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# MSC > 53Cxx Global differential geometry > 53C21 Methods of Riemannian geometry, including PDE methods; curvature restrictions

• 45:55
published on November 17, 2022

## Scalar curvature rigidity and extremality in dimension 4

By Renato Bettiol

43:08
published on May 11, 2022

## Boundary value problems for Dirac operators

By Christian Bär

43:37
published on April 21, 2022

## Nonnegative scalar curvature and area decreasing maps on complete foliated manifolds

By Guangxiang Su

49:02
published on April 12, 2022

## On the mass of asymptotically hyperbolic manifolds and initial data set

By Anna Sakovich

52:49
published on March 25, 2022

## Lower scalar curvature bounds for $C^0$ metrics: a Ricci flow approach

By Paula Burkhardt-Guim

48:57
published on June 3, 2019

## Understanding the growth of Laplace eigenfunctions (part 1 of 2)

By Yaiza Canzani

56:10
published on September 8, 2017