2 papers
gr-qc2018
Hubble drift in Palatini -theories
L. Del Vecchio, L. Fatibene, S. Capozziello +3
In a Palatini -model, we define chonodynamical effects due to the choice of atomic clocks as standard reference clocks and we develop a formalism able to quantitati…
gr-qc2016
Principal Symbol of Euler-Lagrange Operators
Lorenzo Fatibene, Simon Garruto
We shall introduce the principal symbol for Euler-Lagrange operators and use them to charac- terise well-posed initial value problems. We shall clarify how constraints can arise in…