Math 2.0

Examples

An instance of a concept.

Ideas 451–600 of 672.

NameKindSubject
Penrose tilingExampleConvex and discrete geometry
Kronig–Penney modelExampleStatistical mechanics, structure of matter
Exceptional Lie group E8ExampleTopological groups, Lie groups
Sherrington–Kirkpatrick modelExampleStatistical mechanics, structure of matter
Rössler attractorExampleOrdinary differential equations
Hypernetted-chain equationExampleStatistical mechanics, structure of matter
Gauss mapExampleNumber theory
Lippmann–Schwinger equationExampleQuantum theory
Real projective planeExampleGeometry
Wallpaper groupExampleGroup theory and generalizations
Ogden hyperelastic modelExampleMechanics of deformable solids
Rayleigh flowExampleFluid mechanics
n-vector modelExampleStatistical mechanics, structure of matter
Abelian sandpile modelExampleStatistical mechanics, structure of matter
Ackermann functionExampleMathematical logic and foundations
The cosets of a subgroup that is not normal do not form a groupExampleGroup theory and generalizations
Smale horseshoeExampleDynamical systems and ergodic theory
Otto cycleExampleClassical thermodynamics, heat transfer
Spherical harmonics as representations of SO(3)ExampleAbstract harmonic analysis
Wilkinson's polynomialExampleNumerical analysis
Surface of revolutionExampleDifferential geometry
Einstein–de Sitter universeExampleRelativity and gravitational theory
Ellis wormholeExampleRelativity and gravitational theory
Swallowtail catastropheExampleGlobal analysis, analysis on manifolds
Foucault pendulumExampleMechanics of particles and systems
Poincaré homology sphereExampleManifolds and cell complexes
Variety of latticesExampleOrder, lattices, ordered algebraic structures
Kerr–Newman metricExampleRelativity and gravitational theory
K-theory of Cuntz algebrasExampleFunctional analysis
XXZ modelExampleStatistical mechanics, structure of matter
TetrationExampleReal functions
Sierpiński spaceExampleGeneral topology
Einstein solidExampleStatistical mechanics, structure of matter
Kármán vortex streetExampleFluid mechanics
Poiseuille flowExampleFluid mechanics
Interior Schwarzschild metricExampleRelativity and gravitational theory
Random energy modelExampleStatistical mechanics, structure of matter
HypercubeExampleConvex and discrete geometry
Sierpiński carpetExampleGeneral topology
Particular values of the gamma functionExampleSpecial functions
Transverse-field Ising modelExampleStatistical mechanics, structure of matter
Airy equationExampleOrdinary differential equations
Hopf surfaceExampleSeveral complex variables and analytic spaces
Maxwell materialExampleMechanics of deformable solids
Rudin–Shapiro polynomialsExampleHarmonic analysis on Euclidean spaces
Doubling on the integers is not an isomorphismExampleGroup theory and generalizations
Sawtooth waveExampleHarmonic analysis on Euclidean spaces
Noncommutative torusExampleFunctional analysis
Repetition codeExampleInformation and communication theory, circuits
SL(2,R)ExampleTopological groups, Lie groups
M/G/1 queueExampleProbability theory and stochastic processes
Stag huntExampleGame theory, economics, finance, and other social and behavioral sciences
Meyer waveletExampleHarmonic analysis on Euclidean spaces
Kempner seriesExampleSequences, series, summability
Hankel transform of radial functions in the planeExampleIntegral transforms, operational calculus
Logistic mapExampleDynamical systems and ergodic theory
Space-filling curveExampleGeneral topology
Counting measureExampleMeasure and integration
Tamari latticeExampleOrder, lattices, ordered algebraic structures
Dual groups of the integers and the real lineExampleAbstract harmonic analysis
The symmetric group S3 is not abelianExampleGroup theory and generalizations
Airy beamExampleOptics, electromagnetic theory
Lorentz groupExampleTopological groups, Lie groups
Ising modelExampleStatistical mechanics, structure of matter
Representation theory of the Lorentz groupExampleTopological groups, Lie groups
Elastic pendulumExampleMechanics of particles and systems
CoifletExampleHarmonic analysis on Euclidean spaces
The natural numbers under addition are not a groupExampleGroup theory and generalizations
Iterated exponentiationExampleSequences, series, summability
Laplace transform of a power functionExampleIntegral transforms, operational calculus
Grassmannian as classifying spaceExampleAlgebraic topology
Steiner chainExampleGeometry
Poincaré half-plane modelExampleGeometry
Dihedral quandleExampleManifolds and cell complexes
Segre embeddingExampleAlgebraic geometry
AnalemmaExampleAstronomy and astrophysics
Fuller's phenomenonExampleCalculus of variations and optimal control; optimization
Semiautomaton as a unary algebraExampleGeneral algebraic systems
Dirichlet distributionExampleProbability theory and stochastic processes
Additive white Gaussian noise channelExampleInformation and communication theory, circuits
Median algebra as a ternary algebraExampleGeneral algebraic systems
Quintic equationExampleField theory and polynomials
Octonionic projective planeExampleGeometry
Affine plane over a finite fieldExampleGeometry
Tsirelson spaceExampleFunctional analysis
Edwards–Anderson modelExampleStatistical mechanics, structure of matter
Arithmetic progressionExampleNumber theory
Mellin transform of a theta series and the zeta functionExampleNumber theory
Fabry–Pérot interferometerExampleOptics, electromagnetic theory
Kelvin solution for a point forceExampleMechanics of deformable solids
Duffing equationExampleOrdinary differential equations
Kapitza's pendulumExampleMechanics of particles and systems
Carleman's singular integral equationExampleIntegral equations
Belousov–Zhabotinsky reactionExampleBiology and other natural sciences
Spherical modelExampleStatistical mechanics, structure of matter
Falkner–Skan boundary layerExampleFluid mechanics
Vaidya metricExampleRelativity and gravitational theory
Fundamental domain of the modular groupExampleNumber theory
PermutohedronExampleConvex and discrete geometry
Fatou–Bieberbach domainExampleSeveral complex variables and analytic spaces
Chua's circuitExampleInformation and communication theory, circuits
K1 of a Euclidean domainExampleK-theory
The alternating group A3 is normal in S3ExampleGroup theory and generalizations
Green's function of the ballExamplePotential theory
Möbius–Kantor configurationExampleCombinatorics
Square waveExampleHarmonic analysis on Euclidean spaces
CrownExampleOrder, lattices, ordered algebraic structures
RainbowExampleOptics, electromagnetic theory
Blotto gameExampleGame theory, economics, finance, and other social and behavioral sciences
The alternating group is the kernel of the signExampleGroup theory and generalizations
Dimer modelExampleStatistical mechanics, structure of matter
Chladni figuresExampleMechanics of deformable solids
Taft algebraExampleAssociative rings and algebras
Su–Schrieffer–Heeger modelExampleStatistical mechanics, structure of matter
Directed percolationExampleStatistical mechanics, structure of matter
Whitehead linkExampleManifolds and cell complexes
Orthogonal Lie algebraExampleNonassociative rings and algebras
Burke–Schumann flameExampleClassical thermodynamics, heat transfer
Asymmetric simple exclusion processExampleProbability theory and stochastic processes
Basel problem via Fourier seriesExampleHarmonic analysis on Euclidean spaces
Kepler problemExampleMechanics of particles and systems
1 − 1 + 2 − 6 + 24 − 120 + ⋯ExampleSequences, series, summability
Debye modelExampleStatistical mechanics, structure of matter
Pin groupExampleTopological groups, Lie groups
Toeplitz extensionExampleFunctional analysis
Self-dual groupExampleAbstract harmonic analysis
Delta potentialExampleQuantum theory
Spherical pendulumExampleMechanics of particles and systems
Navarro–Frenk–White profileExampleAstronomy and astrophysics
Lemaître–Tolman metricExampleRelativity and gravitational theory
Geodesic flowExampleDynamical systems and ergodic theory
The odd integers are not a subgroup of the integersExampleGroup theory and generalizations
Pseudo-arcExampleGeneral topology
Weaire–Phelan structureExampleConvex and discrete geometry
Blasius boundary layerExampleFluid mechanics
Upper-convected Maxwell modelExampleFluid mechanics
Oldroyd-B modelExampleFluid mechanics
Cusp catastropheExampleGlobal analysis, analysis on manifolds
Cantor algebraExampleOrder, lattices, ordered algebraic structures
Wilson–Cowan neural field equationExampleBiology and other natural sciences
Z-channelExampleInformation and communication theory, circuits
Trefoil knotExampleManifolds and cell complexes
Pappus configurationExampleCombinatorics
Herschel–Bulkley fluidExampleFluid mechanics
Reeb foliationExampleManifolds and cell complexes
d'Alembert's equationExampleOrdinary differential equations
Legendre's equationExampleOrdinary differential equations
Airfoil equationExampleIntegral equations
Bose gasExampleStatistical mechanics, structure of matter
Binary symmetric channelExampleInformation and communication theory, circuits