Abstract
In this paper, we study the harmonic map heat flow with free boundary from a Riemannian surface with smooth boundary into a compact Riemannian manifold. As a consequence, we get at least one disk-type minimal surface in a compact Riemannian manifold without minimal 2-sphere.
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Li, M. Harmonic map heat flow with free boundary. Comment. Math. Helv. 66, 279–301 (1991). https://doi.org/10.1007/BF02566648
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DOI: https://doi.org/10.1007/BF02566648