Intrinsic ergodicity for factors of $(-\beta )$-shifts

Mao Shinoda, Kenichiro Yamamoto

We show that every subshift factor of a ($-\beta$)-shift is intrinsically ergodic, when $\beta \ge \frac{1+\sqrt{5}}{2}$ and the ($-\beta$)-expansion of $1$ is not periodic with odd period. Mo…