LP-Kenmotsu manifolds admitting Bach almost solitons

Abstract

For an $LP$-Kenmotsu manifold of dimension $m$ (briefly, ${(LPK)_{m}}$) admitting Bach almost solitons $(g,\zeta,\lambda)$, we have explored the characteristics of norm of Ricci operator. Besides, we have studied the Bach tensor on Lorentzian para-Kenmotsu manifolds to have an $\eta$-Einstein manifold. Afterwards, we have proved that Bach almost solitons $(g,\zeta,\lambda)$ are always steady when, a Lorentzian para-Kenmotsu manifold of dimension-three has Bach almost solitons.