Reset
Showing 20 of 1,992 academic articles

Ergosphere and shadow of a rotating regular black hole

Sushant G. Ghosh, Muhammed Amir, Sunil D. Maharaj • Nuclear Physics B (2020)

The spacetime singularities in classical general relativity predicted by the celebrated singularity theorems are formed at the end of gravitational collapse. Quantum gravity is the expected theory to resolve the singularity problem but we a...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.nuclphysb.2020.115088

Enhanced conformal BMS3 symmetries

Oscar Fuentealba, Iva Lovrekovic, David Tempo, Ricardo Troncoso • Journal of High Energy Physics (2025)

Abstract An enhanced version of the conformal BMS3 algebra is presented. It is shown to emerge from the asymptotic structure of an extension of conformal gravity in 3D by Pope and Townsend that consistently accommodates an additional spin-2...

DOAJ Open Access (DOAJ) DOI: 10.1007/JHEP04(2025)054

Computational analysis of visible frequency plasmonic properties of graphene on wide band gap heterostructures

Muhammad Qamar, Ghulam Abbas, Meiyong Liao, Satoshi Koizumi et al. • Scientific Reports (2026)

Abstract Control over plasmonic properties and local electric field enhancement has become an essential aspect of many modern technologies. Here we investigate these phenomena in graphene / hexagonal boron nitride (G/h-BN) heterostructures ...

DOAJ Open Access (DOAJ) DOI: 10.1038/s41598-026-40039-y

Phosphopeptide binding to the N-SH2 domain of tyrosine phosphatase SHP2 correlates with the unzipping of its central β-sheet

Michelangelo Marasco, John Kirkpatrick, Teresa Carlomagno, Jochen S. Hub et al. • Computational and Structural Biotechnology Journal (2024)

SHP2 is a tyrosine phosphatase that plays a regulatory role in multiple intracellular signaling cascades and is known to be oncogenic in certain contexts. In the absence of effectors, SHP2 adopts an autoinhibited conformation with its N-SH2...

DOAJ Open Access (DOAJ) DOI: 10.1016/j.csbj.2024.02.023

Fitness-based models and pairwise comparison models of evolutionary games are typically different—even in unstructured populations

Bin Wu, Benedikt Bauer, Tobias Galla, Arne Traulsen • New Journal of Physics (2015)

The modeling of evolutionary game dynamics in finite populations requires microscopic processes that determine how strategies spread. The exact details of these processes are often chosen without much further consideration. Different types ...

DOAJ Open Access (DOAJ) DOI: 10.1088/1367-2630/17/2/023043

Review of Supramolecular Oleogel Lubricants

Lei Wei, Minghui Xiong, Haoye Wang, Yuelin Chen et al. • Gels (2026)

Supramolecular oleogel lubricants construct a three-dimensional network structure within base oils through gelator-mediated non-covalent interactions, such as hydrogen bonding, van der Waals forces, and π–π stacking. These materials demonst...

DOAJ Open Access (DOAJ) DOI: 10.3390/gels12040338

Do China State-Level Economic and Technological Development Zones Have a Positive Effect on Regional Total Factor Productivity? A Perspective Based on the Moderating Effect of Transportation Infrastructure

Mengshang Liang, Changxin Xu, Mingxian Li, Yang Lu • Systems (2025)

With the deceleration of China’s economic growth, the crude economic model will progressively diminish in its competitive edge, thereby posing challenges for state-level economic and technological development zones (ETDZs) in terms of trans...

DOAJ Open Access (DOAJ) DOI: 10.3390/systems13080620

Supply chain management and lean concept in construction: a case of Ghanaian building construction industry

Boateng Ali • Organization, Technology and Management in Construction: An International Journal (2019)

Supply chain management (SCM), for the past two decades, has been identified by manufacturing industries as a new way of doing business. Construction, similar to manufacturing and other services industries, is experiencing emerging trends t...

DOAJ Open Access (DOAJ) DOI: 10.2478/otmcj-2019-0010

Climate change adaptation in agriculture food supply chains: a bibliometric and content analysis

Rahmanwali Sahar, Munjiati Munawaroh, Jawidullah Iqbal • Discover Sustainability (2025)

Abstract This study explores the intellectual development and research landscape surrounding climate change adaptation in agricultural food supply chains through a combined bibliometric and content analysis. The primary objective is to map ...

DOAJ Open Access (DOAJ) DOI: 10.1007/s43621-025-02105-9

An agent-based modeling framework for the design of a dynamic closed-loop supply chain network

Ayşegül Bozdoğan, Latife Görkemli Aykut, Neslihan Demirel • Complex & Intelligent Systems (2022)

Abstract The supply chain is a dynamic and uncertain system consisting of material, information, and fund flows between different organizations, from the acquisition of the raw materials to the delivery of the finished products to the end c...

DOAJ Open Access (DOAJ) DOI: 10.1007/s40747-022-00780-z

A Meta Analysis of Sustainable Supply Chain Management from Different Aspects

Vinay Kumar sharma, Anish Sachdeva, Lakhwinder Pal Singh • International Journal of Supply and Operations Management (2021)

In recent times there is surge in the sustainable supply chain field. The focus of the present work is targeted towards viewing the major aspects of SSCM by focusing towards SSCM through the lens of meta-analysis by performing a structured ...

DOAJ Open Access (DOAJ) DOI: 10.22034/ijsom.2021.3.4

Conservation and Preservation for Endangered Mangrove Species: Comprehensive Case Study of Swamp Forest on North Coast Area of Malaysia

Mona Fairuz Ramli, Ahmad Shabudin Ariffin, Marziah Zahar, Aizat Md Sin et al. • Ilmu Kelautan (2022)

Mangrove forests are special type of coastal ecosystem characterized by their adaptations that enable plants to thrive in saline soil. Despite accounting for only about 1% of global forest coverage, mangroves are keystone ecosystems that pr...

DOAJ Open Access (DOAJ) DOI: 10.14710/ik.ijms.27.4.297-306

Analysis of Supply Chain Risks in Concrete Dam Construction

Mohammad Mirzaahmadi, Hamed Sarkardeh, Ali Katebi, Ayda Mirzaahmadi • Journal of Hydraulic Structures (2025)

This study identifies 35 risks related to the supply chain of concrete dams, of which 25 were selected as critical risks using the Delphi method. Risks were categorized into three groups based on their sources including environmental, netwo...

DOAJ Open Access (DOAJ) DOI: 10.22055/jhs.2025.48099.1324

Leveraging AI to optimize vaccines supply chain and logistics in Africa: opportunities and challenges

Sulaiman Muhammad Musa, Usman Abubakar Haruna, Lukman Jibril Aliyu, Mubarak Zubairu et al. • Frontiers in Pharmacology (2025)

Examining the current situation of the vaccine supply chain in Africa, the article highlights the importance of AI technologies while outlining the prospects and problems in vaccine supply chain management in Africa. Despite the significanc...

DOAJ Open Access (DOAJ) DOI: 10.3389/fphar.2025.1531141

Evaluation of artificial intelligence technology success factors for an effective supply chain using interval-valued intuitionistic fuzzy AHP method

Gülçin Büyüközkan, Celal Alpay Havle • Afyon Kocatepe Üniversitesi İktisadi ve İdari Bilimler Fakültesi Dergisi (2026)

The increasing complexity of supply chains in today's globalizing world has increased the importance of effective supply chain management. Consequently, businesses increasingly rely on new technologies to maintain flexibility, efficiency, a...

DOAJ Open Access (DOAJ) DOI: 10.33707/akuiibfd.1689304