Contamination of dental unit waterlines: assessment of three continuous water disinfection systems


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Дата публикации: 28.11.2021

Contamination of dental unit waterlines: assessment of three continuous water disinfection systems

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Phylogenies provide a useful way to understand the evolutionary history of genetic samples, and data sets with more than a thousand taxa are becoming increasingly common, notably with viruses e. Dating ancestral events is one of the first, essential goals with such data. However, current sophisticated probabilistic approaches struggle to handle data sets of this size.

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Our algorithms exploit the tree recursive structure of the problem at hand, and the close relationships between least-squares and linear algebra. We distinguish between an unconstrained setting and the case where the temporal precedence constraint i. With rooted trees, the former is solved using linear algebra in linear computing time i.