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gr-qc2018★ 16 cited
Torsional Topological Invariants
H. T. Nieh
Making use of the SO(3,1) Lorentz algebra, we derive in this paper two series of Gauss-Bonnet type identities involving torsion, one being of the Pontryagin type and the other of t…
gr-qc2018★ 7 cited
Torsion in Gauge Theory
H. T. Nieh
The potential conflict between torsion and gauge symmetry in the Riemann-Cartan curved space-time was noted by Kibble in his 1961 pioneering paper, and has since been discussed by…