Gradient hRicci solitons on pp- waves

h-Ricci solitons are a generalization of Ricci solitons. In this paper we analyze the existnce of gradient/ h-Ricci solitons on pp- waves and prove that the h-Ricci solitons are steady when h is analytic.

کلیدواژه ها:

Ricci soliton ، gradient h-Ricci soliton ، Lorentzian manifold ، pp-wave