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20182025
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math.DG2025

3-Manifolds with positive scalar curvature and bounded geometry

Otis Chodosh, Yi Lai, Kai Xu

We show that a complete contractible 3-manifold with positive scalar curvature and bounded geometry must be . We also show that an open handlebody of genus larger than…

math.DG2019

The Riemannian Quantitative Isoperimetric Inequality

Otis Chodosh, Max Engelstein, Luca Spolaor

We study the Riemannian quantiative isoperimetric inequality. We show that direct analogue of the Euclidean quantitative isoperimetric inequality is--in general--false on a closed…

math.DG2019

Minimal hypersurfaces with arbitrarily large area

Otis Chodosh, Christos Mantoulidis

For 3 n 7, we prove that a bumpy closed Riemannian n-manifold contains a sequence of connected embedded closed minimal surfaces with unbounded area.

math.DG2018

On the topology and index of minimal surfaces II

Otis Chodosh, Davi Maximo

For an immersed minimal surface in , we show that there exists a lower bound on its Morse index that depends on the genus and number of ends, counting multiplicity. T…

math.DG2018

A splitting theorem for scalar curvature

Otis Chodosh, Michael Eichmair, Vlad Moraru

We show that a Riemannian -manifold with non-negative scalar curvature is flat if it contains an area-minimizing cylinder. This scalar-curvature analogue of the classical splitt…

math.DG2018

Characterization of large isoperimetric regions in asymptotically hyperbolic initial data

Otis Chodosh, Michael Eichmair, Yuguang Shi +1

Let be a complete Riemannian -manifold asymptotic to Schwarzschild-anti-deSitter and with scalar curvature . Building on work of A.~Neves and G.~Tian and of…