Results 151 to 160 of about 1,517,214 (350)

Compound Heterozygous Variants in ZSWIM7 Gene Linked to Infertility and Its Role in Gonadal Development

open access: yesAmerican Journal of Medical Genetics Part A, EarlyView.
ABSTRACT This study aims to elucidate the role of the ZSWIM7 gene in the etiology of infertility, focusing on its potential association with premature ovarian insufficiency and azoospermia. We investigated an 18‐year‐old female patient who presented with primary amenorrhea, hypoplasia of the uterus and ovaries, Tanner stage II breast and pubic hair ...
Denise M. Christofolini   +8 more
wiley   +1 more source

Aircraft Flight Autonomous Decision-Making Method Based on Target Predicted Trajectory and Markov Decision Process

open access: yesActuators
In this paper, in order to enhance the autonomous operation capabilities of aircraft and ensure their operational safety and efficiency, we propose an autonomous decision-making framework based on target motion state prediction combined with the Markov ...
Yang Zhou, Xinmin Tang, Xuanming Ren
doaj   +1 more source

Steady state availability general equations of decision and sequential processes in Continuous Time Markov Chain models [PDF]

open access: yesarXiv, 2017
Continuous Time Markov Chain (CMTC) is widely used to describe and analyze systems in several knowledge areas. Steady state availability is one important analysis that can be made through Markov chain formalism that allows researchers generate equations for several purposes, such as channel capacity estimation in wireless networks as well as system ...
arxiv  

Phosphatemia is an Independent Prognostic Factor in Amyotrophic Lateral Sclerosis

open access: yesAnnals of Neurology, EarlyView.
Objective The objective of this study was to evaluate the prognostic value of several muscle damage biomarkers. Methods Data from Piemonte and Valle d'Aosta Amyotrophic Lateral Sclerosis (PARALS) were considered for this study. Survival was defined as the time from diagnosis to death, tracheostomy, or the censoring date.
Rosario Vasta   +18 more
wiley   +1 more source

Research on constellation fault satellite replacement strategy based on Markov decision process

open access: yesHangkong gongcheng jinzhan
With the decrease of the importance of single satellite caused by the large-scale constellation,multiple replacement methods and the retention of faulty satellites should be considered when formulating the replacement strategy of faulty satellites.
LIN Ruoyu   +4 more
doaj   +1 more source

Early transplantation maximizes survival in severe acute-on-chronic liver failure: Results of a Markov decision process model. [PDF]

open access: yesJHEP Rep, 2021
Zhang S   +9 more
europepmc   +1 more source

The existence of optimal control for continuous-time Markov decision processes in random environments [PDF]

open access: yesarXiv, 2019
In this work, we investigate the optimal control problem for continuous-time Markov decision processes with the random impact of the environment. We provide conditions to show the existence of optimal controls under finite-horizon criteria. Under appropriate conditions, the value function is continuous and satisfies the dynamic programming principle ...
arxiv  

Stochastic Hydrodynamic Velocity Field and the Representation of Langevin Equations

open access: yesAnnalen der Physik, EarlyView.
A lumped method is proposed to account for both mean‐field hydrodynamics and stochastic fluctuations within the kinematic equations of motion, providing a regularized formulation of the overdamped approximation. The concept of stochastic realizability in broad sense is introduced based on the spectral properties of the Fredholm operator associated with
Massimiliano Giona   +2 more
wiley   +1 more source

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