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We study the effect of social distancing, food vulnerability, welfare and labour COVID-19 policy responses on riots, violence against civilians and food-related conflicts. Our analysis uses georeferenced data for 24 African countries with…

Econometrics · Economics 2020-06-19 Roxana Gutiérrez-Romero

The world is becoming more globalized every day and people can buy products from almost every country in the world in their local stores. Given the different food and feed safety laws from country to country, the European Union began to…

Machine Learning · Computer Science 2022-02-16 Alberto Nogales , Rodrigo Díaz Morón , Álvaro J. García-Tejedor

Specialization is a hallmark of humans. Specialization in the real world (with imperfectly sorted partners, imperfectly calibrated supply and demand, and high failure risk) requires redundancy in relationships, which prevents specialists…

Physics and Society · Physics 2020-11-26 Curtis Atkisson , Kelly Finn

The pursuit of quality improvements and accountability in the food supply chains, especially how they relate to food-related outcomes, such as hunger, has become increasingly vital, necessitating a comprehensive approach that encompasses…

Physics and Society · Physics 2025-01-13 Bart Gajderowicz , Mark S Fox , Yongchao Gao

Predicting species persistence within ecological communities is a fundamental challenge for both empirical and theoretical ecology. Existing methods span from mechanistic models, whose parameters are difficult to estimate from data, to…

Populations and Evolution · Quantitative Biology 2026-04-30 Davide Bernardi , Giorgio Nicoletti , Prajwal Padmanabha , Samir Suweis , Sandro Azaele , Simon A. Levin , Andrea Rinaldo , Amos Maritan

Recent progresses in data-driven analysis methods, including network-based approaches, are revolutionizing many classical disciplines. These techniques can also be applied to food and nutrition, which must be studied to design healthy…

Physics and Society · Physics 2015-03-17 Seunghyeon Kim , Jaeyun Sung , Mathias Foo , Yong-Su Jin , Pan-Jun Kim

One of the most defining features of the global financial network is its inherent complex and intertwined structure. From the perspective of systemic risk it is important to understand the influence of this network structure on default…

Risk Management · Quantitative Finance 2019-12-11 Nils Detering , Thilo Meyer-Brandis , Konstantinos Panagiotou , Daniel Ritter

Social unrest may reflect a variety of factors such as poverty, unemployment, and social injustice. Despite the many possible contributing factors, the timing of violent protests in North Africa and the Middle East in 2011 as well as…

Physics and Society · Physics 2011-08-12 Marco Lagi , Karla Z. Bertrand , Yaneer Bar-Yam

We examine the impact of livelihood diversification on food insecurity amid the COVID-19 pandemic. Our analysis uses household panel data from Ethiopia, Malawi, and Nigeria in which the first round was collected immediately prior to the…

General Economics · Economics 2025-07-21 Ann M. Furbush , Anna Josephson , Talip Kilic , Jeffrey D. Michler

Public feeding programs continue to be a major source of nutrition to a large part of the population across the world. Any disruption to these activities, like the one during the Covid-19 pandemic, can lead to adverse health outcomes,…

Reliability of SLAM systems is considered one of the critical requirements in modern autonomous systems. This directed the efforts to developing many state-of-the-art systems, creating challenging datasets, and introducing rigorous metrics…

Robotics · Computer Science 2022-07-18 Islam Ali , Hong Zhang

Traditional social organizations such as those for the management of healthcare and civil defence are the result of designs and realizations that matched well with an operational context considerably different from the one we are…

Other Computer Science · Computer Science 2015-05-12 Vincenzo De Florio , Arianit Pajaziti

Food market accessibility is a critical yet underexplored dimension of food systems, particularly in low- and middle-income countries. In this paper, we present a continent-wide assessment of spatial food market accessibility in Africa,…

Background: We estimate the overall quality of response to the Covid-19 pandemic in the first 18 months, using a small number of known parameters and a proposed method that is reasonably robust to the uncertainties in the data. Methods: The…

Physics and Society · Physics 2022-05-09 Thilakam Venkatapathi , Murugesan Venkatapathi

In recent years, advanced sensors, intelligent automation, communication networks, and information technologies have been integrated into the electric grid to enhance its performance and efficiency. Integrating these new technologies has…

Systems and Control · Computer Science 2015-06-02 Reza Arghandeh , Alexandra von Meier , Laura Mehrmanesh , Lamine Mili

Sustainability is a concept mainly assessed by the features of a product that are considered as specific metrics for sustainability in an engineering context. However, sustainability is a comprehensive process for improvement in sustainable…

Physics and Society · Physics 2024-12-30 Naz Yaldiz , Amaresh Chakrabarti

Resilience curves have been the primary approach for conceptualizing and representing the resilience behavior of communities during hazard events; however, the use of resilience curves has remained as a mere conceptual and visual tool with…

Physics and Society · Physics 2023-10-03 Chia-Wei Hsu , Ali Mostafavi

Over the past decade, extreme weather events have significantly increased worldwide, leading to widespread power outages and blackouts. As these threats continue to challenge power distribution systems, the importance of mitigating the…

Systems and Control · Electrical Eng. & Systems 2023-08-16 Shuva Paul , Abodh Poudyal , Shiva Poudel , Anamika Dubey , Zhaoyu Wang

In order to face food insecurity as a global phenomenon, it is essential to rely on measurement tools that guarantee comparability across countries. Although the official indicators adopted by the United Nations in the context of the…

Applications · Statistics 2021-02-22 Federica Onori , Sara Viviani , Pierpaolo Brutti

Just like power, water and transportation systems, wireless networks are a crucial societal infrastructure. As natural and human-induced disruptions continue to grow, wireless networks must be resilient to unforeseen events, able to…

Emerging Technologies · Computer Science 2025-06-17 Mehdi Bennis