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Not All Sub-Neptune Exoplanets Have Magma Oceans

Bodie Breza, Matthew C. Nixon, Eliza M.-R. Kempton • The Astrophysical Journal Letters (2025)

The evolution and structure of sub-Neptunes may be strongly influenced by interactions between the outer gaseous envelope of the planet and a surface magma ocean. However, given the wide variety of permissible interior structures of these p...

DOAJ Open Access (DOAJ) DOI: 10.3847/2041-8213/ae0c07

SN 2023ixf in M101: Physical Parameters from Bolometric Light Curve Modeling

József Vinkó, Zsófia Réka Bodola, Ákos Gődény, Szelina Fruzsina Csák et al. • The Astrophysical Journal (2025)

We present new photometric observations of the core-collapse supernova SN 2023ixf occurred in M101, taken with the RC 80 and BRC80 robotic telescopes in Hungary. The initial nickel mass from the late-phase bolometric light curve extending u...

DOAJ Open Access (DOAJ) DOI: 10.3847/1538-4357/ae0614

Digital Transformation and Climate ChangeAwareness: Mediated Impact on Financial Performance via Green Technology SMEs

Dinda Fatmah, Mirhamida Rahmah, Yusriyah Rahmah, Zakiyah Zulfa Rahmah et al. • International Journal of Islamic Business and Economics (IJIBEC) (2025)

This study investigates the direct and indirect effects of digital transformation and climate change awareness on SME financial performance, with green technology adoption serving as a mediating variable. Drawing from stakeholder theory and...

DOAJ Open Access (DOAJ) DOI: 10.28918/ijibec.v9i1.10205

Modified Block Homotopy Perturbation Method for solving triangular linear Diophantine fuzzy system of equations

Mudassir Shams, Nasreen Kausar, Naveed Khan, Mohd Asif Shah • Advances in Mechanical Engineering (2023)

Numerous real-world applications can be solved using the broadly adopted notions of intuitionistic fuzzy sets, Pythagorean fuzzy sets, and q-rung orthopair fuzzy sets. These theories, however, have their own restrictions in terms of members...

DOAJ Open Access (DOAJ) DOI: 10.1177/16878132231159519

Unraveling the airline value creation network with fuzzy cognitive maps

Francisco J Navarro-Meneses • International Journal of Engineering Business Management (2022)

The creation of value is a critical factor that determines the competitive capacity of firms and their ability to survive. Notwithstanding its importance, value creation usually becomes a fuzzy concept that is difficult to grasp, especially...

DOAJ Open Access (DOAJ) DOI: 10.1177/18479790221124641

Islamic Financial Literacy and Sustainable Financial Performance: The Mediating Role of Green Banking

Niken Fakhili, Muyassarah, Mardhiyaturrositaningsih • Sriwijaya International Journal of Dynamic Economics and Business (2026)

This study examines the effect of Islamic financial literacy on sustainable financial performance, with green banking as a mediating variable in Islamic banking institutions in Semarang City, Indonesia. A quantitative approach was employed ...

DOAJ Open Access (DOAJ) DOI: 10.29259/sijdeb.v10i3.265-288

BRIDGING GENDER GAPS IN TOURISM: EXPLORING WOMEN’S EMPOWERMENT AND ITS IMPACT ON SUSTAINABLE TOURISM DEVELOPMENT

Cheng-Wen LEE, Idris IDRIS, Ping Hung CHEN • Geo Journal of Tourism and Geosites (2026)

Tourism plays a vital role in driving economic growth and community development. The active participation of diverse social groups is essential to achieving sustainable tourism. However, the persistence of patriarchal norms continues to h...

DOAJ Open Access (DOAJ) DOI: 10.30892/gtg.662spl33-1794

Integrating sensor data and GAN-based models to optimize medical university distribution: a data-driven approach for sustainable regional growth in Saudi Arabia

Abdullah Addas, Abdullah Addas, Muhammad Nasir Khan, Muhammad Tahir et al. • Frontiers in Education (2025)

IntroductionThe regional disparity in higher education access can only be met when there are strategies for sustainable development and diversification of the economy, as envisioned in Saudi Vision 2030. Currently, 70% of universities are c...

DOAJ Open Access (DOAJ) DOI: 10.3389/feduc.2025.1527337

TRENDS IN UKRAINE'S INVESTMENT ATTRACTIVENESS IN THE CONTEXT OF THE COVID-19 PANDEMIC

Hryhoruk Pavlo, Valkova Olena • International Journal of Innovative Technologies in Economy (2021)

The country's investment attractiveness is one of the determining factors in attracting investment into the economy. The study emphasizes the relevance of research in this area. The article considers the dynamics of foreign direct investmen...

DOAJ Open Access (DOAJ) DOI: 10.31435/rsglobal_ijite/30122021/7743

CSR Assessment Model

Serafimova, Desislava • Journal of Emerging Trends in Marketing and Management (2016)

The opportunities for measuring, assessing and reporting socially responsible practices are a relevant issue for modern business. They are studied by international organizations, research groups, scientists and practitioners who use various...

DOAJ Open Access (DOAJ)

Spatiotemporal Speed Planning for Multi-Vehicle Cooperative Driving With Dynamic Following Relationships

Liuda Yi, Liguo Zang, Haiyan Sun, Yuxing Bai et al. • IEEE Open Journal of Intelligent Transportation Systems (2026)

In Autonomous Valet Parking scenarios, multiple vehicles operate cooperatively in low-speed environments where the leading-vehicle constraint may be dynamically reconstructed due to path transitions. Under such conditions, conventional spee...

DOAJ Open Access (DOAJ) DOI: 10.1109/OJITS.2026.3747268

3D NUMERICAL MODEL FOR TERRITORIAL RISK ASSESMENT AFTER TERRORIST ACT

M. M. Biliaiev, I. V. Kalashnikov, I. V. Klimenko, V. A. Kozachyna • Nauka ta progres transportu (2018)

Purpose. A goal of the work is development of 3D numerical model for a territorial risk assessment in a case of a terrorist attack with usage of a chemical agent. Methodology. To describe the process of chemical agent dispersion in the atmo...

DOAJ Open Access (DOAJ) DOI: 10.15802/stp2018/133431

Estimation for Two-Dimensional Nonsymmetric Coherently Distributed Source in L-Shaped Arrays

Tao Wu, Zhenghong Deng, Qingyue Gu, Jiwei Xu • International Journal of Antennas and Propagation (2018)

We explore the estimation of a two-dimensional (2D) nonsymmetric coherently distributed (CD) source using L-shaped arrays. Compared with a symmetric source, the modeling and estimation of a nonsymmetric source are more practical. A nonsymme...

DOAJ Open Access (DOAJ) DOI: 10.1155/2018/5247919

Low-carbon urban transportation: Optimizing mechanical systems for sustainable electric bus and BRT deployment in Kampala

Ismail Kimuli, John Baptist Kirabira • Transportation Engineering (2026)

Kampala faces increasing congestion, air pollution, and dependence on fossil fuels, driven by widespread reliance on diesel minibuses and motorcycle taxis. Existing models—KAMPALA-TIMES, KLAP-TIMES, and GKMA-TIMES–CGE—show strong potential ...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.treng.2025.100417

Digital Twin Technology for Prefabricated Assembly Superimposed Station Based on BIM + IoT Integration

Ling LE, Linhai LU, Xiaojun LI, Yanyun LYU et al. • Chengshi guidao jiaotong yanjiu (2026)

ObjectiveCompared with traditional concrete construction, the application of prefabricated assembly construction based on digital twin technology in urban rail transit station construction can effectively ensure component production quality...

DOAJ Open Access (DOAJ) DOI: 10.16037/j.1007-869x.20240069