OIZUMI Ryo Senior Researcher
Department of International Research and Cooperation
Updated: 24 May 2023
Research Field
- Mathematical Demography
- Mathematical Biology
Research Project
- Theory and Analysis for population decline society by using generalized Leslie matrix (JSPS 2020-2023)
External Activities
Academic Society
Population Association of Japan
Japanese Society for Mathematical Biology
The Society of Population Ecology
Publications
・Population Dynamics Based on Individual Stochasticity Ryo Oizumi SpringerBriefs in Population Studies, Springer Singapore,Softcover ISBN:978-981-19-3547-3,eBook ISBN
978-981-19-3548-0, DOI: 10.1007/978-981-19-3548-0 (2022)
・「Sensitivity analysis on the declining population in Japan: Effects of prefecture-specific fertility and interregional migration」Oizumi Ryo,Inaba Hisashi, Takada Takenori, Enatsu Youichi, Kinjo Kensaku PloS One, Public Library of Science, DOI: 10.1371/journal.pone.0273817(2022), (peer-reviewed)
・「Evolution of heterogeneity under constant and variable environments」Oizumi Ryo,Inaba Hisashi, PloS One, Public Library of Science, DOI: 10.1371/journal.pone.0257377(2021), (peer-reviewed)
・「Reconsideration of r/K Selection Theory Using Stochastic Control Theory and Nonlinear Structured Population Models」Oizumi Ryo,Kuniya Toshikazu, Enatsu Youichi, PloS One, Public Library of Science, DOI: 10.1371/journal.pone.0157715(2016), (peer-reviewed)
・「Existence result for an age-structured SIS epidemic model with spatial diffusion」 Kuniya Toshikazu, Oizumi Ryo, Nonlinear Analysis: Real World Applications, Elsevier, Volume 23, pp 196-208 (2015), (peer-reviewed)
・「Unification Theory of Optimal Life Histories and Linear Demographic Models in Internal Stochasticity」Oizumi Ryo, PloS One,DOI:10.1371/journal.pone.0098746(2014), (peer-reviewed)
・「Optimal life schedule with stochastic growth in age-size structured models: Theory and an application」Oizumi Ryo, Takada Takenori Journal of Theoretical Biology,Elsevier, Volume 323,pp76-89(2013), (peer-reviewed)
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