Article contents
On the sharp regularity for arbitrary actions of nilpotent groups on the interval: the case of
$N_{4}$
Published online by Cambridge University Press: 28 July 2016
Abstract
In this work, we determine the largest $\unicode[STIX]{x1D6FC}$ for which the nilpotent group of four-by-four triangular matrices with integer coefficients and the value one in the diagonal embeds into the group of
$C^{1+\unicode[STIX]{x1D6FC}}$ diffeomorphisms of the closed interval.
- Type
- Research Article
- Information
- Copyright
- © Cambridge University Press, 2016
References
![](https://static.cambridge.org/binary/version/id/urn:cambridge.org:id:binary:20180108035338523-0748:S0143385716000389:S0143385716000389_inline4.gif?pub-status=live)
- 5
- Cited by