Artigo de periódico
Minimal non-ergodic (C^1)-diffeomorphisms of the circle
Autor
Oliveira, Fernando
Rocha, Luiz Fernando Carvalho da
Resumen
We construct, for each irrational number α, a minimal C1-diffeomorphismof the circle with rotation number α which is not ergodic with respect to the Lebesgue measure.