{
  "aliases": null,
  "backlinks": null,
  "body": "\n## Definition\n\nA [[topological space|0CQHFPGJ45]] $X$ is *homogeneous* if for all $x, y \\in X$ there is a [[homeomorphism|0QT00PB5G2]] $h \\colon X \\to X$ with $h(x) = y$.\n\n## Remarks\n\nExample: every [[topological group|92700QAB5Y]] $G$ is homogeneous.\nFor $x, y \\in G$, left translation by $y x^{-1}$ is a homeomorphism with inverse the translation by $x y^{-1}$, and it sends $x$ to $y$.\nNon-example: the closed interval $[0, 1]$.\nA homeomorphism $h$ with $h(0) = 1/2$ would restrict to a homeomorphism from $(0, 1]$, which is connected, onto $[0, 1] \\setminus \\set{1/2}$, which is not connected.\nIn the language of group actions, $X$ is homogeneous when its homeomorphism group acts transitively on $X$.\n",
  "commit": "ff8a40749dc16545e3d2fc637f6b0196e81d0bfa",
  "front": {
    "defines": "A34VR4FMRE",
    "kind": "definition",
    "msc": [
      "54H15",
      "22F30"
    ],
    "name": "Topological homogeneity",
    "sources": [
      {
        "url": "https://en.wikipedia.org/wiki/Homogeneous_space"
      }
    ],
    "tag": "B6H4EY6R4Q",
    "uses": [
      "0CQHFPGJ45",
      "0QT00PB5G2",
      "92700QAB5Y"
    ]
  },
  "kind": "definition",
  "link": "https://tamnd.github.io/math2/node/B6H4EY6R4Q/",
  "links": [
    {
      "field": "defines",
      "target": "A34VR4FMRE"
    },
    {
      "field": "uses",
      "target": "0CQHFPGJ45"
    },
    {
      "field": "uses",
      "target": "0QT00PB5G2"
    },
    {
      "field": "uses",
      "target": "92700QAB5Y"
    }
  ],
  "markdown": "https://tamnd.github.io/math2/node/B6H4EY6R4Q.md",
  "msc": [
    "54H15",
    "22F30"
  ],
  "name": "Topological homogeneity",
  "prov": null,
  "role": "",
  "source": "https://github.com/tamnd/math2/blob/main/nodes/B6H/B6H4EY6R4Q.md",
  "status": null,
  "tag": "B6H4EY6R4Q",
  "uri": "m2://B6H4EY6R4Q",
  "url": "https://tamnd.github.io/math2/wiki/topological-homogeneity-definition/",
  "writing": {
    "tag": "B6H4EY6R4Q",
    "kind": "definition",
    "level": "W0",
    "next": [
      {
        "what": "an inventory row",
        "note": "the row of the inventory that the node accounts for",
        "have": 0,
        "want": 1
      },
      {
        "what": "a source with a locator",
        "have": 0,
        "want": 1
      }
    ]
  }
}
