A second rank divergence-free tensor, constructed as a second order polynomial in Riemann

2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/91111Preprint is withdrawn, since result isn't new.withdrawn; result isn't newQuantum PhysicsGeneral Relativity and Quantum CosmologyHigh Energy Physics - TheoryA second rank divergence-free tensor, constructed as a second order polynomial in Riemanntext