"group ring" meaning in All languages combined

See group ring on Wiktionary

Noun [English]

Forms: group rings [plural]
Head templates: {{en-noun}} group ring (plural group rings)
  1. (algebra) Given ring R with identity not equal to zero, and group G=g_1,g_2,...,g_n, the group ring RG has elements of the form a_1g_1+a_2g_2+...+a_ng_n (where a_i isin R) such that the sum of a_1g_1+a_2g_2+...+a_ng_n and b_1g_1+b_2g_2+...+b_ng_n is (a_1+b_1)g_1+(a_2+b_2)g_2+...+(a_n+b_n)g_n and the product is ∑ₖ₌₁ⁿ(∑_(g_ig_j=g_k)a_ib_j)g_k. Wikipedia link: group ring Categories (topical): Algebra, Ring theory Synonyms: group algebra Hypernyms: algebra over a ring, free module, ring Translations (Translations): anel de grupo [masculine] (Portuguese)

Inflected forms

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  "forms": [
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      "tags": [
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          "kind": "topical",
          "langcode": "en",
          "name": "Algebra",
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      "glosses": [
        "Given ring R with identity not equal to zero, and group G=g_1,g_2,...,g_n, the group ring RG has elements of the form a_1g_1+a_2g_2+...+a_ng_n (where a_i isin R) such that the sum of a_1g_1+a_2g_2+...+a_ng_n and b_1g_1+b_2g_2+...+b_ng_n is (a_1+b_1)g_1+(a_2+b_2)g_2+...+(a_n+b_n)g_n and the product is ∑ₖ₌₁ⁿ(∑_(g_ig_j=g_k)a_ib_j)g_k."
      ],
      "hypernyms": [
        {
          "word": "algebra over a ring"
        },
        {
          "word": "free module"
        },
        {
          "word": "ring"
        }
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      "id": "en-group_ring-en-noun-I2RdT1cI",
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        "(algebra) Given ring R with identity not equal to zero, and group G=g_1,g_2,...,g_n, the group ring RG has elements of the form a_1g_1+a_2g_2+...+a_ng_n (where a_i isin R) such that the sum of a_1g_1+a_2g_2+...+a_ng_n and b_1g_1+b_2g_2+...+b_ng_n is (a_1+b_1)g_1+(a_2+b_2)g_2+...+(a_n+b_n)g_n and the product is ∑ₖ₌₁ⁿ(∑_(g_ig_j=g_k)a_ib_j)g_k."
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          "word": "group algebra"
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          "word": "anel de grupo"
        }
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    },
    {
      "word": "free module"
    },
    {
      "word": "ring"
    }
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  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
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      ],
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        [
          "group",
          "group"
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      "raw_glosses": [
        "(algebra) Given ring R with identity not equal to zero, and group G=g_1,g_2,...,g_n, the group ring RG has elements of the form a_1g_1+a_2g_2+...+a_ng_n (where a_i isin R) such that the sum of a_1g_1+a_2g_2+...+a_ng_n and b_1g_1+b_2g_2+...+b_ng_n is (a_1+b_1)g_1+(a_2+b_2)g_2+...+(a_n+b_n)g_n and the product is ∑ₖ₌₁ⁿ(∑_(g_ig_j=g_k)a_ib_j)g_k."
      ],
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        "mathematics",
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  "synonyms": [
    {
      "word": "group algebra"
    }
  ],
  "translations": [
    {
      "code": "pt",
      "lang": "Portuguese",
      "sense": "Translations",
      "tags": [
        "masculine"
      ],
      "word": "anel de grupo"
    }
  ],
  "word": "group ring"
}

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This page is a part of the kaikki.org machine-readable All languages combined dictionary. This dictionary is based on structured data extracted on 2024-11-06 from the enwiktionary dump dated 2024-10-02 using wiktextract (fbeafe8 and 7f03c9b). The data shown on this site has been post-processed and various details (e.g., extra categories) removed, some information disambiguated, and additional data merged from other sources. See the raw data download page for the unprocessed wiktextract data.

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