"subconvex" meaning in English

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "convex"
      },
      "expansion": "sub- + convex",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + convex.",
  "head_templates": [
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      "args": {
        "1": "-"
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      "expansion": "subconvex (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
  "senses": [
    {
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        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
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          "parents": [],
          "source": "w"
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        {
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          "langcode": "en",
          "name": "Mathematics",
          "orig": "en:Mathematics",
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      "examples": [
        {
          "ref": "2015, Johan Andersson, Anders Södergren, “On the universality of the Epstein zeta function”, in arXiv:",
          "text": "As part of the proof we obtain a strong bound of E#x5F;n(L,s) on the critical line that is subconvex for n#x5C;geq 5 and almost all n-dimensional lattices L..",
          "type": "quote"
        }
      ],
      "glosses": [
        "Less than or equal to a convex function."
      ],
      "id": "en-subconvex-en-adj-VGtDc2XP",
      "links": [
        [
          "mathematics",
          "mathematics"
        ]
      ],
      "raw_glosses": [
        "(mathematics) Less than or equal to a convex function."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "subconvex"
}

{
  "etymology_templates": [
    {
      "args": {
        "1": "en",
        "2": "sub",
        "3": "convex"
      },
      "expansion": "sub- + convex",
      "name": "prefix"
    }
  ],
  "etymology_text": "From sub- + convex.",
  "head_templates": [
    {
      "args": {
        "1": "-"
      },
      "expansion": "subconvex (not comparable)",
      "name": "en-adj"
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  "lang": "English",
  "lang_code": "en",
  "pos": "adj",
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      "examples": [
        {
          "ref": "2015, Johan Andersson, Anders Södergren, “On the universality of the Epstein zeta function”, in arXiv:",
          "text": "As part of the proof we obtain a strong bound of E#x5F;n(L,s) on the critical line that is subconvex for n#x5C;geq 5 and almost all n-dimensional lattices L..",
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        }
      ],
      "glosses": [
        "Less than or equal to a convex function."
      ],
      "links": [
        [
          "mathematics",
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      ],
      "raw_glosses": [
        "(mathematics) Less than or equal to a convex function."
      ],
      "tags": [
        "not-comparable"
      ],
      "topics": [
        "mathematics",
        "sciences"
      ]
    }
  ],
  "word": "subconvex"
}