# Stability

Stability may refer to:

## Mathematics

* Stability theory, the study of the stability of solutions to differential equations and dynamical systems
** Asymptotic stability
** Linear stability
** Lyapunov stability
** Orbital stability
** Structural stability
* Stability (probability), a property of probability distributions
* Stability (learning theory), a property of machine learning algorithms
* Stability, a property of sorting algorithms
* Numerical stability, a property of numerical algorithms which describes how errors in the input data propagate through the algorithm
* Stability radius, a property of continuous polynomial functions
* Stable theory, concerned with the notion of stability in model theory
* Stability, a property of points in geometric invariant theory
* K-Stability, a stability condition for algebraic varieties.
* Bridgeland stability conditions, a class of stability conditions on elements of a triangulated category.
* Stability (algebraic geometry)

## Engineering

* BIBO stability (Bounded Input, Bounded Output stability), in signal processing and control theory
* Directional stability, the tendency for a body moving with respect to a medium to point in the direction of motion
* Elastic stability, the resistance of a structural member to buckling
* Flight dynamics, including longitudinal stability
* Nyquist stability criterion, defining the limits of stability for pole-zero analysis in control systems
* Relaxed stability, the property of inherently unstable aircraft
* Ship stability in naval architecture includes
** Limit of positive stability, the angle at which a boat will no longer stay upright
** Stability conditions (watercraft) of waterborne vessels
* Slope stability, a property of soil-covered slopes
* Stability model of software design

## Natural sciences

* Atmospheric stability, in fluid dynamics, a measure of the turbulence in the ambient atmosphere
* Band of stability, in physics, the scatter distribution of isotopes that do not decay
* Chemical stability, occurring when a substance is in a dynamic chemical equilibrium with its environment
** Thermal stability of a chemical compound
** Kinetic stability of a chemical compound
** Stability constants of complexes, in solution
* Convective instability, a fluid dynamics condition
* Ecological stability, measure of the probability of a population returning quickly to a previous state, or not going extinct
* Homeostasis, a property of a biological system in which variables are regulated so that internal conditions remain stable
* Metastability, stability of an intermediate energy state of a dynamical system above its lowest energy state
* Plasma stability, a measure of how likely a perturbation in a plasma is to be damped out

## Exercise and sports medicine

* Core stability of the abdominal muscles
* Joint stability in the musculoskeletal system

## Social sciences

* Economic stability, the absence of excessive fluctuations in the macroeconomy
* Hegemonic stability theory, a theory of international relations
* Mertens-stable equilibrium, called "stability" in game theory
* Political stability

## Entertainment

* The Stability EP, a 2002 three song EP by Death Cab for Cutie
* "Stability", a song by Debbie Harry from the album Debravation
* "Stability" (short story), by Philip K. Dick

## Other uses

* Stability (wine)