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arxiv: 0806.4139 · v1 · submitted 2008-06-25 · 🧮 math.AP

On the Allen-Cahn equation in the Grushin plane: a monotone entire solution that is not one-dimensional

classification 🧮 math.AP
keywords theyallen-cahnequationgrushinmonotoneone-dimensionalplaneconsider
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We consider solutions of the Allen-Cahn equation in the whole Grushin plane and we show that if they are monotone in the vertical direction, then they are stable and they satisfy a good energy estimate. However, they are not necessarily one-dimensional, as a counter-example shows.

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