Definitions
One definition of a concept.
- Concepts 2778
- Definitions 2634
- Statements 1926
- Conjectures 38
- Problems 54
- Examples 213
- Counterexamples 52
- Objects 99
- Proofs 10
- Computations 1
- Topics 1
Ideas 2101–2250 of 2634.
| Name | Kind | Subject |
|---|---|---|
| Parallel transport | Definition | Differential geometry |
| Train track | Definition | Manifolds and cell complexes |
| Positive operator | Definition | Operator theory |
| Nilpotent operator | Definition | Operator theory |
| Group homology | Definition | Group theory and generalizations |
| Developable surface | Definition | Differential geometry |
| Laplace–Beltrami operator | Definition | Global analysis, analysis on manifolds |
| Natural deduction | Definition | Mathematical logic and foundations |
| Discrete spectrum | Definition | Operator theory |
| Choquet theory | Definition | Functional analysis |
| Multiplicative set | Definition | Commutative algebra |
| Levi-Civita connection | Definition | Differential geometry |
| State on a C*-algebra | Definition | Functional analysis |
| Commutative algebra over a ring | Definition | Commutative algebra |
| Residual set | Definition | General topology |
| Laguerre–Pólya class | Definition | Functions of a complex variable |
| Gateaux derivative | Definition | Functional analysis |
| Absolute summability | Definition | Sequences, series, summability |
| Contraction semigroup | Definition | Operator theory |
| Homotopy group | Definition | Algebraic topology |
| Amenable group | Definition | Abstract harmonic analysis |
| Quasicircle | Definition | Functions of a complex variable |
| Mahlo cardinal | Definition | Mathematical logic and foundations |
| Motzkin number | Definition | Combinatorics |
| Measurable function | Definition | Measure and integration |
| Sub-Gaussian distribution | Definition | Probability theory and stochastic processes |
| Quasisymmetric map | Definition | Functions of a complex variable |
| Noetherian module | Definition | Commutative algebra |
| Slice knot | Definition | Manifolds and cell complexes |
| Reproducing kernel Hilbert space | Definition | Functional analysis |
| Classical group | Definition | Group theory and generalizations |
| Binary quadratic form | Definition | Number theory |
| Separation of variables | Definition | Ordinary differential equations |
| Basic open set | Definition | Algebraic geometry |
| Beurling–Ahlfors transform | Definition | Harmonic analysis on Euclidean spaces |
| Riemannian distance | Definition | Differential geometry |
| Fractional Brownian motion | Definition | Probability theory and stochastic processes |
| Killing vector field | Definition | Differential geometry |
| Matroid | Definition | Combinatorics |
| Small cancellation theory | Definition | Group theory and generalizations |
| Signature | Definition | Mathematical logic and foundations |
| Grothendieck universe | Definition | Mathematical logic and foundations |
| Cyclic extension | Definition | Field theory and polynomials |
| Atlas | Definition | Manifolds and cell complexes |
| Countable additivity | Definition | Measure and integration |
| Uniformly convex space | Definition | Functional analysis |
| Normal function | Definition | Mathematical logic and foundations |
| Morley rank | Definition | Mathematical logic and foundations |
| Universally catenary ring | Definition | Commutative algebra |
| Hilbert space | Definition | Functional analysis |
| One-relator group | Definition | Group theory and generalizations |
| Sequent calculus | Definition | Mathematical logic and foundations |
| Lagrangian submanifold | Definition | Differential geometry |
| Semiring | Definition | Associative rings and algebras |
| Pointed space | Definition | Algebraic topology |
| Spinor bundle | Definition | Differential geometry |
| Tridiagonal matrix | Definition | Linear and multilinear algebra; matrix theory |
| Axiom of constructibility | Definition | Mathematical logic and foundations |
| Foundations of mathematics | Definition | Mathematical logic and foundations |
| Semi-local ring | Definition | Commutative algebra |
| Topology of uniform convergence | Definition | General topology |
| Dehn surgery | Definition | Manifolds and cell complexes |
| Fredholm operator | Definition | Operator theory |
| Sentence | Definition | Mathematical logic and foundations |
| Mutually singular measures | Definition | Measure and integration |
| Quantum invariant of 3-manifolds | Definition | Manifolds and cell complexes |
| Alexandrov space | Definition | Differential geometry |
| Tor functor | Definition | Commutative algebra |
| Riesz mean | Definition | Sequences, series, summability |
| Simple function | Definition | Measure and integration |
| Boundary layer | Definition | Ordinary differential equations |
| Hilbertian field | Definition | Field theory and polynomials |
| Separably generated extension | Definition | Field theory and polynomials |
| Ring of sets | Definition | Measure and integration |
| Operator theory | Definition | Operator theory |
| Ahlfors theory | Definition | Functions of a complex variable |
| Double-negation translation | Definition | Mathematical logic and foundations |
| Graph minor | Definition | Combinatorics |
| Path space fibration | Definition | Algebraic topology |
| G2 manifold | Definition | Differential geometry |
| Generic filter | Definition | Mathematical logic and foundations |
| Lagrange interpolation | Definition | Approximations and expansions |
| Picard group of a ring | Definition | Commutative algebra |
| Steiner system | Definition | Combinatorics |
| Spectrum of a ring | Definition | Algebraic geometry |
| Cardinal function | Definition | General topology |
| Finite type algebra | Definition | Commutative algebra |
| Symplectomorphism | Definition | Differential geometry |
| Triangulation | Definition | Manifolds and cell complexes |
| Condition number | Definition | Linear and multilinear algebra; matrix theory |
| Gaussian process | Definition | Probability theory and stochastic processes |
| Lyapunov exponent | Definition | Ordinary differential equations |
| Fractional differential equation | Definition | Ordinary differential equations |
| Haken manifold | Definition | Manifolds and cell complexes |
| Packing measure | Definition | Measure and integration |
| Join | Definition | General topology |
| Seifert surface | Definition | Manifolds and cell complexes |
| Categorical theory | Definition | Mathematical logic and foundations |
| MV-algebra | Definition | Order, lattices, ordered algebraic structures |
| Galois representation | Definition | Number theory |
| Normal family | Definition | Functions of a complex variable |
| Spin structure | Definition | Differential geometry |
| Wynn's epsilon algorithm | Definition | Numerical analysis |
| Derivation | Definition | Commutative algebra |
| Simplicial homology | Definition | Algebraic topology |
| Dedekind zeta function | Definition | Number theory |
| Hurwitz-stable matrix | Definition | Linear and multilinear algebra; matrix theory |
| Aitken's delta-squared process | Definition | Numerical analysis |
| Projective resolution | Definition | Commutative algebra |
| Permanent | Definition | Linear and multilinear algebra; matrix theory |
| Stochastic ordering | Definition | Probability theory and stochastic processes |
| n-skeleton | Definition | Manifolds and cell complexes |
| Localization of a space | Definition | Algebraic topology |
| Liouvillian function | Definition | Field theory and polynomials |
| Cylinder set measure | Definition | Measure and integration |
| Linking number | Definition | Manifolds and cell complexes |
| Cardinal characteristics of the continuum | Definition | Mathematical logic and foundations |
| Unramified morphism of rings | Definition | Commutative algebra |
| Wasserstein metric | Definition | Calculus of variations and optimal control; optimization |
| Mori domain | Definition | Commutative algebra |
| Projection-valued measure | Definition | Operator theory |
| Self-avoiding walk | Definition | Statistical mechanics, structure of matter |
| Relation algebra | Definition | Mathematical logic and foundations |
| Local field | Definition | Number theory |
| Injective module | Definition | Commutative algebra |
| Quantifier elimination | Definition | Mathematical logic and foundations |
| Neumann boundary condition | Definition | Ordinary differential equations |
| Carleson measure | Definition | Functions of a complex variable |
| Approximate derivative | Definition | Real functions |
| Green's relations | Definition | Group theory and generalizations |
| Kähler differentials | Definition | Commutative algebra |
| Hardy–Littlewood circle method | Definition | Number theory |
| Group representation | Definition | Group theory and generalizations |
| Cylindric algebra | Definition | Mathematical logic and foundations |
| Matrix summability method | Definition | Sequences, series, summability |
| Local homomorphism | Definition | Commutative algebra |
| Tomita–Takesaki theory | Definition | Functional analysis |
| Borel hierarchy | Definition | Mathematical logic and foundations |
| Stereographic projection | Definition | Functions of a complex variable |
| Spectral theory | Definition | Operator theory |
| Bang–bang control | Definition | Calculus of variations and optimal control; optimization |
| Strictly convex space | Definition | Functional analysis |
| Ring of invariants | Definition | Commutative algebra |
| Borel summation | Definition | Sequences, series, summability |
| Intuitionism | Definition | Mathematical logic and foundations |
| Baire property | Definition | General topology |
| Moduli of algebraic curves | Definition | Algebraic geometry |
| Normal number | Definition | Number theory |
| Integrable function | Definition | Measure and integration |
| Equidistribution modulo one | Definition | Number theory |