Concepts

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

Ideas 7801–7950 of 8057.

Name	Kind	Subject
Crystal plasticity	Concept	Mechanics of deformable solids
Continuous and residual spectrum	Concept	Operator theory
Simplicial polytope	Concept	Convex and discrete geometry
Twistor theory	Concept	Several complex variables and analytic spaces
Topology of uniform convergence	Concept	General topology
Club set	Concept	Mathematical logic and foundations
Output controllability	Concept	Systems theory; control
Toric variety	Concept	Algebraic geometry
Instanton	Concept	Differential geometry
Trace form	Concept	Field theory and polynomials
Vickrey–Clarke–Groves mechanism	Concept	Game theory, economics, finance, and other social and behavioral sciences
Rate of convergence	Concept	Sequences, series, summability
Simplex	Concept	Geometry
Uniform module	Concept	Associative rings and algebras
Group cohomology	Concept	Group theory and generalizations
Method of moments in electromagnetics	Concept	Optics, electromagnetic theory
Contextualism	Concept
Projective object	Concept	Category theory; homological algebra
Inversion in a circle	Concept	Geometry
Arakelov theory	Concept	Algebraic geometry
Inclusive first-order logic	Concept
Vincenty's formulae	Concept	Geophysics
Analysis on fractals	Concept	Potential theory
Fractional differential equation	Concept	Ordinary differential equations
BCH code	Concept	Information and communication theory, circuits
J-homomorphism	Concept	Algebraic topology
Measurable function	Concept	Measure and integration
Rayleigh dissipation function	Concept	Mechanics of particles and systems
Doodson numbers	Concept	Geophysics
Electric field	Concept	Optics, electromagnetic theory
Measure algebra	Concept	Measure and integration
Pochhammer symbol	Concept	Combinatorics
Magnetic reconnection	Concept	Fluid mechanics
Periodicity equation	Concept	Difference and functional equations
Infinity	Concept
G-theory	Concept	K-theory
Field of formal Laurent series	Concept	Commutative algebra
Koszul complex	Concept	Commutative algebra
Kolmogorov–Smirnov test	Concept	Statistics
Schubert variety	Concept	Algebraic geometry
Phylogenetic network	Concept	Biology and other natural sciences
Supermanifold	Concept	Global analysis, analysis on manifolds
Uniserial module	Concept	Associative rings and algebras
Earth's magnetic field	Concept	Geophysics
Order filter	Concept	Order, lattices, ordered algebraic structures
Implication graph	Concept
Cotangent space of a local ring	Concept	Commutative algebra
Difference algebra	Concept	Field theory and polynomials
Subharmonic function	Concept	Potential theory
Axiom A	Concept	Dynamical systems and ergodic theory
Prandtl stress function	Concept	Mechanics of deformable solids
Trace class operator	Concept	Operator theory
Parabolic subgroup	Concept	Topological groups, Lie groups
Positive set theory	Concept
Trace operator	Concept	Functional analysis
Positive cone	Concept	Functional analysis
Weierstrass equation	Concept	Algebraic geometry
Algebraic logic	Concept	Mathematical logic and foundations
Aperiodic set of prototiles	Concept	Convex and discrete geometry
Current algebra	Concept	Nonassociative rings and algebras
Invalid deductive argument	Concept
Stein space	Concept	Several complex variables and analytic spaces
Little q-Jacobi polynomials	Concept	Special functions
Band matrix	Concept	Linear and multilinear algebra; matrix theory
Oracle machine	Concept	Mathematical logic and foundations
Duality in category theory	Concept	Category theory; homological algebra
Projective morphism	Concept	Algebraic geometry
Metabolic control analysis	Concept	Biology and other natural sciences
Zonotope	Concept	Convex and discrete geometry
Proper cone	Concept	Convex and discrete geometry
Bernstein–Bézier form	Concept	Approximations and expansions
Thermal efficiency	Concept	Classical thermodynamics, heat transfer
Tarskian hierarchy	Concept
Inherently nonfinitely based algebra	Concept	General algebraic systems
Aristotelian comprehension schema	Concept
Massey product	Concept	Algebraic topology
World line	Concept	Relativity and gravitational theory
Thomson scattering	Concept	Optics, electromagnetic theory
Spectral theory of dynamical systems	Concept	Dynamical systems and ergodic theory
Real analytic manifold	Concept	Several complex variables and analytic spaces
Epsilon-induction	Concept
Interior operator	Concept	Order, lattices, ordered algebraic structures
Strongly pseudoconvex domain	Concept	Several complex variables and analytic spaces
Optical transfer function	Concept	Optics, electromagnetic theory
Nyquist plot	Concept	Systems theory; control
Data envelopment analysis	Concept	Operations research, mathematical programming
Polar space	Concept	Geometry
Hunt process	Concept	Probability theory and stochastic processes
Morris–Lecar model	Concept	Biology and other natural sciences
Variable-mass system	Concept	Mechanics of particles and systems
Almost periodic sequence	Concept	Difference and functional equations
Expressive completeness	Concept
Derivable rule	Concept
Vibration of plates	Concept	Mechanics of deformable solids
Finite-rank operator	Concept	Operator theory
First uncountable ordinal	Concept
Bellman equation	Concept	Operations research, mathematical programming
Parametrix	Concept	Global analysis, analysis on manifolds
Weil divisor	Concept	Algebraic geometry
Prime ring	Concept	Associative rings and algebras
Transform pair	Concept	Integral transforms, operational calculus
Dehn surgery	Concept	Manifolds and cell complexes
Curvature form	Concept	Differential geometry
Prim's algorithm	Concept	Combinatorics
Moment map	Concept	Differential geometry
Heat potential	Concept	Partial differential equations
Linear discriminant analysis	Concept	Statistics
Relativistic mechanics	Concept	Relativity and gravitational theory
Modern portfolio theory	Concept	Game theory, economics, finance, and other social and behavioral sciences
Gowers norm	Concept	Number theory
Theta correspondence	Concept	Number theory
Fundamental groupoid	Concept	Algebraic topology
Lattice gauge theory	Concept	Quantum theory
Category of posets	Concept	Category theory; homological algebra
Numerical quantifier	Concept
Cartan matrix of an algebra	Concept	Associative rings and algebras
Kohn Laplacian	Concept	Several complex variables and analytic spaces
Radial basis function	Concept	Approximations and expansions
Fuchsian equation	Concept	Ordinary differential equations
Much-greater-or-less	Concept
CR manifold	Concept	Several complex variables and analytic spaces
Lawson topology	Concept	Order, lattices, ordered algebraic structures
Global optimization	Concept	Operations research, mathematical programming
Amenable group action	Concept	Abstract harmonic analysis
Minimum-variance unbiased estimator	Concept	Statistics
Top trading cycle	Concept	Game theory, economics, finance, and other social and behavioral sciences
Constructive set theory	Concept
Concrete category of algebras	Concept	General algebraic systems
Non-deterministic polynomial time	Concept
Primary decomposition	Concept	Commutative algebra
Strength (mathematical logic)	Concept
Blocking set	Concept	Geometry
Semilocal ring	Concept	Associative rings and algebras
Harmonic majorant	Concept	Potential theory
Iterative conception of set	Concept
Permutation group	Concept	Group theory and generalizations
Integral equation of the first kind	Concept	Integral equations
Barrelled space	Concept	Functional analysis
Fundamental class	Concept	Manifolds and cell complexes
Join	Concept	General topology
Variogram	Concept	Statistics
Δ-complex	Concept	Algebraic topology
Black–Scholes equation	Concept	Partial differential equations
Normed field	Concept	Field theory and polynomials
Hicksian demand function	Concept	Game theory, economics, finance, and other social and behavioral sciences
Priestley space	Concept	Order, lattices, ordered algebraic structures
Soret effect	Concept	Classical thermodynamics, heat transfer
Plate reconstruction	Concept	Geophysics
Markov chain Monte Carlo	Concept	Numerical analysis
Counterfactual logic	Concept