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          <dc:title>高種数のモジュラー形式環と代数的組合せ論</dc:title>
          <dc:title xml:lang="en">Graded rings of modular forms in higher genera and algebraic combinatorics</dc:title>
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            <jpcoar:creatorName>大浦, 学</jpcoar:creatorName>
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          <datacite:description descriptionType="Abstract">モジュラー形式と代数的組合せ論の境界部分部で研究を行ってきた。２元体上自己双対重偶符号の重み多項式はある有限群の不変式となっている。ここで現れる有限群の中心化環の構造を小須田雅と共同で決定した。本村統吾と共同でZ4符号に対応するE-多項式が生成する環の生成元を決定した。小関道夫とともに、長さ８５の extremal な自己双対重偶符号から得られる extremal な格子の高種数のテータ関数について研究を行い、特に種数４ではそれらが異なることを示した。</datacite:description>
          <datacite:description descriptionType="Abstract">We have work in the boundary between the theory of modular forms and that of algebraic combinatorics. With Masashi Kosusa, we determined the structures of the centralizer rings of the tensor representation of the group associated to Type II binary codes. With Togo Motomura, we determined the generators of the garded ring of E-polynomials associated to Type II Z4-codes. With Michio Ozeki, we studied the theta series of five extremal Type II lattices of rank 85 and showed that they are distinct in genus four.</datacite:description>
          <datacite:description descriptionType="Other">研究課題/領域番号:25400014, 研究期間(年度):2013-04-01 - 2016-03-31</datacite:description>
          <datacite:description descriptionType="Other">出典：研究課題「高種数のモジュラー形式環と代数的組合せ論」課題番号:25400014
（KAKEN：科学研究費助成事業データベース（国立情報学研究所））
（https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-25400014/25400014seika/）を加工して作成</datacite:description>
          <datacite:description descriptionType="Other">金沢大学理工研究域数物科学系</datacite:description>
          <datacite:date dateType="Issued">2016-06-14</datacite:date>
          <dc:language>jpn</dc:language>
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          <jpcoar:identifier identifierType="DOI">https://doi.org/10.24517/00052385</jpcoar:identifier>
          <jpcoar:identifier identifierType="HDL">http://hdl.handle.net/2297/00052385</jpcoar:identifier>
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            <jpcoar:relatedTitle>https://kaken.nii.ac.jp/report/KAKENHI-PROJECT-25400014/25400014seika/</jpcoar:relatedTitle>
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          <jpcoar:sourceTitle>平成27(2015)年度 科学研究費補助金 基盤研究(C) 研究成果報告書</jpcoar:sourceTitle>
          <jpcoar:sourceTitle xml:lang="en">2015 Fiscal Year Final Research Report</jpcoar:sourceTitle>
          <jpcoar:volume>2013-04-01 - 2016-03-31</jpcoar:volume>
          <jpcoar:pageStart>5p.</jpcoar:pageStart>
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            <datacite:date dateType="Available">2018-10-04</datacite:date>
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