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Geometric and analytical results for ρ‐Einstein solitons

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  • Caio Coimbra

Abstract

In this paper, we study geometric and analytical features of complete noncompact ρ$\rho$‐Einstein solitons, which are self‐similar solutions of the Ricci–Bourguignon flow. We study the spectrum of the drifted Laplacian operator for complete gradient shrinking ρ$\rho$‐Einstein solitons. Moreover, similar to classical results due to Calabi–Yau and Bishop for complete Riemannian manifolds with nonnegative Ricci curvature, we prove new volume growth estimates for geodesic balls of complete noncompact ρ$\rho$‐Einstein solitons. In particular, the rigidity case is discussed. In addition, we establish weighted volume growth estimates for geodesic balls of such manifolds.

Suggested Citation

  • Caio Coimbra, 2026. "Geometric and analytical results for ρ‐Einstein solitons," Mathematische Nachrichten, Wiley Blackwell, vol. 299(1), pages 143-155, January.
    • Handle: RePEc:bla:mathna:v:299:y:2026:i:1:p:143-155
    DOI: 10.1002/mana.70084
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