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Autor Costa, A.F. |
Documentos disponibles escritos por este autor (3)
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Del Brutto, O.H. ; Costa, A.F. ; Mera, R.M. ; Recalde, B.Y. ; Bustos, J.A. ; Garcia, H.H. | American Society of Tropical Medicine and Hygiene | 2020-12-14T16:06:19ZThe SARS-CoV-2 pandemic is now expanding into the developing world with devastating consequences. Departing from a population-based study in rural Ecuador where all adult individuals (aged 40 years or older) were tested for SARS-CoV-2 IgG and Ig[...]texto impreso
Del Brutto, O.H. ; Costa, A.F. ; Mera, R.M. ; Recalde, B.Y. ; Bustos, J.A. ; Garcia, H.H. | Elsevier B.V. | 2020-12-14T16:06:20ZA sudden increase in adult mortality associated with respiratory diseases was noticed in Atahualpa (a rural Ecuadorian village), coinciding with the introduction of SARS-CoV-2 in the region. From a total of 1,852 individuals aged ?18 years, 40 d[...]texto impreso
In this paper we study the algebraic structure of the hyperelliptic mapping class group of Klein surfaces, which is closely related to the mapping class group of punctured discs. This group plays an important role in the study of the moduli spa[...]