103 citations · 675 across the 29 of their papers we have counts for
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gr-qc2020★ 7 cited
Deformations of GR, Geometrodynamics and Reality Conditions
Kirill Krasnov, Ermis Mitsou
In four dimensions complexified General Relativity (GR) can be non-trivially deformed: There exists an (infinite-parameter) set of modifications all having the same count of degree…
gr-qc2020★ 16 cited
Cutting out the cosmological middle man: General Relativity in the light-cone coordinates
Ermis Mitsou, Giuseppe Fanizza, Nastassia Grimm +1
Analytical computations in relativistic cosmology can be split into two sets: time evolution relating the initial conditions to the observer's light-cone and light propagation to o…