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Seeding Cores: A Pathway for Nuclear Star Clusters from Bound Star Clusters in the First Billion Years

Fred Angelo Batan Garcia, Massimo Ricotti, Kazuyuki Sugimura • The Open Journal of Astrophysics (2025)

We model the formation of star clusters in a dwarf galaxy progenitor during the first 700 Myr of cosmic history using a cosmological radiation-hydrodynamic simulation with a sub-grid star formation efficiency (SFE) model calibrated from AU-...

DOAJ Open Access (DOAJ) DOI: 10.33232/001c.145064

White dwarf + M dwarf Detached Binaries in Long Period Radio Transients: Observed Binary Parameters, Evolution, and Population Constraints

Antonio Rodriguez, Kareem El-Badry, Iris de Ruiter, Kaustubh Rajwade et al. • The Open Journal of Astrophysics (2026)

Long period radio transients (LPTs) are the slowest radio-pulsing sources ever found, with the current population spanning periods of seven minutes to over six hours. Two of the thirteen published LPTs, ILT J1101+5521 and GLEAM-X J0704--37,...

DOAJ Open Access (DOAJ) DOI: 10.33232/001c.167716

D-brane and exponential potentials inspire warm inflation and swampland conjecture

Shama Sadiq, Nadeem Azhar, N. Myrzakulov, S. Toktarbay et al. • Nuclear Physics B (2025)

This research explores the rapid expansion period of the early universe by applying the Chaplygin gas model, an alternative cosmological framework, to analyze the dynamics of inflationary processes. This study assesses the compatibility of ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nuclphysb.2025.116981

Magnetic Reconnection–driven Energization of Protons up to ∼400 keV at the Near-Sun Heliospheric Current Sheet

M. I. Desai, J. F. Drake, T. Phan, Z. Yin et al. • The Astrophysical Journal Letters (2025)

We report observations of direct evidence of energetic protons being accelerated above ∼400 keV within the reconnection exhaust of a heliospheric current sheet (HCS) crossing by NASA’s Parker Solar Probe (PSP) at a distance of ∼16.25 solar ...

DOAJ Open Access (DOAJ) DOI: 10.3847/2041-8213/ada697

An Introduction to Modern Astrophysics

Bradley W. Carroll, Dale A. Ostlie • Cambridge University Press eBooks (2017)

An Introduction to Modern Astrophysics is a comprehensive, well-organized and engaging text covering every major area of modern astrophysics, from the solar system and stellar astronomy to galactic and extragalactic astrophysics, and cosmol...

OPENALEX DOI: https://doi.org/10.1017/9781108380980

Analytically Computing the Moments of a Conic Combination of Independent Noncentral Chi-Square Random Variables and Its Application for the Extended Cox–Ingersoll–Ross Process with Time-Varying Dimension

Sanae Rujivan, Athinan Sutchada, Kittisak Chumpong, Napat Rujeerapaiboon • Mathematics (2023)

This paper focuses mainly on the problem of computing the γth, γ>0, moment of a random variable Yn:=∑i=1nαiXi in which the αi’s are positive real numbers and the Xi’s are independent and distributed according to noncentral chi-square distri...

DOAJ Open Access (DOAJ) DOI: 10.3390/math11051276

Dynamic analysis of the economic effects of population structural changes in the coming decades of Iran (with emphasis on the role of women)

Omran Gheisar, Sima Eskandari Sabzi, ali salmanpour, Seyed Yosef Hajiasghari • زن در توسعه و سیاست (2024)

The trend of population growth in the last three decades will cause extensive changes in the age structure of Iran's population. So that it can be one of the most important challenges of the country in the coming decades. This development w...

DOAJ Open Access (DOAJ) DOI: 10.22059/jwdp.2023.362558.1008358

Effects of long-term exposure to air pollutant mixture on blood pressure in typical areas of North China

Qihang Liu, Li Pan, Huijing He, Yaoda Hu et al. • Ecotoxicology and Environmental Safety (2024)

Background: Studies about the combined effects of gaseous air pollutants and particulate matters are still rare. Objectives: This study was performed based on baseline survey of the Diverse Life-Course Cohort in the Beijing-Tianjin-Hebei (B...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.ecoenv.2024.116987

Enhancing Psychiatry Training Using an Agentic AI Simulated Consultation Tool: Prospective Cohort Study

Alice Rueda, Huda F Al-Shamali, Zack Cote, Niloy Roy et al. • JMIR Medical Education (2026)

Abstract BackgroundCanadian psychiatry residents must demonstrate consultation competency, assessed using the standardized assessment of a clinical encounter report (STACER). However, opportunities to practice these skills and r...

DOAJ Open Access (DOAJ) DOI: 10.2196/88580

Evaluation of the implementation of International Classification of Diseases, 11th revision for morbidity coding: Rationale and study protocol

Reza Golpira, Zahra Azadmanjir, Javad Zarei, Nasim Hashemi et al. • Informatics in Medicine Unlocked (2021)

International Statistical Classification of Diseases and Related Health Problems, 10th Revision (ICD-10) has been used for many years in many countries to manage health information. The World Health Organization (WHO) will soon replace ICD-...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.imu.2021.100668

Statistics with Confidence

Michael J. Smithson • SAGE Publications Ltd eBooks (2000)

Uncertainty and Psychological Research Variables and Measurement Exploring, Describing, Displaying and Summarizing Research Design and Probability Sampling Distributions and Confidence Intervals Statistical Models and Significance Tests Pre...

OPENALEX DOI: https://doi.org/10.4135/9781446218525

Data resource profile: a nationally representative linked pregnancy cohort in Canada integrating clinical, social, and environmental data

Sabrina Chiodo, Sonia M. Grandi, Jessica Gronsbell, Laura C. Rosella • International Journal of Population Data Science (2026)

Introduction Perinatal outcomes are shaped by clinical, social, and environmental factors, yet Canada lacks a nationally representative pregnancy cohort capturing these influences at the individual-level. This gap has limited the ability to...

DOAJ Open Access (DOAJ) DOI: 10.23889/ijpds.v8i6.3358

Development and validation of an online dynamic nomogram based on the atherogenic index of plasma to screen nonalcoholic fatty liver disease

Hewei Peng, Junchao Zhang, Xianhua Huang, Miao Xu et al. • Lipids in Health and Disease (2023)

Abstract Background Nonalcoholic fatty liver disease (NAFLD), a common liver disease worldwide, can be reversed early in life with lifestyle and medical interventions. This study aimed to develop a noninvasive tool to screen NAFLD accuratel...

DOAJ Open Access (DOAJ) DOI: 10.1186/s12944-023-01808-0

A Model of Social Distancing for Interacting Age-Distributed Multi-Populations: An Analysis of Students’ In-Person Return to Schools

A. C. F. N. Gomes, A. De Cezaro • Trends in Computational and Applied Mathematics (2022)

Because of the current scenario of the SARS-CoV-2 (COVID-19) pandemic in Brazil, whose vaccination campaign is in the initial stage, government authorities have pointed out towards the complete reopening of the economy. And recently for the...

DOAJ Open Access (DOAJ) DOI: 10.5540/tcam.2022.023.04.00655

INTRODUCTORY STATISTICS

Daniel J. Denis • Wiley eBooks (2021)

There are numerous probability distributions or density functions. Empirical distributions rarely go by the name of densities. The normal density has figured prominent in the history of statistics largely because it serves as a useful model...

OPENALEX DOI: https://doi.org/10.1002/9781119583004.ch2