Abstract
We describe Lorentzian manifolds that admit metric connections with parallel torsion having zero twistorial component and non-zero vectorial component. We also describe Lorentzian manifolds admitting metric connections with closed parallel skew-symmetric torsion.
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Acknowledgements
The authors are thankful to Andrei Moroianu, Thomas Leistner and Eivind Schneider for useful discussions. The authors are grateful to the Reviewer for the important comments. I.E. was supported by grant MUNI/A/1099/2022 of Masaryk University. A.G. acknowledges institutional support of University of Hradec Králové.
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Ernst, I., Galaev, A.S. Lorentzian connections with parallel twistor-free torsion. Collect. Math. (2023). https://doi.org/10.1007/s13348-023-00430-8
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DOI: https://doi.org/10.1007/s13348-023-00430-8