no code implementations • 6 Feb 2023 • Federica De Domenico, Giacomo Livan, Guido Montagna, Oreste Nicrosini
It is well known that the probability distribution of high-frequency financial returns is characterized by a leptokurtic, heavy-tailed shape.
1 code implementation • 23 Oct 2020 • Samuel Stern, Giacomo Livan
We investigate the impact of noise and topology on opinion diversity in social networks.
Social and Information Networks Physics and Society
no code implementations • 14 Feb 2020 • Samuel Stern, Giacomo Livan, Robert E. Smith
In Communication Theory, intermedia agenda-setting refers to the influence that different news sources may have on each other, and how this subsequently affects the breadth of information that is presented to the public.
Physics and Society Computers and Society Social and Information Networks
no code implementations • 1 Jul 2019 • Riccardo Marcaccioli, Giacomo Livan
Typically, this is done via hypothesis testing: the statistical properties of the empirical time series are tested against those expected under a suitable null hypothesis.