Entropy (disambiguation)
Additional relevant articles may be found in the following categories:
- Thermodynamic entropy
- Entropy and information
- Quantum mechanical entropy
Entropy, in thermodynamics, is a measure of the energy in a thermodynamic system not available to do useful work.
Entropy may also refer to:
Thermodynamics
- Entropy (classical thermodynamics), the macroscopic approach to thermodynamic entropy
- Entropy (statistical thermodynamics), the microscopic approach to thermodynamic entropy
- Gibbs entropy, statistical entropy of a thermodynamic system
- von Neumann entropy, entropy of a quantum-mechanical system
- Entropy (order and disorder), entropy's association with the amount of order, disorder, and/or chaos in a thermodynamic system
- History of entropy, concept of entropy that functional energy released from combustion reactions is always lost to dissipation or friction
- Introduction to entropy
- Entropy and life, research concerning the relationship between the thermodynamic quantity entropy and the evolution of life
- Entropy (astrophysics), the adiabatic constant
Information theory and mathematics
- Entropy (information theory), a measure of the amount of information contained in a message
- Entropy encoding, data compression strategies to produce a code length equal to the entropy of a message
- Kolmogorov–Sinai entropy, the rate of information generation by a measure-preserving dynamical system
- Rényi entropy, a family of diversity measures used to define fractal dimensions
- Topological entropy, a measure of exponential growth in the number of distinguishable orbits of a dynamical system
- Volume entropy, a Riemannian invariant measuring the exponential rate of volume growth of a Riemannian metric
Computer science
Music
Other uses