Example: Normal fan of dodecahedron

Profiles: OSCAR v1.0, OSCAR v1.1, OSCAR v1.2, OSCAR v1.3, OSCAR v1.4, OSCAR v1.5, OSCAR v1.6, OSCAR v1.7, OSCAR v1.8

Construct the normal fan of a dodecahedron and compute maximal-cone facets.

Systems

Oscar.jl

Generate code (generate.jl) [ edit ]

using Oscar

obj = normal_fan(dodecahedron())
Polymake.give(Oscar.pm_object(obj), :MAXIMAL_CONES_FACETS)

save("data.mrdi", obj)

Data outputs

Profiles: OSCAR v1.0

Data file: data.mrdi

{
  "_ns": {"Oscar": ["https://github.com/oscar-system/Oscar.jl", "1.0.5"]},
  "_type": {"name": "PolyhedralFan", "params": "ee689053-9468-41a5-95bc-8e76ae61bd73"},
  "data": {
    "_type": {
      "name": "Dict",
      "params": {
        "key_type": "String",
        "FAN_DIM": "Base.Int",
        "REGULAR": "Bool",
        "LINEALITY_SPACE": {"name": "MatElem", "params": "ffe1bae3-b384-44a9-a574-b9c4afd3ec91"},
        "_coeff": "EmbeddedNumField",
        "FAN_AMBIENT_DIM": "Base.Int",
        "_type": "String",
        "PSEUDO_REGULAR": "Bool",
        "LINEAR_SPAN_NORMALS": {"name": "MatElem", "params": "ffe1bae3-b384-44a9-a574-b9c4afd3ec91"},
        "MAXIMAL_CONES_FACETS": {"name": "Matrix", "params": "Base.Int"},
        "MAXIMAL_CONES": "Polymake.IncidenceMatrixAllocated{Polymake.NonSymmetric}",
        "MAXIMAL_CONES_LINEAR_SPAN_NORMALS": "Polymake.IncidenceMatrixAllocated{Polymake.NonSymmetric}",
        "RAYS": {"name": "MatElem", "params": "0478086e-10f6-4d36-a0f9-354d30b130dd"},
        "COMPLETE": "Bool",
        "FACET_NORMALS": {"name": "MatElem", "params": "aaf77b9d-df0a-4e5e-9169-446f9f656271"},
        "GROUP": {
          "name": "Dict",
          "params": {
            "key_type": "String",
            "RAYS_ACTION": {
              "name": "Dict",
              "params": {
                "key_type": "String",
                "GENERATORS": {"name": "Vector", "params": {"name": "Vector", "params": "Base.Int"}}
              }
            }
          }
        }
      }
    },
    "data": {
      "FAN_DIM": "3",
      "REGULAR": "true",
      "LINEALITY_SPACE": [],
      "_coeff": {
        "num_field": "3d20d31c-f11f-482f-aaf9-164ff355c054",
        "embedding": "00a2c7d1-3560-4dcc-8b75-16ea45bac968"
      },
      "FAN_AMBIENT_DIM": "3",
      "_type": "fan::PolyhedralFan<OscarNumber>",
      "PSEUDO_REGULAR": "true",
      "LINEAR_SPAN_NORMALS": [],
      "MAXIMAL_CONES_FACETS": [
        ["1", "1", "1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["0", "-1", "0", "1", "1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["0", "0", "-1", "0", "0", "1", "1", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["0", "0", "0", "-1", "0", "0", "0", "1", "1", "0", "0", "0", "0", "0", "0"],
        ["-1", "0", "0", "0", "0", "0", "0", "0", "0", "1", "1", "0", "0", "0", "0"],
        ["0", "0", "0", "0", "0", "0", "-1", "-1", "0", "0", "0", "1", "0", "0", "0"],
        ["0", "0", "0", "0", "-1", "0", "0", "0", "0", "0", "0", "0", "1", "1", "0"],
        ["0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "-1", "1", "-1", "0", "0"],
        ["0", "0", "0", "0", "0", "-1", "0", "0", "0", "0", "0", "0", "0", "1", "1"],
        ["0", "0", "0", "0", "0", "0", "0", "0", "1", "-1", "0", "0", "0", "0", "-1"],
        ["0", "0", "0", "0", "0", "0", "0", "0", "-1", "1", "0", "0", "0", "0", "1"],
        ["0", "0", "0", "0", "0", "1", "0", "0", "0", "0", "0", "0", "0", "-1", "-1"],
        ["0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "1", "-1", "1", "0", "0"],
        ["0", "0", "0", "0", "1", "0", "0", "0", "0", "0", "0", "0", "-1", "-1", "0"],
        ["0", "0", "0", "0", "0", "0", "1", "1", "0", "0", "0", "-1", "0", "0", "0"],
        ["1", "0", "0", "0", "0", "0", "0", "0", "0", "-1", "-1", "0", "0", "0", "0"],
        ["0", "0", "0", "1", "0", "0", "0", "-1", "-1", "0", "0", "0", "0", "0", "0"],
        ["0", "0", "1", "0", "0", "-1", "-1", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["0", "1", "0", "-1", "-1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["-1", "-1", "-1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"]
      ],
      "MAXIMAL_CONES": {
        "_ns": {"polymake": ["https://polymake.org", "4.11"]},
        "data": [
          [0, 1, 2],
          [1, 2, 5],
          [0, 1, 6],
          [1, 5, 7],
          [0, 2, 4],
          [1, 6, 7],
          [2, 5, 9],
          [2, 4, 9],
          [0, 6, 10],
          [0, 4, 10],
          [3, 5, 7],
          [3, 5, 9],
          [6, 7, 8],
          [6, 8, 10],
          [4, 9, 11],
          [3, 7, 8],
          [4, 10, 11],
          [3, 9, 11],
          [8, 10, 11],
          [3, 8, 11],
          {"cols": 12}
        ],
        "_type": "common::IncidenceMatrix<NonSymmetric>"
      },
      "MAXIMAL_CONES_LINEAR_SPAN_NORMALS": {
        "_type": "common::IncidenceMatrix<NonSymmetric>",
        "_ns": {"polymake": ["https://polymake.org", "4.11"]},
        "data": [
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          {"cols": 0}
        ]
      },
      "RAYS": [
        [[["0", "-1"]], [["0", "1//2"], ["1", "-1//2"]], []],
        [[], [["0", "-1"]], [["0", "1//2"], ["1", "-1//2"]]],
        [[], [["0", "-1"]], [["0", "-1//2"], ["1", "1//2"]]],
        [[["0", "1"]], [["0", "-1//2"], ["1", "1//2"]], []],
        [[["0", "-1"]], [], [["0", "1//2"], ["1", "1//2"]]],
        [[["0", "1"]], [["0", "1//2"], ["1", "-1//2"]], []],
        [[["0", "-1"]], [], [["0", "-1//2"], ["1", "-1//2"]]],
        [[["0", "1"]], [], [["0", "-1//2"], ["1", "-1//2"]]],
        [[], [["0", "1"]], [["0", "1//2"], ["1", "-1//2"]]],
        [[["0", "1"]], [], [["0", "1//2"], ["1", "1//2"]]],
        [[["0", "-1"]], [["0", "-1//2"], ["1", "1//2"]], []],
        [[], [["0", "1"]], [["0", "-1//2"], ["1", "1//2"]]]
      ],
      "COMPLETE": "true",
      "FACET_NORMALS": [
        [[["0", "3//2"], ["1", "-1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "-1"]], [], []],
        [[["0", "3//2"], ["1", "-1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "-3//2"], ["1", "1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "-3//2"], ["1", "1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "1//2"], ["1", "1//2"]], [["0", "-3//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "-1//2"], ["1", "-1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "1//2"], ["1", "1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "-1//2"], ["1", "-1//2"]], [["0", "-3//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "1//2"], ["1", "1//2"]], [["0", "-3//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "-1//2"], ["1", "-1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[], [["0", "-1"]], []],
        [[["0", "1//2"], ["1", "1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "-1//2"], ["1", "-1//2"]], [["0", "-3//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[], [], [["0", "-1"]]]
      ],
      "GROUP": {
        "RAYS_ACTION": {
          "GENERATORS": [
            ["5", "1", "2", "10", "9", "0", "7", "6", "8", "4", "3", "11"],
            ["2", "1", "0", "8", "4", "6", "5", "7", "3", "10", "9", "11"],
            ["0", "2", "1", "3", "6", "5", "4", "9", "11", "7", "10", "8"]
          ]
        }
      }
    }
  },
  "_refs": {
    "ee689053-9468-41a5-95bc-8e76ae61bd73": {
      "_type": "EmbeddedNumField",
      "data": {
        "num_field": "3d20d31c-f11f-482f-aaf9-164ff355c054",
        "embedding": "00a2c7d1-3560-4dcc-8b75-16ea45bac968"
      }
    },
    "ffe1bae3-b384-44a9-a574-b9c4afd3ec91": {
      "_type": "MatSpace",
      "data": {"base_ring": "ee689053-9468-41a5-95bc-8e76ae61bd73", "ncols": "3", "nrows": "0"}
    },
    "0478086e-10f6-4d36-a0f9-354d30b130dd": {
      "_type": "MatSpace",
      "data": {"base_ring": "ee689053-9468-41a5-95bc-8e76ae61bd73", "ncols": "3", "nrows": "12"}
    },
    "aaf77b9d-df0a-4e5e-9169-446f9f656271": {
      "_type": "MatSpace",
      "data": {"base_ring": "ee689053-9468-41a5-95bc-8e76ae61bd73", "ncols": "3", "nrows": "15"}
    },
    "3d20d31c-f11f-482f-aaf9-164ff355c054": {
      "_type": "AbsSimpleNumField",
      "data": {
        "def_pol": {
          "_type": {"name": "PolyRingElem", "params": "d02d8437-061b-403c-993a-5091ee59780c"},
          "data": [["0", "-5"], ["2", "1"]]
        },
        "var": "sqrt(5)"
      }
    },
    "00a2c7d1-3560-4dcc-8b75-16ea45bac968": {
      "_type": "Hecke.AbsSimpleNumFieldEmbedding",
      "data": {
        "num_field": "3d20d31c-f11f-482f-aaf9-164ff355c054",
        "data": {
          "_type": {"name": "AcbFieldElem", "params": {"_type": "AcbField", "data": "35"}},
          "data": ["478dde6e5 -21 20000003 -3e", "0 0 0 0"]
        }
      }
    },
    "d02d8437-061b-403c-993a-5091ee59780c": {"_type": "PolyRing", "data": {"base_ring": {"_type": "QQField"}, "symbols": ["x"]}}
  }
}

Profiles: OSCAR v1.1, OSCAR v1.2

Data file: data.mrdi

{
  "_ns": {"Oscar": ["https://github.com/oscar-system/Oscar.jl", "1.2.2"]},
  "_type": {"name": "PolyhedralFan", "params": "3dad9c06-0c3e-43e5-aedd-633e1d18cb6c"},
  "data": {
    "_type": {
      "name": "Dict",
      "params": {
        "key_type": "String",
        "FAN_DIM": "Base.Int",
        "REGULAR": "Bool",
        "LINEALITY_SPACE": {"name": "MatElem", "params": "0a4536d8-e9a3-4097-8974-58c0d9840ad8"},
        "_coeff": "EmbeddedNumField",
        "FAN_AMBIENT_DIM": "Base.Int",
        "_type": "String",
        "PSEUDO_REGULAR": "Bool",
        "LINEAR_SPAN_NORMALS": {"name": "MatElem", "params": "0a4536d8-e9a3-4097-8974-58c0d9840ad8"},
        "MAXIMAL_CONES_FACETS": {"name": "Matrix", "params": "Base.Int"},
        "MAXIMAL_CONES": "Polymake.IncidenceMatrixAllocated{Polymake.NonSymmetric}",
        "MAXIMAL_CONES_LINEAR_SPAN_NORMALS": "Polymake.IncidenceMatrixAllocated{Polymake.NonSymmetric}",
        "RAYS": {"name": "MatElem", "params": "197bd141-7100-4580-8d74-9a46ff4604c7"},
        "COMPLETE": "Bool",
        "FACET_NORMALS": {"name": "MatElem", "params": "b9570ed2-b34b-432f-a8d5-0a706c0c41ca"},
        "GROUP": {
          "name": "Dict",
          "params": {
            "key_type": "String",
            "RAYS_ACTION": {
              "name": "Dict",
              "params": {
                "key_type": "String",
                "GENERATORS": {"name": "Vector", "params": {"name": "Vector", "params": "Base.Int"}}
              }
            },
            "_description": "String"
          }
        }
      }
    },
    "data": {
      "FAN_DIM": "3",
      "REGULAR": "true",
      "LINEALITY_SPACE": [],
      "_coeff": {
        "num_field": "8836e28c-1192-4a31-aa02-84baaf95797d",
        "embedding": "5b23804f-4148-4cd1-94e7-7f62264dffbc"
      },
      "FAN_AMBIENT_DIM": "3",
      "_type": "fan::PolyhedralFan<OscarNumber>",
      "PSEUDO_REGULAR": "true",
      "LINEAR_SPAN_NORMALS": [],
      "MAXIMAL_CONES_FACETS": [
        ["1", "1", "1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["0", "-1", "0", "1", "1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["0", "0", "-1", "0", "0", "1", "1", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["0", "0", "0", "-1", "0", "0", "0", "1", "1", "0", "0", "0", "0", "0", "0"],
        ["-1", "0", "0", "0", "0", "0", "0", "0", "0", "1", "1", "0", "0", "0", "0"],
        ["0", "0", "0", "0", "0", "0", "-1", "-1", "0", "0", "0", "1", "0", "0", "0"],
        ["0", "0", "0", "0", "-1", "0", "0", "0", "0", "0", "0", "0", "1", "1", "0"],
        ["0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "-1", "1", "-1", "0", "0"],
        ["0", "0", "0", "0", "0", "-1", "0", "0", "0", "0", "0", "0", "0", "1", "1"],
        ["0", "0", "0", "0", "0", "0", "0", "0", "1", "-1", "0", "0", "0", "0", "-1"],
        ["0", "0", "0", "0", "0", "0", "0", "0", "-1", "1", "0", "0", "0", "0", "1"],
        ["0", "0", "0", "0", "0", "1", "0", "0", "0", "0", "0", "0", "0", "-1", "-1"],
        ["0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "1", "-1", "1", "0", "0"],
        ["0", "0", "0", "0", "1", "0", "0", "0", "0", "0", "0", "0", "-1", "-1", "0"],
        ["0", "0", "0", "0", "0", "0", "1", "1", "0", "0", "0", "-1", "0", "0", "0"],
        ["1", "0", "0", "0", "0", "0", "0", "0", "0", "-1", "-1", "0", "0", "0", "0"],
        ["0", "0", "0", "1", "0", "0", "0", "-1", "-1", "0", "0", "0", "0", "0", "0"],
        ["0", "0", "1", "0", "0", "-1", "-1", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["0", "1", "0", "-1", "-1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"],
        ["-1", "-1", "-1", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0", "0"]
      ],
      "MAXIMAL_CONES": {
        "_type": "common::IncidenceMatrix<NonSymmetric>",
        "_ns": {"polymake": ["https://polymake.org", "4.13"]},
        "data": [
          [0, 1, 2],
          [1, 2, 5],
          [0, 1, 6],
          [1, 5, 7],
          [0, 2, 4],
          [1, 6, 7],
          [2, 5, 9],
          [2, 4, 9],
          [0, 6, 10],
          [0, 4, 10],
          [3, 5, 7],
          [3, 5, 9],
          [6, 7, 8],
          [6, 8, 10],
          [4, 9, 11],
          [3, 7, 8],
          [4, 10, 11],
          [3, 9, 11],
          [8, 10, 11],
          [3, 8, 11],
          {"cols": 12}
        ]
      },
      "MAXIMAL_CONES_LINEAR_SPAN_NORMALS": {
        "_type": "common::IncidenceMatrix<NonSymmetric>",
        "_ns": {"polymake": ["https://polymake.org", "4.13"]},
        "data": [
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          [],
          {"cols": 0}
        ]
      },
      "RAYS": [
        [[["0", "-1"]], [["0", "1//2"], ["1", "-1//2"]], []],
        [[], [["0", "-1"]], [["0", "1//2"], ["1", "-1//2"]]],
        [[], [["0", "-1"]], [["0", "-1//2"], ["1", "1//2"]]],
        [[["0", "1"]], [["0", "-1//2"], ["1", "1//2"]], []],
        [[["0", "-1"]], [], [["0", "1//2"], ["1", "1//2"]]],
        [[["0", "1"]], [["0", "1//2"], ["1", "-1//2"]], []],
        [[["0", "-1"]], [], [["0", "-1//2"], ["1", "-1//2"]]],
        [[["0", "1"]], [], [["0", "-1//2"], ["1", "-1//2"]]],
        [[], [["0", "1"]], [["0", "1//2"], ["1", "-1//2"]]],
        [[["0", "1"]], [], [["0", "1//2"], ["1", "1//2"]]],
        [[["0", "-1"]], [["0", "-1//2"], ["1", "1//2"]], []],
        [[], [["0", "1"]], [["0", "-1//2"], ["1", "1//2"]]]
      ],
      "COMPLETE": "true",
      "FACET_NORMALS": [
        [[["0", "3//2"], ["1", "-1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "-1"]], [], []],
        [[["0", "3//2"], ["1", "-1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "-3//2"], ["1", "1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "-3//2"], ["1", "1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "1//2"], ["1", "1//2"]], [["0", "-3//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "-1//2"], ["1", "-1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "1//2"], ["1", "1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "-1//2"], ["1", "-1//2"]], [["0", "-3//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "1//2"], ["1", "1//2"]], [["0", "-3//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[["0", "-1//2"], ["1", "-1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[], [["0", "-1"]], []],
        [[["0", "1//2"], ["1", "1//2"]], [["0", "1//2"], ["1", "-1//2"]], [["0", "-1"]]],
        [[["0", "-1//2"], ["1", "-1//2"]], [["0", "-3//2"], ["1", "-1//2"]], [["0", "1"]]],
        [[], [], [["0", "-1"]]]
      ],
      "GROUP": {
        "RAYS_ACTION": {
          "GENERATORS": [
            ["5", "1", "2", "10", "9", "0", "7", "6", "8", "4", "3", "11"],
            ["2", "1", "0", "8", "4", "6", "5", "7", "3", "10", "9", "11"],
            ["0", "2", "1", "3", "6", "5", "4", "9", "11", "7", "10", "8"]
          ]
        },
        "_description": "symmetry group induced by the group of the original polytope\n"
      }
    }
  },
  "_refs": {
    "3dad9c06-0c3e-43e5-aedd-633e1d18cb6c": {
      "_type": "EmbeddedNumField",
      "data": {
        "num_field": "8836e28c-1192-4a31-aa02-84baaf95797d",
        "embedding": "5b23804f-4148-4cd1-94e7-7f62264dffbc"
      }
    },
    "0a4536d8-e9a3-4097-8974-58c0d9840ad8": {
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This serialized output is equivalent for these profiles up to UUID renaming and recorded namespace version strings.

Profiles: OSCAR v1.3

Data file: data.mrdi

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}

Profiles: OSCAR v1.4

Data file: data.mrdi

{
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}

Profiles: OSCAR v1.5, OSCAR v1.6, OSCAR v1.7

Data file: data.mrdi

{
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This serialized output is equivalent for these profiles up to UUID renaming and recorded namespace version strings.

Profiles: OSCAR v1.8

Data file: data.mrdi

{
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