Stochastic link capacity degradations are common phenomena in transport network which can cause travel time variations and further can affect travelers' daily route choice behaviors. This paper formulates a deterministic dynamic model, to capture the day-to-day (DTD) flow evolution process in the presence of degraded link capacity degradations. The aggregated network flow dynamics are driven by travelers' study of uncertain travel time and their choice of risky routes. This paper applies the exponential-smoothing filter to describe travelers' study of travel time variations, and meanwhile formulates risk attitude parameter updating equation to reflect travelers' endogenous risk attitude evolution schema. In addition, this paper conducts theoretical analyses to investigate several significant mathematical characteristics implied in the proposed DTD model, including fixed point existence, uniqueness, stability and irreversibility. Numerical experiments are used to demonstrate the effectiveness of the DTD model and verify some important dynamic system properties.
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http://www.ncbi.nlm.nih.gov/pmc/articles/PMC5154563 | PMC |
http://journals.plos.org/plosone/article?id=10.1371/journal.pone.0168241 | PLOS |
Transplant Direct
February 2025
Division of Transplantation, Department of Surgery, University of Iowa School of Medicine, Iowa City, IA.
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AIDS Behav
January 2025
Center for AIDS Intervention Research, Department of Psychiatry and Behavioral Medicine, Medical College of Wisconsin, 2153 N. Dr. Martin Luther King Jr. Dr., Milwaukee, WI, 53212, USA.
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View Article and Find Full Text PDFNihon Koshu Eisei Zasshi
January 2025
Graduate School of Engineering Science, Osaka University.
Objectives Although childhood cancer treatment has recently become centralized at specialized hospitals worldwide, the relationship between mortality ratios and living in rural areas or traveling long distances for treatment remains controversial. In the present study, we examined whether regional differences in patient mobility and mortality ratios exist in Japan.Methods We investigated 10,713 patients with cancer aged ≤18 years, diagnosed between 2016 and 2019, registered in the national cancer registry data.
View Article and Find Full Text PDFIntroduction: Homeobox genes are highly conserved and play critical roles in brain development. Recently we have found that mammals have an additional fragment of approximately 20 amino acids in Emx1 and a poly-(Ala)6-7 in Emx2, compared to other amniotes. It has been shown that Emx1 and Emx2 have synergistic actions in the brain development.
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