{
  "aliases": [
    "internal-direct-sum"
  ],
  "backlinks": [
    {
      "field": "defines",
      "target": "041JTZCK9Q"
    }
  ],
  "body": "\n## Summary\n\nA vector space is the direct sum of a family of subspaces when each vector is a sum of vectors from the subspaces.\nThis sum must be unique.\n",
  "commit": "f591989ed15704e9d8755a7a5a6426d73de7a3ae",
  "front": {
    "aliases": [
      "internal-direct-sum"
    ],
    "kind": "concept",
    "msc": [
      "15A03"
    ],
    "name": "Direct sum of subspaces",
    "sources": [
      {
        "locator": "Internal direct sum",
        "url": "https://en.wikipedia.org/wiki/Direct_sum_of_modules"
      }
    ],
    "tag": "0XYYT5KNTX"
  },
  "kind": "concept",
  "link": "https://math2.tamnd.com/node/0XYYT5KNTX/",
  "links": null,
  "markdown": "https://math2.tamnd.com/node/0XYYT5KNTX.md",
  "msc": [
    "15A03"
  ],
  "name": "Direct sum of subspaces",
  "prov": null,
  "role": "",
  "source": "https://github.com/tamnd/math2/blob/main/nodes/0XY/0XYYT5KNTX.md",
  "status": null,
  "tag": "0XYYT5KNTX",
  "uri": "m2://0XYYT5KNTX",
  "url": "https://math2.tamnd.com/wiki/direct-sum-of-subspaces/",
  "writing": {
    "tag": "0XYYT5KNTX",
    "kind": "concept",
    "level": "W0",
    "next": [
      {
        "what": "an inventory row",
        "note": "the row of the inventory that the node accounts for",
        "have": 0,
        "want": 1
      }
    ]
  }
}