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Completely monotonic degree of a function involving trigamma and tetragamma functions [PDF]

open access: yesAIMS Mathematics, 2020
Let $\psi(x)$ be the digamma function. In the paper, the author reviews backgrounds and motivations to compute complete monotonic degree of the function $\Psi(x)=[\psi'(x)]^2+\psi''(x)$ with respect to $x\in(0,\infty)$, confirms that completely monotonic
Feng Qi
doaj   +2 more sources

Monotonicity and complete monotonicity of some functions involving the modified Bessel functions of the second kind [PDF]

open access: diamondComptes Rendus. Mathématique, 2023
In this paper, we introduce some monotonicity rules for the ratio of integrals. Furthermore, we demonstrate that the function $-T_{\nu ,\alpha ,\beta }(s)$ is completely monotonic in $s$ and absolutely monotonic in $\nu $ if and only if $\beta \ge 1 ...
Mao, Zhong-Xuan, Tian, Jing-Feng
doaj   +2 more sources

A function class of strictly positive definite and logarithmically completely monotonic functions related to the modified Bessel functions [PDF]

open access: green, 2018
In this paper, we give some conditions for a class of functions related to Bessel functions to be positive definite or strictly positive definite. We present some properties and relationships involving logarithmically completely monotonic functions and ...
Jamel El Kamel, Khaled Mehrez
openalex   +3 more sources

Decreasing and complete monotonicity of functions defined by derivatives of completely monotonic function involving trigamma function [PDF]

open access: goldDemonstratio Mathematica
In this study, using convolution theorem of the Laplace transforms, a monotonicity rule for the ratio of two Laplace transforms, Bernstein’s theorem for completely monotonic functions, and other analytic techniques, the authors verify decreasing property
Yin Hong-Ping, Han Ling-Xiong, Qi Feng
doaj   +2 more sources

Non‐Monotonic Ion Conductivity in Lithium‐Aluminum‐Chloride Glass Solid‐State Electrolytes Explained by Cascading Hopping [PDF]

open access: yesAdvanced Science
Inorganic glass solid‐state electrolytes (IGSSEs) exhibit superionic conductivity at ambient temperature. Understanding their ion conduction mechanism remains challenging but is essential for the development of next‐generation all‐solid‐state batteries ...
Beomgyu Kang   +4 more
doaj   +2 more sources

Monotonicity and positivity of several functions involving ratios and products of polygamma functions [PDF]

open access: goldJournal of Inequalities and Applications
Let ψ ( x ) $\psi (x)$ denote the digamma function, that is, the logarithmic derivative of the classical Euler gamma function Γ ( x ) $\Gamma (x)$ . In the paper, the authors discover the monotonic properties of the functions ψ ( n ) ( x ) x ψ ( n + 1 ) (
Feng Qi, Dongkyu Lim, Kwara Nantomah
doaj   +2 more sources

Artificial non-monotonic neurons based on nonvolatile anti-ambipolar transistors [PDF]

open access: yesNature Communications
Non-monotonic neurons integrate monotonic input into a non-monotonic response, effectively improving the efficiency of unsupervised learning and precision of information processing in peripheral sensor systems.
Yue Pang   +5 more
doaj   +2 more sources

ReMIX: Regret Minimization for Monotonic Value Function Factorization in Multiagent Reinforcement Learning [PDF]

open access: yesarXiv.org, 2023
Value function factorization methods have become a dominant approach for cooperative multiagent reinforcement learning under a centralized training and decentralized execution paradigm.
Yongsheng Mei, Hanhan Zhou, Tian Lan
semanticscholar   +1 more source

Constrained Monotonic Neural Networks [PDF]

open access: yesInternational Conference on Machine Learning, 2022
Wider adoption of neural networks in many critical domains such as finance and healthcare is being hindered by the need to explain their predictions and to impose additional constraints on them.
D. Runje, Sharath M. Shankaranarayana
semanticscholar   +1 more source

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