Concepts

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

Ideas 8401–8428 of 8428.

Name	Kind	Subject
Langevin equation	Concept	Probability theory and stochastic processes
Injective resolution	Concept	Category theory; homological algebra
Sigma-compact space	Concept	General topology
Regular and singular points of an analytic set	Concept	Several complex variables and analytic spaces
Statistical convergence	Concept	Sequences, series, summability
Entanglement distillation	Concept	Quantum theory
Streamlines, streaklines and pathlines	Concept	Fluid mechanics
Maxwell stress tensor	Concept	Optics, electromagnetic theory
Quaternion algebra	Concept	Associative rings and algebras
Dynamic similarity	Concept	Fluid mechanics
f(R) gravity	Concept	Relativity and gravitational theory
Disjoint union topology	Concept	General topology
Theil index	Concept	Game theory, economics, finance, and other social and behavioral sciences
Reduced scheme	Concept	Algebraic geometry
Divisible group	Concept	Group theory and generalizations
Riemann solver	Concept	Numerical analysis
Riesz basis	Concept	Harmonic analysis on Euclidean spaces
Biot number	Concept	Classical thermodynamics, heat transfer
Invariant mean	Concept	Abstract harmonic analysis
Degree of exactness of a quadrature rule	Concept	Numerical analysis
Pariah groups	Concept	Group theory and generalizations
hp-FEM	Concept	Numerical analysis
Branch and bound	Concept	Operations research, mathematical programming
Teichmüller space	Concept	Functions of a complex variable
Higher-order vagueness	Concept
Bramble (graph theory)	Concept
Continuous multiplication	Concept	Topological groups, Lie groups
Obstruction theory	Concept	Algebraic topology