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{
  "abstracts": [
    {
      "content": "By employing Aronsson's Absolute Minimizers of $L^\\infty$ functionals, we\nprove that Absolutely Minimizing Maps $u:\\R^n \\larrow \\R^N$ solve a\n\"tangential\" Aronsson PDE system. By following Sheffield-Smart \\cite{SS}, we\nderive $\\De_\\infty$ with respect to the dual operator norm and show that such\nmaps miss information along a hyperplane when compared to Tight Maps. We\nrecover the lost term which causes non-uniqueness and derive the complete\nAronsson system which has \\emph{discontinuous coefficients}. In particular, the\nEuclidean $\\infty$-Laplacian is $\\De_\\infty u = Du \\ot Du : D^2u\\, +\\,\n|Du|^2[Du]^\\bot \\De u$ where $[Du]^\\bot$ is the projection on the null space of\n$Du^\\top$. We exibit $C^\\infty$ solutions having interfaces along which the\nrank of their gradient is discontinuous and propose a modification with $C^0$\ncoefficients which admits \\emph{varifold solutions}. Away from the interfaces,\nAronsson Maps satisfy a structural property of local splitting to 2 phases, an\nhorizontal and a vertical; horizontally they possess gradient flows similar to\nthe scalar case and vertically solve a linear system coupled by a scalar\nHamilton Jacobi PDE. We also construct singular $\\infty$-Harmonic local $C^1$\ndiffeomorphisms and singular Aronsson Maps.",
      "lang": "en",
      "mimetype": "application/x-latex",
      "sha1": "8042eed8318546cf70263b636811d72d215114bb"
    },
    {
      "content": "By employing Aronsson's Absolute Minimizers of L^∞ functionals, we\nprove that Absolutely Minimizing Maps u:^n ^N solve a\n\"tangential\" Aronsson PDE system. By following Sheffield-Smart SS, we\nderive _∞ with respect to the dual operator norm and show that such\nmaps miss information along a hyperplane when compared to Tight Maps. We\nrecover the lost term which causes non-uniqueness and derive the complete\nAronsson system which has discontinuous coefficients. In particular, the\nEuclidean ∞-Laplacian is _∞ u = Du  Du : D^2u  + \n|Du|^2[Du]^ u where [Du]^ is the projection on the null space of\nDu^. We exibit C^∞ solutions having interfaces along which the\nrank of their gradient is discontinuous and propose a modification with C^0\ncoefficients which admits varifold solutions. Away from the interfaces,\nAronsson Maps satisfy a structural property of local splitting to 2 phases, an\nhorizontal and a vertical; horizontally they possess gradient flows similar to\nthe scalar case and vertically solve a linear system coupled by a scalar\nHamilton Jacobi PDE. We also construct singular ∞-Harmonic local C^1\ndiffeomorphisms and singular Aronsson Maps.",
      "lang": "en",
      "mimetype": "text/plain",
      "sha1": "06444937bacf5b645c6a4bb0d2bcf40820290aea"
    }
  ],
  "contribs": [
    {
      "index": 0,
      "raw_name": "Nikolaos I. Katzourakis",
      "role": "author"
    }
  ],
  "ext_ids": {
    "arxiv": "1105.4518v2"
  },
  "extra": {
    "arxiv": {
      "base_id": "1105.4518",
      "categories": [
        "math.AP"
      ],
      "comments": "17 pages, 2 figures, revised"
    },
    "superceded": true
  },
  "ident": "rk7mn5uaqjaslgcxc2nl6ijpaq",
  "language": "en",
  "license_slug": "ARXIV-1.0",
  "refs": [],
  "release_date": "2011-06-06",
  "release_stage": "submitted",
  "release_type": "article",
  "release_year": 2011,
  "revision": "049ae859-55ef-4f6b-a579-fbcc4a237284",
  "state": "active",
  "title": "L-Infininity Variational Problems for Maps and the Aronsson PDE System",
  "version": "v2",
  "work_id": "a7ofd6saovhztfb7xou6ijphcm"
}