86 citations · 168 across the 25 of their papers we have counts for
Showing 2023Show all
2 papers · 1 filter
stat.ME2023
Multivariate selfsimilarity: Multiscale eigen-structures for selfsimilarity parameter estimation
Charles-Gérard Lucas, Gustavo Didier, Herwig Wendt +1
Scale-free dynamics, formalized by selfsimilarity, provides a versatile paradigm massively and ubiquitously used to model temporal dynamics in real-world data. However, its practic…
stat.CO2023★ 2 cited
On the surprising effectiveness of a simple matrix exponential derivative approximation, with application to global SARS-CoV-2
Gustavo Didier, Nathan E. Glatt-Holtz, Andrew J. Holbrook +2
The continuous-time Markov chain (CTMC) is the mathematical workhorse of evolutionary biology. Learning CTMC model parameters using modern, gradient-based methods requires the deri…