"group scheme" meaning in English

See group scheme in All languages combined, or Wiktionary

Noun

Forms: group schemes [plural]
Head templates: {{en-noun}} group scheme (plural group schemes)
  1. (category theory, scheme theory) A group object that is an object in a category of schemes; a scheme that has certain properties that generalise the concept of group. Wikipedia link: group scheme Categories (topical): Category theory

Inflected forms

Download JSON data for group scheme meaning in English (2.7kB)

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          "ref": "1973, Jean A. Dieudonné, Introduction to the Theory of Formal Groups, Marcel Dekker, page 6",
          "text": "It is instructive to give a few explicit examples of such group schemes:",
          "type": "quotation"
        },
        {
          "ref": "2013, Philippe Gille, Arturo Pianzola, Torsors, Reductive Group Schemes and Extended Affine Lie Algebras, American Mathematical Society, page 11",
          "text": "We will tend to use boldface characters, such as #x5C;mathbf#x7B;G#x7D;, for algebraic groups over k, as also for group schemes over #x5C;mathfrak#x7B;X#x7D; that are obtained from groups over k. A quintessential example is #x5C;mathbf#x7B;G#x7D;#x5F;#x5C;mathfrak#x7B;X#x7D;#x3D;#x5C;mathbf#x7B;G#x7D;#x5C;times#x5F;#x7B;k#x7D;#x5C;mathfrak#x7B;X#x7D;. For arbitrary group schemes, or more generally group functors, over #x5C;mathfrak#x7B;X#x7D; we shall tend to use german characters, such as #x5C;mathfrak#x7B;G#x7D;.",
          "type": "quotation"
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        {
          "ref": "2014, J. S. Milne, “The Work of John Tate”, in Helge Holden, Ragni Piene, editors, The Abel Prize 2008-2012, Springer,, page 303",
          "text": "Every finite flat group scheme of order p over S is of the form Gᴸ#x5F;#x7B;a,b#x7D; for some triple (L,a,b), and G#x7B;L#x7D;#x5F;#x7B;a,b#x7D; is isomorphic to G#x7B;L#x5F;1#x7D;#x5F;#x7B;a#x5F;1,b#x5F;1#x7D; if and only if there exists an isomorphism from L to L#x5F;1 carrying a to a#x5F;1 and b to b#x5F;1.",
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        "(category theory, scheme theory) A group object that is an object in a category of schemes; a scheme that has certain properties that generalise the concept of group."
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        {
          "ref": "2013, Philippe Gille, Arturo Pianzola, Torsors, Reductive Group Schemes and Extended Affine Lie Algebras, American Mathematical Society, page 11",
          "text": "We will tend to use boldface characters, such as #x5C;mathbf#x7B;G#x7D;, for algebraic groups over k, as also for group schemes over #x5C;mathfrak#x7B;X#x7D; that are obtained from groups over k. A quintessential example is #x5C;mathbf#x7B;G#x7D;#x5F;#x5C;mathfrak#x7B;X#x7D;#x3D;#x5C;mathbf#x7B;G#x7D;#x5C;times#x5F;#x7B;k#x7D;#x5C;mathfrak#x7B;X#x7D;. For arbitrary group schemes, or more generally group functors, over #x5C;mathfrak#x7B;X#x7D; we shall tend to use german characters, such as #x5C;mathfrak#x7B;G#x7D;.",
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          "text": "Every finite flat group scheme of order p over S is of the form Gᴸ#x5F;#x7B;a,b#x7D; for some triple (L,a,b), and G#x7B;L#x7D;#x5F;#x7B;a,b#x7D; is isomorphic to G#x7B;L#x5F;1#x7D;#x5F;#x7B;a#x5F;1,b#x5F;1#x7D; if and only if there exists an isomorphism from L to L#x5F;1 carrying a to a#x5F;1 and b to b#x5F;1.",
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This page is a part of the kaikki.org machine-readable English dictionary. This dictionary is based on structured data extracted on 2024-05-05 from the enwiktionary dump dated 2024-05-02 using wiktextract (f4fd8c9 and c9440ce). 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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