# Problem 139

## Primary tabs

Are polynomial growth foliations hyperfinite? Is $W^{ws}$ on $\Sigma ^+_{\{0,1\}}$ Borel hyperfinite?

## Tags

Tags:

### FL

Yes, [1]

I don't recall that I got this problem (foliations of polynomial growth) from Rufus, but it must have been in the air at the time. Caroline Series

### References

1. [series1979foliations] Series C.  1979.  Israel Journal of Mathematics. 34:245–258.

### FL

I don't know, but I am sure that some people know.