Results 71 to 80 of about 21,807,131 (299)

Predicting Materials Thermodynamics Enabled by Large Language Model‐Driven Dataset Building and Machine Learning

open access: yesAdvanced Intelligent Systems, EarlyView.
Illustration of text data mining of rare earth mineral thermodynamic parameters with the large language model‐powered LMExt. A dataset is built with mined thermodynamic properties. Subsequently, a machine learning model is trained to predict formation enthalpy from the dataset.
Juejing Liu   +6 more
wiley   +1 more source

Stability of discrete-time delayed pathogen infection models with latently infected cells

open access: yesAIP Advances, 2019
This paper studies the global stability of a class of discrete-time delayed pathogen infection models with both latently infected cells and actively infected cells.
A. M. Elaiw, M. A. Alshaikh
doaj   +1 more source

The intersection of health inequalities and COVID‐19: Evidence from National Health Insurance Big Data in South Korea

open access: yesAmerican Journal of Community Psychology, EarlyView.
Abstract Health inequalities persist along lines of income and wealth, shaped by unequal access to healthcare, differences in health behaviors, and pre‐existing chronic conditions. The COVID‐19 pandemic further put families in Korea under health strain and worsened their health outcomes.
Jaehyun Nam   +3 more
wiley   +1 more source

Exotic $U(1)$ symmetries, duality, and fractons in 3+1-dimensional quantum field theory

open access: yesSciPost Physics, 2020
We extend our exploration of nonstandard continuum quantum field theories in 2+1 dimensions to 3+1 dimensions. These theories exhibit exotic global symmetries, a peculiar spectrum of charged states, unusual gauge symmetries, and surprising dualities ...
Nathan Seiberg, Shu-Heng Shao
doaj   +1 more source

Quantum chaos for nonstandard symmetry classes in the Feingold-Peres model of coupled tops [PDF]

open access: yes, 2017
We consider two coupled quantum tops with angular momentum vectors $\mathbf{L}$ and $\mathbf{M}$. The coupling Hamiltonian defines the Feinberg-Peres model which is a known paradigm of quantum chaos.
Chaisiri Angkurawaranon (666509)   +5 more
core   +5 more sources

Nonstandard Models and Optimization

open access: yes, 2008
This is an overview of a few possibilities that are open by model theory in applied mathematics. Most attention is paid to the present state and frontiers of the Cauchy method of majorants, approximation of operator equations with finite-dimensional analogs, and the Lagrange multiplier principle in multiobjective decision making.
openaire   +3 more sources

Nonstandard Mathematical Model for Fatigue Failure [PDF]

open access: yesAdvanced Engineering Forum, 2015
Tests performed under simulated regime, use simulating tools with different structures and often have a corresponding physical test to complete certain conclusions in order to explain complex phenomena that are difficult, impossible, or very costly to run physically.
Petru Cardei   +5 more
openaire   +1 more source

Neurodevelopmental and Psychiatric Studies in Children and Adolescents With Neurofibromatosis Type I: A Comprehensive Scoping Review

open access: yesAmerican Journal of Medical Genetics Part B: Neuropsychiatric Genetics, EarlyView.
ABSTRACT A comprehensive synthesis of the broad range of neurodevelopmental and psychiatric manifestations in NF1 is needed to identify knowledge gaps and future directions for NF1 research. In the following scoping review, we identify and summarize the scope of research that examines neurodevelopmental and psychiatric manifestations, both as ...
Meera Chopra   +5 more
wiley   +1 more source

Underemployment and Job Quality Among Young Australians: A Gendered Analysis Using the HILDA Survey (2009–2022)

open access: yesAustralian Journal of Social Issues, EarlyView.
ABSTRACT Over almost two decades, young people's employment opportunities have been significantly impacted by events like the Global Financial Crisis (2008–2009) and the COVID‐19 pandemic (2020‐). Thus, underemployment has become a more pervasive and persistent feature of young people's labour market experiences. This research focuses on three forms of
Brendan Churchill
wiley   +1 more source

Stability of discrete-time HIV dynamics models with three categories of infected CD4+ T-cells

open access: yesAdvances in Difference Equations, 2019
This paper studies the global stability of two discrete-time HIV infection models. The models integrate (i) latently infected cells, (ii) long-lived chronically infected cells and (iii) short-lived infected cells.
A. M. Elaiw, M. A. Alshaikh
doaj   +1 more source

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