Results 261 to 270 of about 788,948 (294)

The Entropy Generation Minimisation based on the Revised Entropy Generation Number

International Journal of Exergy, 2010
In the present work, an improved Entropy Generation Minimisation (EGM) approach aiming at minimising the revised entropy generation number which is the non-dimensionalised entropy by the ratio of heat flow to the input temperature of the cold fluid is developed for a plate-fin heat exchanger design with multiple design variables with the help of ...
Jiangfeng Guo, Lin Cheng, Mingtian Xu
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Entropy Numbers, Approximation Numbers, and Embeddings

1998
For convenience, all spaces considered here will be over the complex field. Given any Banach spaces X and Y, L (X, Y) will stand for the space of all bounded linear maps from X to Y; we shall write L(X) instead of L(X, X). We also put B X = {x ∈ X : ‖x‖ ≤ 1}. Let T ∈ L(X, Y) and n ∈ ℕ.
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Entropy Numbers, Operators and Support Vector Kernels

1998
We derive new bounds for the generalization error of feature space machines, such as support vector machines and related regularization networks by obtaining new bounds on their covering numbers. The proofs are based on a viewpoint that is apparently novel in the field of statistical learning theory.
Williamson, R., Smola, A., Schölkopf, B.   +2 more
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Entropy Numbers,s-Numbers, and Eigenvalues

2018
AbstractThe geometric quantities entropy numbers, approximation numbers and n-widths are defined for compact linear maps, and connections with the analytic entities eigenvalues and essential spectra discussed. The celebrated inequality of Weyl between the approximation numbers and eigenvalues is established in the general context of Lorentz sequence ...
D. E. Edmunds, W. D. Evans
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Function Spaces, Entropy Numbers, Differential Operators

1996
The distribution of the eigenvalues of differential operators has long fascinated mathematicians. Advances have shed light upon classical problems in this area, and this book presents a fresh approach, largely based upon the results of the authors. The emphasis here is on a topic of central importance in analysis, namely the relationship between i ...
D. E. Edmunds, H. Triebel
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Entropy-Enhanced Random Number Generation

The paper "Entropy-Enhanced Random Number Generation" presents a lightweight hybrid RNG system combining software-based pseudo-random number generators (PRNGs) with analog entropy collected using a low-cost Arduino microcontroller. By integrating analog noise sources such as light or sound with XOR and SHA-256 hashing techniques, the system achieves ...
Sudnyesh Nehare, Aryan Bhad
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Entropy Numbers

2018
Dinh Dũng, Vladimir Temlyakov, Tino Ullrich   +2 more
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Irreversible entropy production: From classical to quantum

Reviews of Modern Physics, 2021
Gabriel T Landi
exaly  

High-entropy ceramics

Nature Reviews Materials, 2020
Corey Oses, Cormac Toher, Stefano Curtarolo   +2 more
exaly  

Entropy, Efficiency and the Index Numbers

1995
Measuring productive efficiency of a set of decision making units (DMUs) basically involves the comparison of two sets of distribution of input-output data: one is the observed set and the other the optimal set. The technique of data envelopment analysis (DEA) defines the optimal set in terms of a Pareto criterion of efficiency and uses the positive ...
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