An easy proof of Jensen’s theorem on the uniqueness of infinity harmonic functions
- Author(s): Armstrong, Scott N.
- Smart, Charles K.
- et al.
Published Web Locationhttps://doi.org/10.1007/s00526-009-0267-9
We present a new, easy, and elementary proof of Jensen’s Theorem on the uniqueness of infinity harmonic functions. The idea is to pass to a finite difference equation by taking maximums and minimums over small balls.
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