How much leeway is there to relax COVID-19 control measures?
Published in Epidemics, 2021
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Publications
Importance of COVID-19 vaccine efficacy in older age groups
Published in Vaccine, 2021
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Quantifying the impact of COVID-19 control measures using a Bayesian model of physical distancing
Published in PLoS Computational Biology, 2020
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Diffusion analysis of single particle trajectories in a Bayesian nonparametrics framework
Published in Physical Biology, 2020
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Limitations of Qdot labelling compared to directly-conjugated probes for single particle tracking of B cell receptor mobility
Published in Scientific reports, 2017
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Fragmentation of brittle plates by localized impact
Published in Applied Physics Letters, 2014
We address the fragmentation of thin, brittle layers due to the impact of high-velocity projectiles. Our approach is a geometric statistical one, with lines and circles playing the role of cracks randomly located over the surface and following distributions that come from an analysis of how the energy input propagates and dissipates over the material. The cumulative mass distributions F(m) we obtain are in excellent agreement with the data produced by Kadono [Phys. Rev. Lett. 78, 1444 (1997)]. In the small mass regime we get F(m) prop to m^(-alpha) for a broad range of dissipation strengths and total number of fragments. In addition we obtain the fractal dimension of the set of cracks and its correlation to the exponent alpha that account for the experimental results given by Kadono and Arakawa [Phys. Rev. E 65, 035107(R) (2002)].
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