论文标题

与IET具有单数结合的仿射IET

Affine IETs with a singular conjugacy to an IET

论文作者

Trujillo, Frank, Ulcigrai, Corinna

论文摘要

We produce affine interval exchange transformations (AIETs) which are topologically conjugated to (standard) interval exchange maps (IETs) via a singular conjugacy, i.e. a diffeomorphism $h$ of $[0,1]$ which is $C^0$ but not $C^1$ and such that the pull-back of the Lebesgue measure is a singular invariant measure for the AIET. In particular, we show that for almost every IET $T_0$ of at least two intervals and any vector $w$ belonging to the central-stable space $E_{cs}(T_0)$ for the Rauzy-Veech renormalization, any AIET T with log-slopes given by $w$ and semi-conjugated to $T_0$ is topologically conjugated to $T$.如果另外,如果$ w $不属于$ e_s(t_0)$,则$ t $和$ t_0 $之间的共轭是单数的。

We produce affine interval exchange transformations (AIETs) which are topologically conjugated to (standard) interval exchange maps (IETs) via a singular conjugacy, i.e. a diffeomorphism $h$ of $[0,1]$ which is $C^0$ but not $C^1$ and such that the pull-back of the Lebesgue measure is a singular invariant measure for the AIET. In particular, we show that for almost every IET $T_0$ of at least two intervals and any vector $w$ belonging to the central-stable space $E_{cs}(T_0)$ for the Rauzy-Veech renormalization, any AIET T with log-slopes given by $w$ and semi-conjugated to $T_0$ is topologically conjugated to $T$. If in addition, if $w$ does not belong to $E_s(T_0)$, the conjugacy between $T$ and $T_0$ is singular.

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