Before revision: Mutual information minimum spanning trees are used to explore nonlinear dependencies on Brazilian equity network in the periods from June  2015 to January  2016  and from January  2016 to September  2016 , corresponding to the government transition from President Dilma Rousseff to the current President Michel Temer , respectively .
After revision: Mutual information minimum spanning trees are used to explore nonlinear dependencies on Brazilian equity network in the periods from June 2015 to January 2016 and from January /27/ 2016 to September 2016 , corresponding to the government transition from President Dilma Rousseff to the current President Michel Temer , respectively .