Some results on paracontact metric $(k,\mu)$-manifolds with respect to the Schouten-van Kampen connection

Year 2022, Volume: 51 Issue: 2, 466 - 482, 01.04.2022

Selcen Yüksel Perktaş , U.c. De , Ahmet Yıldız

https://doi.org/10.15672/hujms.941744

https://izlik.org/JA84WE33RJ

Abstract

In the present paper we study certain symmetry conditions and some types of solitons on paracontact metric $(k,\mu )$-manifolds with respect to the Schouten-van Kampen connection. We prove that a Ricci semisymmetric paracontact metric $(k,\mu )$-manifold with respect to the Schouten-van Kampen connection is an $\eta $-Einstein manifold. We investigate paracontact metric $(k,\mu )$-manifolds satisfying $\breve{Q}\cdot \breve{R}_{cur}=0$\ with respect to the Schouten-van Kampen connection. Also, we show that there does not exist an almost Ricci soliton in a $(2n+1)$-dimensional paracontact metric $(k,\mu )$-manifold with respect to the Schouten-van Kampen connection such that $k>-1$ or $k<-1$. In case of the metric is being an almost gradient Ricci soliton with respect to the Schouten-van Kampen connection, then we state that the manifold is either $N(k)$-paracontact metric manifold or an Einstein manifold. Finally, we present some results related to almost Yamabe solitons in a paracontact metric $(k,\mu )$-manifold equipped with the Schouten-van Kampen connection and construct an example which verifies some of our results.

Keywords

Schouten-van Kampen connection , Ricci semisymmetric , Einstein manifold , $\eta $-Einstein manifold , solitons , paracontact metric $(k,\mu )$-manifolds

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