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 3451–3600 of 3614.
| Name | Kind | Subject |
|---|---|---|
| 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 |
| Dirichlet eigenvalue | Definition | Partial differential equations |
| Lattice of subvarieties | Definition | General algebraic systems |
| Thurston norm | Definition | Manifolds and cell complexes |
| Kadomtsev–Petviashvili equation | Definition | Partial differential equations |
| Order filter | Definition | Order, lattices, ordered algebraic structures |
| Buchberger's algorithm | Definition | Commutative algebra |
| Evolute | Definition | Differential geometry |
| Homology with coefficients | Definition | Algebraic topology |
| Dini derivative | Definition | Real functions |
| von Neumann bounded set | Definition | Functional analysis |
| 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 |
| Heat kernel | Definition | Partial differential equations |
| Reflexive operator algebra | Definition | Operator theory |
| Semilocal ring | Definition | Associative rings and algebras |
| Symmetric decreasing rearrangement | Definition | Real functions |
| Ramification group | Definition | Number theory |
| Ruled surface | Definition | Algebraic geometry |
| Kauffman bracket | Definition | Manifolds and cell complexes |
| Oscillation of a function | Definition | Real functions |
| Site | Definition | Category theory; homological algebra |
| 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 |
| 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 |
| 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 |
| 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 |
| Duality in category theory | Definition | Category theory; homological algebra |
| 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 |
| 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 |
| 3-manifold | Definition | Manifolds and cell complexes |
| Current | Definition | Calculus of variations and optimal control; optimization |
| Locally compact abelian group | Definition | Topological groups, Lie groups |
| Triebel–Lizorkin space | Definition | Functional analysis |
| Monomial ideal | Definition | Commutative algebra |
| Solvable by radicals | Definition | Field theory and polynomials |
| Successor order | Definition | Order, lattices, ordered algebraic structures |
| Curve-shortening flow | Definition | Differential geometry |
| Tensor decomposition | Definition | Linear and multilinear algebra; matrix theory |
| Essentially self-adjoint operator | Definition | Operator theory |
| Monogenic function | Definition | Functions of a complex variable |
| Martin's axiom | Definition | Mathematical logic and foundations |
| Christoffel symbols | Definition | Differential geometry |
| Congruence lattice | Definition | General algebraic systems |
| Topological manifold | Definition | Manifolds and cell complexes |
| Flag variety | Definition | Algebraic geometry |
| Symbol class | Definition | Partial differential equations |
| Singular perturbation | Definition | Ordinary differential equations |
| Well-founded order | Definition | Order, lattices, ordered algebraic structures |
| Allen–Cahn equation | Definition | Partial differential equations |
| Quadratic variation | Definition | Probability theory and stochastic processes |
| Normal form | Definition | Ordinary differential equations |
| Universal bundle | Definition | Algebraic topology |
| Beth number | Definition | Mathematical logic and foundations |
| Regular cardinal | Definition | Mathematical logic and foundations |
| Varifold | Definition | Calculus of variations and optimal control; optimization |
| Immersion | Definition | Manifolds and cell complexes |
| Birational map | Definition | Algebraic geometry |
| Continuous lattice | Definition | Order, lattices, ordered algebraic structures |
| Colombeau algebra | Definition | Functional analysis |
| Support of a measure | Definition | Measure and integration |
| Many-sorted algebra | Definition | General algebraic systems |
| Irreducible matrix | Definition | Linear and multilinear algebra; matrix theory |
| Dirac operator | Definition | Global analysis, analysis on manifolds |
| Fundamental groupoid | Definition | Algebraic topology |
| Kirby calculus | Definition | Manifolds and cell complexes |
| Lyapunov equation | Definition | Linear and multilinear algebra; matrix theory |
| Functor category | Definition | Category theory; homological algebra |
| Quasi-isometry | Definition | Group theory and generalizations |
| Faber polynomials | Definition | Functions of a complex variable |
| Orlicz space | Definition | Functional analysis |
| Parallelizable manifold | Definition | Manifolds and cell complexes |
| Paracompact space | Definition | General topology |
| Green's function | Definition | Ordinary differential equations |
| Smooth morphism of rings | Definition | Commutative algebra |
| C0-semigroup | Definition | Operator theory |
| Sheaf of differentials | Definition | Algebraic geometry |
| Chevalley group | Definition | Group theory and generalizations |
| Radical of an ideal | Definition | Commutative algebra |
| Irreducible component | Definition | Algebraic geometry |
| Drazin inverse | Definition | Linear and multilinear algebra; matrix theory |
| Feller process | Definition | Probability theory and stochastic processes |
| Dialectica interpretation | Definition | Mathematical logic and foundations |
| Ricci flow | Definition | Differential geometry |
| Horn clause | Definition | Mathematical logic and foundations |
| Lie derivative | Definition | Differential geometry |
| Pushforward measure | Definition | Measure and integration |
| Input-to-state stability | Definition | Systems theory; control |
| Definable set | Definition | Mathematical logic and foundations |
| Artinian ring | Definition | Commutative algebra |
| Partially well-ordered set | Definition | Order, lattices, ordered algebraic structures |
| Open immersion | Definition | Algebraic geometry |
| Numerical linear algebra | Definition | Numerical analysis |
| Quiver | Definition | Associative rings and algebras |
| Essential supremum | Definition | Measure and integration |