papers
Publications (3)
stat.AP2020
Probabilistic and mean-field model of COVID-19 epidemics with user mobility and contact tracing
M. Akian, L. Ganassali, S. Gaubert +1
We propose a detailed discrete-time model of COVID-19 epidemics coming in two flavours, mean-field and probabilistic. The main contribution lies in several extensions of the basic…
math.SP2010
Perron-Frobenius theorem for nonnegative multilinear forms and extensions
S. Friedland, S. Gaubert, L. Han
We prove an analog of Perron-Frobenius theorem for multilinear forms with nonnegative coefficients, and more generally, for polynomial maps with nonnegative coefficients. We determ…
math.SP2012
Submodular spectral functions of principal submatrices of a hermitian matrix, extensions and applications
S. Friedland, S. Gaubert
We extend the multiplicative submodularity of the principal determinants of a nonnegative definite hermitian matrix to other spectral functions. We show that if is the primitiv…