2 papers
astro-ph.CO2025
Peaks sphericity of non-Gaussian random fields
Cristiano Germani, Mohammad Ali Gorji, Michiru Uwabo-Niibo +1
We formulate the statistics of peaks of non-Gaussian random fields and implement it to study the sphericity of peaks. For non-Gaussianity of the local type, we present a general fo…
astro-ph.CO2025
Small noise expansion of stochastic inflation
Diego Cruces, Cristiano Germani, Amin Nassiri-Rad +1
By introducing the small noise expansion techniques, we show that the fully nonlinear (non-Markovian) stochastic inflationary system, may be re-cast in terms of an infinite set of…