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gr-qc2023
Variations on the Goroff-Sagnotti operator
Enrique Álvarez, Jesus Anero, Eduardo Velasco-Aja
The effect of modifying General Relativity with the addition of some higher dimensional operators, generalizations of the Goroff-Sagnotti operator, is discussed. We determine in pa…
gr-qc2023★ 2 cited
A Primer on Unimodular Gravity
Enrique Álvarez, Eduardo Velasco-Aja
This chapter provides an introduction to Unimodular Gravity both at the classical and quantum level, discussing the rôle it might play in the partial solution of the Cosmological C…
gr-qc2022
Quantum corrections to Einstein's equations
Eduardo Velasco-Aja, Jesus Anero
In this master thesis, the Frobenius power series method is used to find spherically symmetric and static vacuum solutions to quadratic and cubic gravitational actions, representin…