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Almost Ricci soliton and gradient almost Ricci soliton on 3-dimensional \(f\)-Kenmotsu manifolds. (English) Zbl 1383.53023

Summary: The object of the present paper is to study almost Ricci solitons and gradient almost Ricci solitons on 3-dimensional \(f\)-Kenmotsu manifolds.

MSC:

53C15 General geometric structures on manifolds (almost complex, almost product structures, etc.)
53C25 Special Riemannian manifolds (Einstein, Sasakian, etc.)
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