2 papers
gr-qc2023
Topologically modified Einstein equation: a solution with singularities on
Quentin Vigneron, Áron Szabó, Pierre Mourier
Vigneron [Foundations of Physics, 54, 15, (2024)] recently proposed a modification of general relativity in which a non-dynamical term related to the spatial topology is introduced…
math.DG2022
Optimal coordinates for Ricci-flat conifolds
Klaus Kroencke, Áron Szabó
We compute the indicial roots of the Lichnerowicz Laplacian on Ricci-flat cones and give a detailed description of the corresponding radially homogeneous tensor fields in its kerne…