Concepts

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

Ideas 2551–2700 of 5206.

Name	Kind	Subject
Zimmer program	Concept	Dynamical systems and ergodic theory
Nonlinear integral equation	Concept	Integral equations
Bring radical	Concept	Field theory and polynomials
Fundamental solution of the Laplacian	Concept	Partial differential equations
Place (number field)	Concept	Number theory
p-adic number	Concept	Field theory and polynomials
Lattice in a Lie group	Concept	Topological groups, Lie groups
Central difference	Concept	Difference and functional equations
Manifold of smooth mappings	Concept	Global analysis, analysis on manifolds
Automatic differentiation	Concept	Numerical analysis
Decreasing rearrangement	Concept	Functional analysis
Covering density	Concept	Convex and discrete geometry
Wiman–Valiron theory	Concept	Functions of a complex variable
Infinitely divisible distribution	Concept	Probability theory and stochastic processes
Linear multistep method	Concept	Numerical analysis
Semialgebraic set	Concept	Algebraic geometry
Lorentzian manifold	Concept	Differential geometry
Positive current	Concept	Several complex variables and analytic spaces
Biproduct	Concept	Category theory; homological algebra
Particle filter	Concept	Statistics
Uniform polytope	Concept	Geometry
Cobordism ring	Concept	Manifolds and cell complexes
Sine and cosine transforms	Concept	Harmonic analysis on Euclidean spaces
Meijer G-function transforms	Concept	Integral transforms, operational calculus
Polynomial identity ring	Concept	Associative rings and algebras
Fatou set	Concept	Dynamical systems and ergodic theory
Shanks transformation	Concept	Numerical analysis
Pro-p group	Concept	Group theory and generalizations
Elliptic boundary value problem	Concept	Partial differential equations
Semimodular lattice	Concept	Order, lattices, ordered algebraic structures
Mittag-Leffler star	Concept	Functions of a complex variable
Strongly regular graph	Concept	Combinatorics
Intrinsic volume	Concept	Convex and discrete geometry
Nilpotent ideal	Concept	Associative rings and algebras
Faithfully flat module	Concept	Commutative algebra
Association scheme	Concept	Combinatorics
Weak derivative	Concept	Functional analysis
Modal logic	Concept	Mathematical logic and foundations
Infinitesimal stability	Concept	Global analysis, analysis on manifolds
Matched Z-transform method	Concept	Systems theory; control
Observability	Concept	Systems theory; control
Blowing up	Concept	Algebraic geometry
Canonical height	Concept	Dynamical systems and ergodic theory
Differentiable curve	Concept	Differential geometry
Classical ring of quotients	Concept	Associative rings and algebras
Ordinal analysis	Concept	Mathematical logic and foundations
Hamiltonian vector field	Concept	Differential geometry
Pseudorandom number generator	Concept	Numerical analysis
Tychonoff space	Concept	General topology
Latent variable model	Concept	Statistics
Scott continuity	Concept	Order, lattices, ordered algebraic structures
Simplicial homology	Concept	Algebraic topology
Proof-theoretic ordinal	Concept	Mathematical logic and foundations
Sine and cosine addition equations	Concept	Difference and functional equations
Nonlinear regression	Concept	Statistics
Equivariant cohomology	Concept	Algebraic topology
Paraconsistent logic	Concept	Mathematical logic and foundations
Laman graph	Concept	Convex and discrete geometry
Tutte polynomial	Concept	Combinatorics
Link of a singularity	Concept	Several complex variables and analytic spaces
Gröbner basis	Concept	Commutative algebra
Liouville's equation	Concept	Partial differential equations
Monodromy	Concept	Ordinary differential equations
Polar set	Concept	Potential theory
Mixture model	Concept	Statistics
Normal number	Concept	Number theory
Quasi-isomorphism	Concept	Category theory; homological algebra
Ultraweak topology	Concept	Functional analysis
Peetre K-functional	Concept	Functional analysis
Copula	Concept	Statistics
Symplectic manifold	Concept	Differential geometry
Levi-Civita connection	Concept	Differential geometry
Hilbert–Schmidt integral operator	Concept	Operator theory
Krull domain	Concept	Commutative algebra
Path homotopy	Concept	Algebraic topology
Oscillator representation	Concept	Topological groups, Lie groups
Open segment	Concept	Convex and discrete geometry
Treewidth	Concept	Combinatorics
Holomorphically convex hull	Concept	Several complex variables and analytic spaces
Morphism of varieties	Concept	Algebraic geometry
Ambiguity function	Concept	Information and communication theory, circuits
Latin square	Concept	Combinatorics
Approximate identity	Concept	Functional analysis
Betweenness	Concept	Geometry
Amenable group	Concept	Abstract harmonic analysis
Meixner polynomials	Concept	Special functions
Boolean product	Concept	General algebraic systems
Cauchy's exponential equation	Concept	Difference and functional equations
Translation surface	Concept	Dynamical systems and ergodic theory
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
Concentration of measure	Concept	Convex and discrete geometry
Graph embedding	Concept	Combinatorics
Profinite completion	Concept	Group theory and generalizations
Schwartz space	Concept	Functional analysis
Differential operator between vector bundles	Concept	Global analysis, analysis on manifolds
Elementary embedding	Concept	Mathematical logic and foundations
Completely positive map	Concept	Functional analysis
Hypergraph	Concept	Combinatorics
Stability of a difference equation	Concept	Difference and functional equations
Inverse Mellin transform	Concept	Integral transforms, operational calculus
Robbins–Monro algorithm	Concept	Statistics
Limit	Concept	Category theory; homological algebra
Coulomb wave function	Concept	Special functions
Mahlo cardinal	Concept	Mathematical logic and foundations
Krawtchouk polynomials	Concept	Special functions
Generator	Concept	Category theory; homological algebra
Hermitian manifold	Concept	Differential geometry
Heyting arithmetic	Concept	Mathematical logic and foundations
Mann–Whitney U test	Concept	Statistics
Yang–Mills functional	Concept	Global analysis, analysis on manifolds
Solution set condition	Concept	Category theory; homological algebra
Akaike information criterion	Concept	Statistics
Woodin cardinal	Concept	Mathematical logic and foundations
Backward error analysis	Concept	Numerical analysis
Specialization preorder	Concept	General topology
Sieve	Concept	Category theory; homological algebra
External ray	Concept	Dynamical systems and ergodic theory
Transfer operator	Concept	Dynamical systems and ergodic theory
Score	Concept	Statistics
Abstract Wiener space	Concept	Measure and integration
Invertible operator	Concept	Operator theory
Translation equation	Concept	Difference and functional equations
Phase space	Concept	Ordinary differential equations
Statistical decision theory	Concept	Statistics
Round-off error	Concept	Numerical analysis
2-category	Concept	Category theory; homological algebra
Characteristic variety	Concept	Partial differential equations
Ultrafilter on a Boolean algebra	Concept	Order, lattices, ordered algebraic structures
Mollifier	Concept	Functional analysis
Ricci flow	Concept	Differential geometry
Fuzzy measure	Concept	Measure and integration
Minimal set	Concept	Dynamical systems and ergodic theory
Modulus of smoothness	Concept	Approximations and expansions
Prenex normal form	Concept	Mathematical logic and foundations
Serre subcategory	Concept	Category theory; homological algebra
Incidence geometry	Concept	Geometry
Multivariate approximation	Concept	Approximations and expansions
Detailed balance	Concept	Probability theory and stochastic processes
Equalizer	Concept	Category theory; homological algebra
Pexider equation	Concept	Difference and functional equations
Free monoid	Concept	Group theory and generalizations
Principal series representation	Concept	Topological groups, Lie groups
Partial linear space	Concept	Geometry
Fiber bundle	Concept	Algebraic topology
Grothendieck's Galois theory	Concept	Field theory and polynomials
Unimodular group	Concept	Topological groups, Lie groups