Concepts

A mathematical idea. It can have more than one definition.

Ideas 1651–1800 of 2778.

Name	Kind	Subject
Relative homotopy	Concept	Algebraic topology
Tautological one-form	Concept	Differential geometry
Quasicircle	Concept	Functions of a complex variable
Riesz mean	Concept	Sequences, series, summability
Knot sum	Concept	Manifolds and cell complexes
Separable Banach space	Concept	Functional analysis
Semifield	Concept	Field theory and polynomials
Eilenberg–MacLane space	Concept	Algebraic topology
Noetherian module	Concept	Commutative algebra
Measurable cardinal	Concept	Mathematical logic and foundations
Multiplicative set	Concept	Commutative algebra
Tensor product of fields	Concept	Field theory and polynomials
Handlebody	Concept	Manifolds and cell complexes
Schramm–Loewner evolution	Concept	Probability theory and stochastic processes
Knot group	Concept	Manifolds and cell complexes
Simple homotopy equivalence	Concept	Manifolds and cell complexes
Boolean matrix	Concept	Linear and multilinear algebra; matrix theory
P-adic analysis	Concept	Functions of a complex variable
Irregular singularity	Concept	Ordinary differential equations
Projection-valued measure	Concept	Operator theory
Kirby calculus	Concept	Manifolds and cell complexes
Fréchet algebra	Concept	Functional analysis
Supersolvable group	Concept	Group theory and generalizations
Ultraproduct	Concept	Mathematical logic and foundations
Modulus of continuity	Concept	Real functions
Stereographic projection	Concept	Functions of a complex variable
Difference quotient	Concept	Real functions
Ergodic transformation	Concept	Dynamical systems and ergodic theory
Series acceleration	Concept	Numerical analysis
Stochastic differential equation	Concept	Probability theory and stochastic processes
Sasakian manifold	Concept	Differential geometry
Catenary ring	Concept	Commutative algebra
Symmetric derivative	Concept	Real functions
Symplectic integrator	Concept	Numerical analysis
Riemannian distance	Concept	Differential geometry
Regular prime	Concept	Number theory
Lindelöf summation	Concept	Sequences, series, summability
QR algorithm	Concept	Numerical analysis
Locally convex space	Concept	Functional analysis
Double sequence	Concept	Sequences, series, summability
Splitting of prime ideals	Concept	Number theory
Integral extension	Concept	Commutative algebra
Valuation	Concept	Field theory and polynomials
Infinite compositions of functions	Concept	Sequences, series, summability
Chebyshev functions	Concept	Number theory
Numerical linear algebra	Concept	Numerical analysis
Sidon set	Concept	Number theory
Ring spectrum	Concept	Algebraic topology
Cofinality	Concept	Mathematical logic and foundations
Densely defined operator	Concept	Operator theory
Lambda calculus	Concept	Mathematical logic and foundations
Multiply transitive group action	Concept	Group theory and generalizations
Whitney sum	Concept	Algebraic topology
Uniformly convex space	Concept	Functional analysis
Class field theory	Concept	Number theory
Brauer group	Concept	Associative rings and algebras
Type and cotype	Concept	Functional analysis
Projective module	Concept	Commutative algebra
Deck transformation group	Concept	Manifolds and cell complexes
Percolation theory	Concept	Probability theory and stochastic processes
Outer measure	Concept	Measure and integration
Asymptotic expansion	Concept	Approximations and expansions
Vietoris topology	Concept	General topology
Floquet theory	Concept	Ordinary differential equations
Euler class	Concept	Manifolds and cell complexes
Tate–Shafarevich group	Concept	Number theory
Dynamic equation on time scales	Concept	Ordinary differential equations
Spectrum of an operator	Concept	Operator theory
Submersion	Concept	Manifolds and cell complexes
Hilbert–Samuel function	Concept	Commutative algebra
Braid group	Concept	Group theory and generalizations
Ramification group	Concept	Number theory
Bring radical	Concept	Field theory and polynomials
Place (number field)	Concept	Number theory
p-adic number	Concept	Field theory and polynomials
Decreasing rearrangement	Concept	Functional analysis
Wiman–Valiron theory	Concept	Functions of a complex variable
Infinitely divisible distribution	Concept	Probability theory and stochastic processes
Linear multistep method	Concept	Numerical analysis
Lorentzian manifold	Concept	Differential geometry
Cobordism ring	Concept	Manifolds and cell complexes
Shanks transformation	Concept	Numerical analysis
Mittag-Leffler star	Concept	Functions of a complex variable
Strongly regular graph	Concept	Combinatorics
Faithfully flat module	Concept	Commutative algebra
Association scheme	Concept	Combinatorics
Modal logic	Concept	Mathematical logic and foundations
Observability	Concept	Systems theory; control
Differentiable curve	Concept	Differential geometry
Ordinal analysis	Concept	Mathematical logic and foundations
Hamiltonian vector field	Concept	Differential geometry
Tychonoff space	Concept	General topology
Simplicial homology	Concept	Algebraic topology
Proof-theoretic ordinal	Concept	Mathematical logic and foundations
Equivariant cohomology	Concept	Algebraic topology
Paraconsistent logic	Concept	Mathematical logic and foundations
Tutte polynomial	Concept	Combinatorics
Gröbner basis	Concept	Commutative algebra
Monodromy	Concept	Ordinary differential equations
Normal number	Concept	Number theory
Ultraweak topology	Concept	Functional analysis
Symplectic manifold	Concept	Differential geometry
Levi-Civita connection	Concept	Differential geometry
Krull domain	Concept	Commutative algebra
Path homotopy	Concept	Algebraic topology
Treewidth	Concept	Combinatorics
Latin square	Concept	Combinatorics
Approximate identity	Concept	Functional analysis
Amenable group	Concept	Abstract harmonic analysis
Deformation retract	Concept	General topology
Tietze transformations	Concept	Group theory and generalizations
Group homology	Concept	Group theory and generalizations
Composition operator	Concept	Operator theory
Harmonic measure	Concept	Potential theory
Graph embedding	Concept	Combinatorics
Elementary embedding	Concept	Mathematical logic and foundations
Completely positive map	Concept	Functional analysis
Hypergraph	Concept	Combinatorics
Mahlo cardinal	Concept	Mathematical logic and foundations
Hermitian manifold	Concept	Differential geometry
Heyting arithmetic	Concept	Mathematical logic and foundations
Woodin cardinal	Concept	Mathematical logic and foundations
Abstract Wiener space	Concept	Measure and integration
Invertible operator	Concept	Operator theory
Phase space	Concept	Ordinary differential equations
Fuzzy measure	Concept	Measure and integration
Prenex normal form	Concept	Mathematical logic and foundations
Detailed balance	Concept	Probability theory and stochastic processes
Free monoid	Concept	Group theory and generalizations
Fiber bundle	Concept	Algebraic topology
Grothendieck's Galois theory	Concept	Field theory and polynomials
Definable set	Concept	Mathematical logic and foundations
Pointless topology	Concept	Order, lattices, ordered algebraic structures
Length of a module	Concept	Commutative algebra
Relative CW complex	Concept	Manifolds and cell complexes
Localization of a space	Concept	Algebraic topology
Girth	Concept	Combinatorics
Nuclear C*-algebra	Concept	Functional analysis
Semiring	Concept	Associative rings and algebras
Whitehead tower	Concept	Algebraic topology
Path space fibration	Concept	Algebraic topology
Complex multiplication	Concept	Number theory
Homotopy extension property	Concept	Algebraic topology
Geometric Brownian motion	Concept	Probability theory and stochastic processes
Structural stability	Concept	Ordinary differential equations
Horn	Concept	Algebraic topology
Polynomial long division	Concept	Commutative algebra
Abelian and Tauberian theorems	Concept	Sequences, series, summability
Countable additivity	Concept	Measure and integration
Transcendence degree	Concept	Field theory and polynomials