106 citations · 110 across the 2 of their papers we have counts for
3 papers
Phase transition from egalitarian to hierarchical societies driven by competition between cognitive and social constraints
Nestor Caticha, Rafael Calsaverini, Renato Vicente
Empirical evidence suggests that social structure may have changed from hierarchical to egalitarian and back along the evolutionary line of humans. We model a society subject to co…
An information theoretic approach to statistical dependence: copula information
Rafael S. Calsaverini, Renato Vicente
We discuss the connection between information and copula theories by showing that a copula can be employed to decompose the information content of a multivariate distribution into…
Intersubband-induced spin-orbit interaction in quantum wells
Rafael S. Calsaverini, Esmerindo Bernardes, J. Carlos Egues +1
Recently, we have found an additional spin-orbit (SO) interaction in quantum wells with two subbands [Phys. Rev. Lett. 99, 076603 (2007)]. This new SO term is non-zero even in symm…