activity
19922018
most citedA knot characterization and 1-connected nonnegatively curved 4-manifolds with circle symmetry

32 citations · 112 across the 15 of their papers we have counts for

collaborators
Showing 2008Show all

2 papers · 1 filter

math.DG2008★ 18 cited

A positively curved manifold homeomorphic to TS

Karsten Grove, Luigi Verdiani, Wolfgang Ziller

We construct a new 7-dimensional manifold with positive sectional curvature which is 2-connected with π_3=\Z_2 and admits an isometric group action with one dimensional quotient.

math.DG2008★ 5 cited

Lifting Group Actions and Nonnegative Curvature

Karsten Grove, Wolfgang Ziller

We show that all vector bundles over CP^2 which are not spin admit a complete metric with nonnegative sectional curvature. In the proof we construct a nonnegatively curved metric o…