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Sir - Astrophysics Data System

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Last Updated: 20 September 2022

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Limitations of time-delayed case isolation in heterogeneous SIR models

We investigate the effectiveness of a case isolation scheme subjected to time delays in terms of its ability to contain the epidemic distribution in heterogeneous contact networks. We examine the stability boundary analytically and display how it depends on the time delay between infection and isolation, as well as the inter-individual contact network's heterogeneity, as indicated by the variance in contact rates for an SIR epidemic model.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220909186H/abstract


ASIR: Robust Agent-based Representation Of SIR Model

The field of epidemic simulation is dominated by computational models and agent-based models.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220908214X/abstract


Return to the Far Side of Planet Moore!: Rambling Through Observations, Friendships and Antics of Sir Patrick Moore

"It Came From Outer Space Wearing an RAF Blazer" is a good companion to Sir Patrick Moore's meteor and moon studies, which culminate in Moore's switch from lunar to planetary and variable star observing in this light. "It Came From Outer Space Wearing a RAF Blazer" is a great companion to the highly acclaimed "It Came From Outer Space Wearing an RAF Blazer" a book by Sir Patrick Moore's The author hasn't forgotten a few of Moore's most memorable television and radio appearances, as well as a close up of what it was like to visit Moore's beloved home of Farthings in Selsey.

Source link: https://ui.adsabs.harvard.edu/abs/2015rfsp.book.....M/abstract


An Agent-Based Distributed Control Policy for Networked SIR Epidemics

This paper revisits a long-standing issue of concern regarding the dispersion of an epidemic process on human contact networks. We're inspired by principles of self-organization and emergence in order to better understand how efficiently extitsimple control tactics can be applied to this problem, in contrast to the vast majority of similar companies in this sector. More specifically, rather than attempting to develop top-down optimal control schemes, we're interested in finding how simple tactics work in different environments.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220906250M/abstract


The SIR model in a moving population: propagation of infection and herd immunity

We investigate the dissemination of an infection with SIR dynamics in a series of particles on 2̆124^d with independent random walks. When someone encounters an infected particle, Susceptible particles become infected. We find that when 0̆3bd is small, with positive likelihood, the infection persists forever and expands linearly.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220906037D/abstract


a New Fractional-Order Stability Analysis of Sir Model for the Transmission of Buruli Disease: a Biomedical Application

With the help of differential equations in this paper, a new computing method is investigated for Mycobacterium ulcerans' cause. Buruli ulcer transmission is triggered by a combination of the ulcer and the environment. This research is being carried out to determine the link between the ulcer and the environment. The BU disease is described in detail in detail by a Fractional-order SIR model. Afterwards, we discovered that the proposed numerical framework holds all required control measurement capabilities of the corresponding dynamical system while lowering the ancillary cost when studied over a long time.

Source link: https://ui.adsabs.harvard.edu/abs/2022Fract..3040171A/abstract


Review-Parametric Study and Various Strategies of Aluminium Metal Matrix Composites Fabricated by Friction Sir Processing

Metal matrixes are more effective than alloys because the desired properties that are desired can be achieved with varying composition. In addition, Fiction stir processing of aluminium reinforced with ceramics is discussed mainly based on SiC or B4C. When Friction stir processed ceramics improves mechanical and wear characteristics of material, it can be used to make cost effective replacements as well as free of defects, leading to a comprehensive review that seeks to fill the knowledge gaps in designing a deep understanding of aluminium based composites.

Source link: https://ui.adsabs.harvard.edu/abs/2022JSSST..11i3001B/abstract


Optimal Mitigation of SIR Epidemics Under Model Uncertainty

We recommend a testing approach instead of existing research on epidemic spreading by estimating the severity of the disease and testing the system's ability under the influence of model parameter uncertainty. We discover that the current testing approach under model parameter uncertainty would flatten the curve more accurately, but it would require more experiments and a longer time period.

Source link: https://ui.adsabs.harvard.edu/abs/2022arXiv220901508S/abstract


Comparison of field-aligned and ionospheric equivalent currents in HSS/SIR and ICME-driven geomagnetic storms

The currents' characteristics differ greatly between the two regions, with the sheath area and the magnetic cloud regions causing storms. The longest currents and main phase duration are found in the sheath-driven ICME storms, while the MC driven storms have the longest lasting large currents and main phase duration. Typically, the currents are generally larger in ICME storms than in HSS/SIR storms during the storm main phase and early recovery phase. The currents in the HSS/SIR storms are larger than in the late recovery phase 2 d after storm onset, however, than in the ICME-driven storms. Furthermore, it has been discovered that the Russell-McPherron interaction is more important for HSS/SIR driven storms, where 82% of storms have a role, relative to only 44% for ICME-driven storms.

Source link: https://ui.adsabs.harvard.edu/abs/2022cosp...44..744P/abstract

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions

* Please keep in mind that all text is summarized by machine, we do not bear any responsibility, and you should always check original source before taking any actions