3 papers
econ.GN2026
The dynamics of innovation diffusion: A survey of Bass-type models
Nicolas Langrené, Rui Liu, Xiangqin Wu +1
This paper synthesises the existing research on the dynamics of innovation diffusion, with a focus on Bass-type models and their extensions. The theoretical foundation of innovatio…
stat.ML2025
Fast Gaussian process inference by exact Matérn kernel decomposition
Nicolas Langrené, Xavier Warin, Pierre Gruet
To speed up Gaussian process inference, a number of fast kernel matrix-vector multiplication (MVM) approximation algorithms have been proposed over the years. In this paper, we est…
cs.LG2024
A spectral mixture representation of isotropic kernels with application to random Fourier features
Nicolas Langrené, Xavier Warin, Pierre Gruet
Rahimi and Recht (2007) introduced the idea of decomposing positive definite shift-invariant kernels by randomly sampling from their spectral distribution for machine learning appl…