Definitions
One definition of a concept.
- Concepts 3771
- Definitions 3614
- Statements 2208
- Conjectures 58
- Problems 76
- Examples 280
- Counterexamples 55
- Objects 107
- Proofs 10
- Computations 1
- Topics 1
Ideas 3301–3450 of 3614.
| Name | Kind | Subject |
|---|---|---|
| Indecomposable module | Definition | Associative rings and algebras |
| Complex measure | Definition | Measure and integration |
| Matrix function | Definition | Linear and multilinear algebra; matrix theory |
| Fundamental domain | Definition | Topological groups, Lie groups |
| Cobordism ring | Definition | Manifolds and cell complexes |
| Natural boundary | Definition | Functions of a complex variable |
| Rate function | Definition | Probability theory and stochastic processes |
| Anderson localization | Definition | Statistical mechanics, structure of matter |
| Riemann surface | Definition | Functions of a complex variable |
| Positive cone | Definition | Functional analysis |
| Order polynomial | Definition | Order, lattices, ordered algebraic structures |
| Inner model | Definition | Mathematical logic and foundations |
| Completeness in order theory | Definition | Order, lattices, ordered algebraic structures |
| Parabolic partial differential equation | Definition | Partial differential equations |
| Morphism of varieties | Definition | Algebraic geometry |
| Local ring | Definition | Commutative algebra |
| Commuting elements | Definition | General algebraic systems |
| Double sequence | Definition | Sequences, series, summability |
| Nil ideal | Definition | Associative rings and algebras |
| Alexander polynomial | Definition | Manifolds and cell complexes |
| Unirational variety | Definition | Algebraic geometry |
| Pseudocompact space | Definition | General topology |
| Regular category | Definition | Category theory; homological algebra |
| Contact manifold | Definition | Differential geometry |
| Whitehead product | Definition | Algebraic topology |
| Null-homotopic map | Definition | Algebraic topology |
| Maximal order | Definition | Associative rings and algebras |
| Bridge number | Definition | Manifolds and cell complexes |
| Linear and stable summation methods | Definition | Sequences, series, summability |
| Henselian ring | Definition | Commutative algebra |
| G-structure | Definition | Differential geometry |
| Inverse scattering transform | Definition | Dynamical systems and ergodic theory |
| Cobordism | Definition | Manifolds and cell complexes |
| Pseudovariety | Definition | General algebraic systems |
| Bézout domain | Definition | Commutative algebra |
| Schottky group | Definition | Functions of a complex variable |
| Medial magma | Definition | Group theory and generalizations |
| Kullback–Leibler divergence | Definition | Information and communication theory, circuits |
| Algebraic number field | Definition | Number theory |
| Pseudocomplement | Definition | Order, lattices, ordered algebraic structures |
| Brill–Noether theory | Definition | Algebraic geometry |
| Majorization | Definition | Real functions |
| Kernel | Definition | Category theory; homological algebra |
| Locally finite variety | Definition | General algebraic systems |
| Girth | Definition | Combinatorics |
| Fiber of a morphism | Definition | Algebraic geometry |
| Maximal chain | Definition | Order, lattices, ordered algebraic structures |
| Lie symmetry method | Definition | Ordinary differential equations |
| Cut locus | Definition | Differential geometry |
| Continuous group homomorphism | Definition | Topological groups, Lie groups |
| Maurer–Cartan form | Definition | Topological groups, Lie groups |
| Convergence along an ultrafilter | Definition | General topology |
| Error-correcting code | Definition | Information and communication theory, circuits |
| Knot Floer homology | Definition | Manifolds and cell complexes |
| Dispersive partial differential equation | Definition | Partial differential equations |
| Schreier coset graph | Definition | Group theory and generalizations |
| Analytic capacity | Definition | Functions of a complex variable |
| Complex torus | Definition | Algebraic geometry |
| Ordered vector space | Definition | Functional analysis |
| Semilinear PDE | Definition | Partial differential equations |
| Compositum of fields | Definition | Field theory and polynomials |
| Algorithmic randomness | Definition | Mathematical logic and foundations |
| Differentiable curve | Definition | Differential geometry |
| Marsden–Weinstein reduction | Definition | Differential geometry |
| Summability method | Definition | Sequences, series, summability |
| Integral element | Definition | Commutative algebra |
| Eikonal equation | Definition | Partial differential equations |
| Lattice | Definition | Order, lattices, ordered algebraic structures |
| Hecke operator | Definition | Number theory |
| Matrix Lie group | Definition | Topological groups, Lie groups |
| Inverse limit | Definition | Category theory; homological algebra |
| Schnirelmann density | Definition | Number theory |
| J-homomorphism | Definition | Algebraic topology |
| Associated graded ring | Definition | Commutative algebra |
| Prime ring | Definition | Associative rings and algebras |
| Metric outer measure | Definition | Measure and integration |
| Branch point | Definition | Functions of a complex variable |
| Square root of a positive operator | Definition | Operator theory |
| Nagata ring | Definition | Commutative algebra |
| Section of a vector bundle | Definition | Algebraic topology |
| Lebesgue–Stieltjes measure | Definition | Measure and integration |
| Square root of a matrix | Definition | Linear and multilinear algebra; matrix theory |
| F-sigma set | Definition | General topology |
| Superalgebra | Definition | Nonassociative rings and algebras |
| Colimit | Definition | Category theory; homological algebra |
| Analytic combinatorics | Definition | Combinatorics |
| Geometric realization | Definition | Algebraic topology |
| Interacting particle system | Definition | Probability theory and stochastic processes |
| Separated morphism | Definition | Algebraic geometry |
| Abelian algebra | Definition | General algebraic systems |
| Galois insertion | Definition | Order, lattices, ordered algebraic structures |
| Exchangeable random variables | Definition | Probability theory and stochastic processes |
| Quillen adjunction | Definition | Category theory; homological algebra |
| Cohomological dimension of a field | Definition | Field theory and polynomials |
| Prime end | Definition | Functions of a complex variable |
| Associated bundle | Definition | Algebraic topology |
| Substitution | Definition | Mathematical logic and foundations |
| Dehn twist | Definition | Manifolds and cell complexes |
| Unimodular group | Definition | Topological groups, Lie groups |
| Hyperbolic partial differential equation | Definition | Partial differential equations |
| Hochschild homology | Definition | Associative rings and algebras |
| Pseudo-differential operator | Definition | Partial differential equations |
| Ideal completion | Definition | Order, lattices, ordered algebraic structures |
| Descending chain condition | Definition | Order, lattices, ordered algebraic structures |
| Separable degree | Definition | Field theory and polynomials |
| Shilov boundary | Definition | Functional analysis |
| System of parameters | Definition | Commutative algebra |
| Lebesgue integral | Definition | Measure and integration |
| Disk algebra | Definition | Functional analysis |
| Schramm–Loewner evolution | Definition | Probability theory and stochastic processes |
| Étale morphism | Definition | Algebraic geometry |
| Enriched category | Definition | Category theory; homological algebra |
| Factorization of polynomials over finite fields | Definition | Number theory |
| Spectrum of an operator | Definition | Operator theory |
| Knot concordance | Definition | Manifolds and cell complexes |
| Automorphism | Definition | General algebraic systems |
| Day convolution | Definition | Category theory; homological algebra |
| Conservation law | Definition | Partial differential equations |
| Skeleton of a category | Definition | Category theory; homological algebra |
| 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 |
| 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 |
| 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 |
| Brauer–Manin obstruction | Definition | Algebraic geometry |
| Prime knot | Definition | Manifolds and cell complexes |