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hep-th2023
On Carrollian and Galilean contractions of BMS algebra in 3 and 4 dimensions
Andrzej Borowiec, Jerzy Kowalski-Glikman, Tomasz Trześniewski
In this paper, we find a class of Carrollian and Galilean contractions of (extended) BMS algebra in 3+1 and 2+1 dimensions. To this end, we investigate possible embeddings of 3D/4D…
gr-qc2023★ 1 cited
Is it possible to separate baryonic from dark matter within the -CDM formalism?
Andrzej Borowiec, Marcin Postolak
We found general solutions of matter stress-energy (non-)conservation in scalar-tensor FLRW-type cosmological models by extending the logotropic formalism to the case of non-minima…