activity
20162026
most citedPerelman's Entropies for Manifolds with conical Singularities

3 citations · 7 across the 8 of their papers we have counts for

collaborators

8 papers

gr-qc2026

Static vacuum metrics in (4 + 1) dimensions with Λ < 0 and squashed conformal infinity

Piotr T. Chruściel, Jiaxin Song, Raphaela Wutte +2

We construct numerically two families of static five-dimensional Lorentzian metrics, solutions of vacuum Einstein equations with a negative cosmological constant, one with and one…

math.DG2026

On the uniqueness of surfaces of constant spacetime mean curvature in asymptotically Schwarzschildean lightcones

Klaus Kroencke, Markus Wolff

In this paper, we address the uniqueness of surfaces of constant spacetime mean curvature in an asymptotically Schwarzschildean lightcone of mass . We prove that there exists…

math.DG2023

cohomology and Hodge decomposition for ALE manifolds

Baptiste Devyver, Klaus Kroencke

We relate the dimensions of reduced cohomology spaces in degree k of an ALE manifold to the dimension of some spaces of decaying harmonic forms, depending both on p and on k.…

math.DG2020★ 2 cited

Spectra, rigidity and stability of sine-cones

Klaus Kroencke

We compute the spectra of the Laplace-Beltrami operator, the connection Laplacian on 1-forms and the Einstein operator on symmetric 2-tensors on the sine-cone over a positive Einst…

math.AP2020

Long-time estimates for heat flows on ALE manifolds

Klaus Kroencke, Oliver Lindblad Petersen

We consider the heat equation associated to Schrödinger operators acting on vector bundles on asymptotically locally Euclidean (ALE) manifolds. Novel decay estimates ar…

math.DG2019★ 1 cited

Mean curvature flow in asymptotically flat product spacetimes

Klaus Kroencke, Oliver Lindblad Petersen, Felix Lubbe +6

We consider the long-time behaviour of the mean curvature flow of spacelike hypersurfaces in the Lorentzian product manifold , where is asymptotically flat.…

math.DG2019★ 3 cited

Perelman's Entropies for Manifolds with conical Singularities

Klaus Kroencke, Boris Vertman

In this paper we discuss Perelman's Lambda-functional, Perelman's Ricci shrinker entropy as well as the Ricci expander entropy on a class of manifolds with isolated conical singula…

math.DG2016★ 1 cited

Stability of sin-cones and cosh-cylinders

Klaus Kroencke

This work concerns stability and instability of Einstein warped products with an Einsteinian fiber of codimension 1. We study the cases where the scalar curvature of the warped pro…