Dynamic spillovers between clean energy and non-ferrous metals markets in China: A network-based analysis during the COVID-19 pandemic

J Deng, Z Xu, X Xing - Resources Policy, 2023 - Elsevier
Due to the close production link between clean energy and non-ferrous metals, their price
and market dynamics can easily affect one another through production costs. Furthermore …

Conditional attack strategy for real-world complex networks

Q Nguyen, HD Pham, D Cassi, M Bellingeri - Physica A: Statistical …, 2019 - Elsevier
When attacking a real-world complex network, the removing strategy based on recalculated
nodes betweenness centrality (Bet) is usually the best strategy for reducing the size of the …

Dynamic topology and allometric scaling behavior on the Vietnamese stock market

Q Nguyen, NKK Nguyen, LHN Nguyen - Physica A: Statistical Mechanics …, 2019 - Elsevier
The impact of the Vietnamese financial crisis during 2011–2012 into the stock market was
revealed by a structural change of the minimum spanning tree (MST) constructed from the …

New Betweenness Centrality Node Attack Strategies for Real‐World Complex Weighted Networks

Q Nguyen, NKK Nguyen, D Cassi, M Bellingeri - Complexity, 2021 - Wiley Online Library
In this work, we introduce a new node attack strategy removing nodes with the highest
conditional weighted betweenness centrality (CondWBet), which combines the weighted …

Modularity affects the robustness of scale-free model and real-world social networks under betweenness and degree-based node attack

Q Nguyen, TV Vu, HD Dinh, D Cassi… - Applied Network …, 2021 - Springer
In this paper we investigate how the modularity of model and real-world social networks
affect their robustness and the efficacy of node attack (removal) strategies based on node …

Predicting the Robustness of Large Real‐World Social Networks Using a Machine Learning Model

NKK Nguyen, Q Nguyen, HH Pham, TT Le… - …, 2022 - Wiley Online Library
Computing the robustness of a network, ie, the capacity of a network holding its main
functionality when a proportion of its nodes/edges are damaged, is useful in many real …

New nodes attack strategies for real complex weighted networks

Q Nguyen, D Cassi, M Bellingeri - arXiv preprint arXiv:2008.02139, 2020 - arxiv.org
In this work we introduce a new nodes attack strategy removing nodes with highest
conditional weighted betweenness centrality (CondWBet). We compare its efficacy with well …

Networks, Nodes, and Nebulas Navigating the Complex World of Modern Business Strategies

M Kumaresan, V Sorathiya, P Naval… - … Conference on Information …, 2023 - Springer
The complexity of today's networked ecosystems has forced businesses to develop novel
tactics if they are to survive and prosper. For navigating the complex landscape of modern …

Mining stock market time series and modeling stock price crash using a pretopological framework

NKK Nguyen, Q Nguyen, M Bui - International Conference on …, 2019 - Springer
We introduce a computational framework, namely a pretopological construct, for mining time
series of stock prices in a financial market in order to expand a set of stocks by adding …

Modeling cascading failures in stock markets by a pretopological framework

NKK Nguyen, M Bui - Vietnam Journal of Computer Science, 2021 - World Scientific
We introduce a computational framework, namely, a pretopological construct, for mining
stock prices' time series in order to expand a set of stocks by adding other stocks whose …