Results 51 to 60 of about 295,758 (246)
On-Line AdaTron Learning of Unlearnable Rules
, 1997 We study the on-line AdaTron learning of linearly non-separable rules by a simple perceptron. Training examples are provided by a perceptron with a non-monotonic transfer function which reduces to the usual monotonic relation in a certain limit.
G. Boffetta +16 more
core +2 more sources
Advanced Functional Materials, EarlyView.This review synthesizes the evolution of radiative heat transfer, emphasizing the transition from far‐field to near‐field regimes. Traditional frameworks, such as Planck's law, are revisited alongside modern innovations like fluctuational electrodynamics. Applications span nanoscale thermal management, energy harvesting, and thermophotovoltaic systems.
Ambali Alade Odebowale +6 more
wiley +1 more source
Some completely monotonic functions involving the $q$-gamma function [PDF]
, 2010 We present some completely monotonic functions involving the $q$-gamma function that are inspired by their analogues involving the gamma function.Comment: 8 ...
Gao, Peng
core
Generalization ability of a perceptron with non-monotonic transfer function
, 1998 We investigate the generalization ability of a perceptron with non-monotonic transfer function of a reversed-wedge type in on-line mode. This network is identical to a parity machine, a multilayer network. We consider several learning algorithms.
Inoue, Jun-ichi +2 more
core +1 more source
Inter‐Layer Diffusion of Excitations in 2D Perovskites Revealed by Photoluminescence Reabsorption
Advanced Functional Materials, EarlyView.Inter‐layer diffusion of photoexcitations is monitored in thin films of the 2D perovskite (PEA)2PbI4 by tracking time‐dependent changes in photoluminescence spectra induced by photon reabsorption effects. A low out‐of‐plane excitation diffusion coefficient of 0.26 × 10−4 cm2 s−1 is determined through 1D diffusion modeling.
Jiaxing Du +7 more
wiley +1 more source
A Completely Monotonic Function Involving Divided Difference of Psi Function and an Equivalent Inequality Involving Sum [PDF]
, 2006 In this paper, a function involving the divided difference of the psi function is proved to be completely monotonic, a class of inequalities involving sum are founded, and an equivalent relation between the complete monotonicity and one of the class ...
Qi, Feng
core
Monotonicity properties of the gamma function
Applied Mathematics Letters, 2007 AbstractLet Gc(x)=logΓ(x)−xlogx+x−12log(2π)+12ψ(x+c)(x>0;c≥0). We prove that Ga is completely monotonic on (0,∞) if and only if a≥1/3. Also, −Gb is completely monotonic on (0,∞) if and only if b=0. An application of this result reveals that the best possible nonnegative constants α,β in 2πxxexp(−x−12ψ(x+α))
Alzer, Horst, Batir, Necdet
openaire +3 more sources
Scaling‐Up of Structural Superlubricity: Challenges and Opportunities
Advanced Functional Materials, EarlyView.At increasing length‐scales, structural superlubricity (SSL) faces challenges from physical and chemical energy dissipation pathways. This study reviews recent experimental and theoretical progress on these challenges facing the scaling‐up of SSL, as well as perspectives on future directions for realizing and manipulating macroscale superlubricity ...
Penghua Ying +4 more
wiley +1 more source
Advanced Functional Materials, EarlyView.EuSc₂Te₄, an antiferromagnetic semiconductor, exhibits a nonlinear Hall effect (NLHE) characterized by quadratic current–voltage behavior. Combined experimental and theoretical studies reveal that this NLHE is linked to its antiferromagnetism and involves contributions from the quantum metric.
Seng Huat Lee +15 more
wiley +1 more source
Relaxation measurements in the regime of the second magnetization peak in Nb films
, 2004 We report on magnetic measurements as a function of field, temperature and time (relaxation) in superconducting Nb films of critical temperature Tc = 9.25 K.
Abulafia +31 more
core +1 more source