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 A Characterization of Hyperbolic Toral Automorphisms Commun. Korean Math. Soc. 2006 Vol. 21, No. 4, 759-769 Published online December 1, 2006 Joo Sung Lee Dongguk University Abstract : Let ${L}:C \rightarrow C$ be a hyperbolic automorphism. Then the hyperbolic toral automorphism $L_A:T^2 \rightarrow T^2$, induced by $L$, is a chaotic map (\cite{De} pg.192). We characterize hyperbolic toral automorphisms by proving the converse of the above statement. Keywords : chaotic map, hyperbolic toral automorphism, Weierstrass $\mathcal P$ function and the Riemann sphere MSC numbers : 34C35,54H20 Downloads: Full-text PDF