Gomes, Cláudio
Bertolami, Orfeu
Rosa, João G.
Funding for this research was provided by:
Fundação para a Ciência e a Tecnologia (SFRH/BD/102820/2014)
Fundação para a Ciência e a Tecnologia (IF/01597/2015)
H2020 European Research Council (StronGrHEP-690904)
Center for Research & Development in Mathematics and Applications (UID/MAT/04106/2013)