Rigidity of Lyapunov exponents for derived from Anosov diffeomorphisms

José Santana Costa, Ali Tahzibi

For a class of volume preserving partially hyperbolic diffeomorphisms (or non-uniformly Anosov) $f\colon {\T}^d\rightarrow{\T}^d$ homotopic to linear Anosov automorphism, we show t…