The authors wish to make the following corrections this paper [1] (see corrected version in postprint [2]):On page 2, paragraph 4, complete first sentence ‘In Theorem 2 we show that if A is a real algebra and B basis of then also Aℂ, complexification (with same multiplication structure matrices) an evolution if, only Aℂ algebra’ with phrase ‘and has natural consisting elements A’ [...]

This paper examines adult age-specific mortality patterns of one of the most devastating epidemics in recorded history, the Black Death of A.D. 1347-351. The goal was to determine whether the epidemic affected all ages equally or if it targeted certain age groups. Analyses were done using a sample of 337 individuals excavated from the East Smithfield cemetery in London, which contains only indi...

in this paper‎, ‎we give a complete proof of theorem 4.1(ii) and a new‎ ‎elementary proof of theorem 4.1(i) in [li and shen‎, ‎on the‎ ‎intersection of the normalizers of the derived subgroups of all‎ ‎subgroups of a finite group‎, ‎ j‎. ‎algebra, ‎323  (2010) 1349--1357]‎. ‎in addition‎, ‎we also give a generalization of baer's theorem‎.

Abstract Background Implementation of high-quality clinical trials especially early in the pandemic caused burden on investigators given lack infrastructure, networks and systematic supports. To prepare for future pandemic, we investigated facilitator obstacles that enable to operate COIVD-19 Japan. Methods We conducted individual semistructured qualitative interviews assess process how COVID-1...