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We develop geometric analysis on weighted Riemannian manifolds under lower 0-weighted Ricci curvature bounds. Under such curvature bounds, we prove a first Steklov eigenvalue estimate of Wang-Xia type on compact weighted manifolds with boundary, and a first eigenvalue estimate of Choi-Wang type on closed weighted minimal hypersurfaces. We also produce an ABP estimate and a Sobolev inequality of Brendle type.
Fujitani et al. (Wed,) studied this question.