Pub Date : 2021-04-07DOI: 10.1007/978-981-16-2450-6_25
J. Santos, J. Carcione, G. Savioli, P. Gauzellino
{"title":"An SEIR Epidemic Model of Fractional Order to Analyze the Evolution of the Covid-19 Epidemic in Argentina","authors":"J. Santos, J. Carcione, G. Savioli, P. Gauzellino","doi":"10.1007/978-981-16-2450-6_25","DOIUrl":"https://doi.org/10.1007/978-981-16-2450-6_25","url":null,"abstract":"","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"39 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2021-04-07","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124405020","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-12-10DOI: 10.1007/978-981-16-2450-6_9
R. Qesmi, A. Hammoumi
{"title":"Lifting Lockdown Control Measure Assessment: From Finite-to Infinite-Dimensional Epidemic Models for Covid-19","authors":"R. Qesmi, A. Hammoumi","doi":"10.1007/978-981-16-2450-6_9","DOIUrl":"https://doi.org/10.1007/978-981-16-2450-6_9","url":null,"abstract":"","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"28 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-12-10","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"116625148","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-10-14DOI: 10.1101/2020.10.11.20211037
F. Bartha, J. Karsai, T. Tekeli, G. RoÌst
Testing and isolation of cases is an important component of our strategies to fight SARS-CoV-2. In this work, we consider a compartmental model for COVID-19 including a nonlinear term representing symptom-based testing. We analyze how the considered clinical spectrum of symptoms and the testing rate affect the outcome and the severity of the outbreak.
{"title":"Symptom-based testing in a compartmental model of COVID-19","authors":"F. Bartha, J. Karsai, T. Tekeli, G. RoÌst","doi":"10.1101/2020.10.11.20211037","DOIUrl":"https://doi.org/10.1101/2020.10.11.20211037","url":null,"abstract":"Testing and isolation of cases is an important component of our strategies to fight SARS-CoV-2. In this work, we consider a compartmental model for COVID-19 including a nonlinear term representing symptom-based testing. We analyze how the considered clinical spectrum of symptoms and the testing rate affect the outcome and the severity of the outbreak.","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"85 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-14","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114090352","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-10-08DOI: 10.1007/978-981-16-2450-6_23
J. Couras, I. Area, J. Nieto, Cristiana J. Silva, Delfim F. M. Torres
{"title":"Optimal Control of Vaccination and Plasma Transfusion with Potential Usefulness for Covid-19","authors":"J. Couras, I. Area, J. Nieto, Cristiana J. Silva, Delfim F. M. Torres","doi":"10.1007/978-981-16-2450-6_23","DOIUrl":"https://doi.org/10.1007/978-981-16-2450-6_23","url":null,"abstract":"","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"1 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128864072","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-10-08DOI: 10.1007/978-981-16-2450-6_28
Houssine Zine, E. Lotfi, Marouane Mahrouf, Adnane Boukhouima, Yassine Aqachmar, K. Hattaf, Delfim F. M. Torres, N. Yousfi
{"title":"Modeling the Spread of Covid-19 Pandemic in Morocco","authors":"Houssine Zine, E. Lotfi, Marouane Mahrouf, Adnane Boukhouima, Yassine Aqachmar, K. Hattaf, Delfim F. M. Torres, N. Yousfi","doi":"10.1007/978-981-16-2450-6_28","DOIUrl":"https://doi.org/10.1007/978-981-16-2450-6_28","url":null,"abstract":"","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"148 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-10-08","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"123393004","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-05-05DOI: 10.1101/2020.04.30.20080978
A. S.R. Srinivasa Rao, S. Krantz
All the newly reported COVID-19 cases of April in the U.S. have not acquired the virus in the same month. We estimate that there was an average of 29,000/day COVID-19 cases in the U.S. transmitted from infected to susceptible during April 1-24, 2020 after adjusting for under-reported and under-diagnosed. We have provided model-based predictions of COVID-19 for the low and high range of transmission rates and with varying degrees of preventive measures including the lockdowns. We predict that even if 10% of the susceptible and 20 % of the infected who were not identified as of April 23, 2020, do not adhere to proper care or do not obey lockdown, then by the end of May and by end of June 50,000 and 55,000 new cases will emerge, respectively. These values for the months of May and June with worse adherence rates of 50% by susceptible and infected (but not identified) will be 251,000 and 511,000, respectively. Continued and serious lockdown measures could bring this average daily new cases to a further low at 4,300/day to 8,000/day in May.
{"title":"Continued and Serious Lockdown Could Minimize Many Newly Transmitted Cases of COVID-19 in the U.S.: Wavelets, Deterministic Models, and Data","authors":"A. S.R. Srinivasa Rao, S. Krantz","doi":"10.1101/2020.04.30.20080978","DOIUrl":"https://doi.org/10.1101/2020.04.30.20080978","url":null,"abstract":"All the newly reported COVID-19 cases of April in the U.S. have not acquired the virus in the same month. We estimate that there was an average of 29,000/day COVID-19 cases in the U.S. transmitted from infected to susceptible during April 1-24, 2020 after adjusting for under-reported and under-diagnosed. We have provided model-based predictions of COVID-19 for the low and high range of transmission rates and with varying degrees of preventive measures including the lockdowns. We predict that even if 10% of the susceptible and 20 % of the infected who were not identified as of April 23, 2020, do not adhere to proper care or do not obey lockdown, then by the end of May and by end of June 50,000 and 55,000 new cases will emerge, respectively. These values for the months of May and June with worse adherence rates of 50% by susceptible and infected (but not identified) will be 251,000 and 511,000, respectively. Continued and serious lockdown measures could bring this average daily new cases to a further low at 4,300/day to 8,000/day in May.","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-05-05","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"115462693","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-03-29DOI: 10.1007/978-981-15-5951-8_3
Liu Mei, A. Dudin
{"title":"Analysis of Retrial Queue with Heterogeneous Servers and Markovian Arrival Process","authors":"Liu Mei, A. Dudin","doi":"10.1007/978-981-15-5951-8_3","DOIUrl":"https://doi.org/10.1007/978-981-15-5951-8_3","url":null,"abstract":"","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"46 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-03-29","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"126329380","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2020-02-19DOI: 10.1007/978-981-15-5951-8_10
U. C. Gupta, Nitin Kumar, F. P. Barbhuiya
{"title":"A Queueing System with Batch Renewal Input and Negative Arrivals","authors":"U. C. Gupta, Nitin Kumar, F. P. Barbhuiya","doi":"10.1007/978-981-15-5951-8_10","DOIUrl":"https://doi.org/10.1007/978-981-15-5951-8_10","url":null,"abstract":"","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"7 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2020-02-19","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"124785359","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-04-27DOI: 10.1007/978-981-15-5951-8_29
B. Rajeev
{"title":"On the Feynman–Kac Formula","authors":"B. Rajeev","doi":"10.1007/978-981-15-5951-8_29","DOIUrl":"https://doi.org/10.1007/978-981-15-5951-8_29","url":null,"abstract":"","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"6 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-04-27","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"128713560","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
Pub Date : 2019-03-26DOI: 10.1007/978-981-15-5951-8_13
A. Arapostathis, V. Borkar
{"title":"“Controlled” Versions of the Collatz–Wielandt and Donsker–Varadhan Formulae","authors":"A. Arapostathis, V. Borkar","doi":"10.1007/978-981-15-5951-8_13","DOIUrl":"https://doi.org/10.1007/978-981-15-5951-8_13","url":null,"abstract":"","PeriodicalId":232707,"journal":{"name":"Infosys Science Foundation Series","volume":"34 1","pages":"0"},"PeriodicalIF":0.0,"publicationDate":"2019-03-26","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"114434300","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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