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Sequential decision analysis for nonstationary stochastic processes [PDF]
, 1974 A formulation of the problem of making decisions concerning the state of nonstationary stochastic processes is given. An optimal decision rule, for the case in which the stochastic process is independent of the decisions made, is derived.
B. Schaefer
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A clustering method for small scRNA-seq data based on subspace and weighted distance [PDF]
PeerJ, 2023 Background Identifying the cell types using unsupervised methods is essential for scRNA-seq research. However, conventional similarity measures introduce challenges to single-cell data clustering because of the high dimensional, high noise, and high ...
Zilan Ning +4 more
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Scientific Reports, 2023 Air transport has been identified as one of the primary means whereby COVID-19 spread throughout Europe during the early stages of the pandemic. In this paper we analyse two categories of methods – dynamic network markers (DNMs) and network analysis ...
Ángel Fragua +2 more
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ConvGraph: Community Detection of Homogeneous Relationships in Weighted Graphs
Mathematics, 2021 This paper proposes a new method, ConvGraph, to detect communities in highly cohesive and isolated weighted graphs, where the sum of the weights is significantly higher inside than outside the communities.
Héctor Muñoz +4 more
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A Stochastic Bilevel DEA-Based Model for Resource Allocation
Computer Sciences & Mathematics Forum, 2023 The optimal allocation of limited resources along with output target setting are critical in pursuing the sustainability and competitiveness of organizations.
Eleni-Maria Vretta +4 more
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Generalized SEIR Epidemic Model for COVID-19 in a Multipatch Environment
Discrete Dynamics in Nature and Society, 2021 In this paper, an n-patch SEIR epidemic model for the coronavirus disease 2019 (COVID-19) is presented. It is shown that there is unique disease-free equilibrium for this model. Then, the dynamic behavior is studied by the basic reproduction number.
Lan Meng, Wei Zhu
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Energies, 2022 More than half of the world’s population live in cities, and by 2050, it is expected that this proportion will reach almost 68%. These densely populated cities consume more than 75% of the world’s primary energy and are responsible for the emission of ...
Sajad Aliakbari Sani +7 more
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Egyptian Informatics Journal, 2022 Designing appropriate similarity metrics (distance) and estimating the optimal number of clusters have been two important issues in cluster analysis. This study proposed an improved k-means clustering algorithm involving a Weighted Distance and a novel ...
Zilan Ning +5 more
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Differences in the dynamics of community disaster resilience across the globe
Scientific Reports, 2021 The consideration of disaster resilience as a multidimensional concept provides a viable and promising way forward for reducing risk and minimizing impacts today and in the future. What is missing is the understanding of the actual dynamics of resilience
Stefan Hochrainer-Stigler +6 more
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Event-triggered distributed optimization of multi-agent systems with time delay
Mathematical Biosciences and Engineering, 2023 In this article, the distributed optimization based on multi-agent systems was studied, where the global optimization objective of the optimization problem is a convex combination of local objective functions.
Run Tang , Wei Zhu, Huizhu Pu
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