Examples

An instance of a concept.

Ideas 151–213 of 213.

Name	Kind	Subject
Integers modulo n form a cyclic group	Example	Group theory and generalizations
Seifert–Weber space	Example	Manifolds and cell complexes
Nested radical	Example	Sequences, series, summability
Laguerre equation	Example	Ordinary differential equations
Bounded sequences ℓ∞	Example	Functional analysis
M/M/1 queue	Example	Probability theory and stochastic processes
Space of convergent sequences	Example	Functional analysis
Smith–Volterra–Cantor set	Example	Measure and integration
Abel equation of the first kind	Example	Ordinary differential equations
Hopf link	Example	Manifolds and cell complexes
Stirling's series	Example	Special functions
Hopf fibration	Example	Algebraic topology
Rössler attractor	Example	Ordinary differential equations
Wallpaper group	Example	Group theory and generalizations
Ackermann function	Example	Mathematical logic and foundations
The cosets of a subgroup that is not normal do not form a group	Example	Group theory and generalizations
Surface of revolution	Example	Differential geometry
Poincaré homology sphere	Example	Manifolds and cell complexes
Sierpiński space	Example	General topology
Sierpiński carpet	Example	General topology
Airy equation	Example	Ordinary differential equations
Doubling on the integers is not an isomorphism	Example	Group theory and generalizations
Noncommutative torus	Example	Functional analysis
Kempner series	Example	Sequences, series, summability
Space-filling curve	Example	General topology
Counting measure	Example	Measure and integration
The symmetric group S3 is not abelian	Example	Group theory and generalizations
Ising model	Example	Statistical mechanics, structure of matter
The natural numbers under addition are not a group	Example	Group theory and generalizations
Iterated exponentiation	Example	Sequences, series, summability
Grassmannian as classifying space	Example	Algebraic topology
Dirichlet distribution	Example	Probability theory and stochastic processes
Quintic equation	Example	Field theory and polynomials
Tsirelson space	Example	Functional analysis
Arithmetic progression	Example	Number theory
Duffing equation	Example	Ordinary differential equations
The alternating group A3 is normal in S3	Example	Group theory and generalizations
The alternating group is the kernel of the sign	Example	Group theory and generalizations
Whitehead link	Example	Manifolds and cell complexes
Asymmetric simple exclusion process	Example	Probability theory and stochastic processes
Kepler problem	Example	Mechanics of particles and systems
1 − 1 + 2 − 6 + 24 − 120 + ⋯	Example	Sequences, series, summability
The odd integers are not a subgroup of the integers	Example	Group theory and generalizations
Pseudo-arc	Example	General topology
Trefoil knot	Example	Manifolds and cell complexes
Reeb foliation	Example	Manifolds and cell complexes
d'Alembert's equation	Example	Ordinary differential equations
Legendre's equation	Example	Ordinary differential equations
Stiefel manifold	Example	Algebraic topology
Space of null sequences	Example	Functional analysis
Van der Pol oscillator	Example	Ordinary differential equations
Menger sponge	Example	General topology
Borromean rings	Example	Manifolds and cell complexes
Lorenz system	Example	Ordinary differential equations
A subgroup of order two in S3 is not normal	Example	Group theory and generalizations
List of small groups	Example	Group theory and generalizations
Orders of the elements of S3	Example	Group theory and generalizations
Voter model	Example	Probability theory and stochastic processes
Hill differential equation	Example	Ordinary differential equations
1 + 1 + 1 + 1 + ⋯	Example	Sequences, series, summability
Doob martingale	Example	Probability theory and stochastic processes
Hermite equation	Example	Ordinary differential equations
Conway knot	Example	Manifolds and cell complexes