushout | Definition | Category theory; homological algebra |
| Exact category in the sense of Barr | Definition | Category theory; homological algebra |
| Lattice (group) | Definition | Number theory |
| Summation of families over arbitrary index sets | Definition | Sequences, series, summability |
| Condensed set | Definition | Category theory; homological algebra |
| Character of a representation | Definition | Group theory and generalizations |
| Abstract Wiener space | Definition | Measure and integration |
| Primitive ideal | Definition | Associative rings and algebras |
| Relatively complemented lattice | Definition | Order, lattices, ordered algebraic structures |
| Chudnovsky algorithm | Definition | Number theory |
| 3-manifold | Definition | Manifolds and cell complexes |
| Complete elliptic integral of the first kind | Definition | Special functions |