A cut salad of cocycles
Volume 157 / 1998
Fundamenta Mathematicae 157 (1998), 99-119 DOI: 10.4064/fm-157-2-3-99-119
We study the centraliser of locally compact group extensions of ergodic probability preserving transformations. New methods establishing ergodicity of group extensions are introduced, and new examples of squashable and non-coalescent group extensions are constructed.