Eine Kongruenz für Gitter und ihre Anwendung auf 2k-Mannigfaltigkeiten in 4k-Mannigfaltigkeiten.
Einstein metrics and smooth structures.
Equivalence classes of Fields of 2-planes and two kinds of almost complex structures on compact four-dimensional manifolds.
Equivariant Floer groups for binary polyhedral spaces.
Existence of foliations on 4-manifolds.
Exotic structures on 4-manifolds detected by spectral invariants.
Exponential separation in 4-manifolds.