A characterization of overlap-free morphisms

Recurrent geodesics on a surface of negative curvature

Harold Marston Morse · Transactions of the American Mathematical Society · 1921 · 399 citations · Full text

Natural Sciences, Physics, Geometry +11

Unending chess, symbolic dynamics and a problem in semigroups

Marston Morse, Gustav A. Hedlund · Duke Mathematical Journal · 1944 · 201 citations

Natural Sciences, Mathematics, Dynamical Systems +9

Sharp characterizations of squarefree morphisms

Maxime Crochemore · Theoretical Computer Science · 1982 · 83 citations

Natural Sciences, Mathematics, Topology +6

On cube-free ω-words generated by binary morphisms

Juhani Karhumäki · Discrete Applied Mathematics · 1983 · 80 citations

Natural Sciences, Computer Science, Mathematics +6

A characterization of the Morse minimal set

W. H. Gottschalk, Gustav A. Hedlund · Proceedings of the American Mathematical Society · 1964 · 48 citations · Full text

Natural Sciences, Mathematics, Set Theory +5