Abstract
Our aim in this paper is to study the well-posedness for a class of sixth-order Cahn–Hilliard equations with singular nonlinear terms. More precisely, we prove the existence and uniqueness of variational solutions, based on a variational inequality.
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Acknowledgements
The author wishes to thank M. Grasselli and S. Zelik for useful discussions. He also wishes to thank an anonymous referee for her/his careful reading of the paper and useful comments.