On the Curvature of the Free Boundary for the Obstacle Problem in Two Dimensions |
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Authors: | Björn Gustafsson Makoto Sakai |
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Institution: | (1) Royal Institute of Technology, Stockholm, Sweden;(2) Tokyo Metropolitan University, Tokyo, Japan |
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Abstract: | We give a new proof of the fact that the free boundary for the obstacle problem in two dimensions satisfies a natural and sharp inner ball condition. |
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Keywords: | 2000 Mathematics Subject Classification: 35R35 26A51 52A55 |
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