Sofic constant-to-one extensions of subshifts of finite type

Sofic constant-to-one extensions of subshifts of finite type
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by F. Blanchard and G. Hansel PDF

Proc. Amer. Math. Soc. 112 (1991), 259-265 Request permission

Provided a constant-to-one extension of a subshift of finite type is sofic and transitive, then it is also of finite type.

References

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