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Entropy is a scientific concept, most commonly associated with states of disorder, randomness, or uncertainty. The term and the concept are used in diverse...

In information theory, the entropy of a random variable quantifies the average level of uncertainty or information associated with the variable's potential...

process." The second law of thermodynamics establishes the concept of entropy as a physical property of a thermodynamic system. It predicts whether processes...

to a state of no thermodynamic free energy and, having reached maximum entropy, will therefore be unable to sustain any further thermodynamic processes...

gas constant, in Planck's law of black-body radiation and Boltzmann's entropy formula, and is used in calculating thermal noise in resistors. The Boltzmann...

statistics, the Kullback–Leibler (KL) divergence (also called relative entropy and I-divergence), denoted D KL ( P ∥ Q ) {\displaystyle D_{\text{KL}}(P\parallel...

In information theory, an entropy coding (or entropy encoding) is any lossless data compression method that attempts to approach the lower bound declared...

law of thermodynamics requires that black holes have entropy. If black holes carried no entropy, it would be possible to violate the second law by throwing...

bound of black hole thermodynamics, which conjectures that the maximum entropy in any region scales with the radius squared, rather than cubed as might...

In chemistry, the standard molar entropy is the entropy content of one mole of pure substance at a standard state of pressure and any temperature of interest...

entropy desired for each one. Their answers vary between 29 bits of entropy needed if only online attacks are expected, and up to 96 bits of entropy needed...

entropy states that the probability distribution which best represents the current state of knowledge about a system is the one with largest entropy,...

maximum entropy locally on earth; "locally" on earth, that is, when compared to the heat death of the universe, taken as a whole. The term "entropy pessimism"...

Rosenthal Diego Gutierrez March 12, 2002 (2002-03-12) 6ABB17 5.01 118 18 "Entropy" James A. Contner Drew Z. Greenberg April 30, 2002 (2002-04-30) 6ABB18...

be done locally, and the macroscopic entropy will then be given by the integral of the locally defined entropy density. It has been found that many systems...

Research concerning the relationship between the thermodynamic quantity entropy and both the origin and evolution of life began around the turn of the...

Thermoeconomists argue that economic systems always involve matter, energy, entropy, and information. Then, based on this premise, theoretical economic analogs...

generates random numbers from a physical process capable of producing entropy, unlike a pseudorandom number generator (PRNG) that utilizes a deterministic...

In statistics and information theory, a maximum entropy probability distribution has entropy that is at least as great as that of all other members of...

after Jacob Bekenstein) is an upper limit on the thermodynamic entropy S, or Shannon entropy H, that can be contained within a given finite region of space...