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        <datestamp>2023-07-10</datestamp>
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          <dc:contributor>Ando, Matthew</dc:contributor>
          <dc:contributor>Rezk, Charles</dc:contributor>
          <dc:contributor>Ando, Matthew</dc:contributor>
          <dc:contributor>McCarthy, Randy</dc:contributor>
          <dc:contributor>Guillou, Bertrand</dc:contributor>
          <dc:creator>Chen, Hsian-Yang</dc:creator>
          <dc:date>2010-08-20T17:58:52Z</dc:date>
          <dc:date>2010-08-20T17:58:52Z</dc:date>
          <dc:date>2010-08-20T17:58:52Z</dc:date>
          <dc:date>2010-08</dc:date>
          <dc:description>Let $ \mathcal{C} \colon= \mathds{C}/ \Lambda$ be a complex elliptic curve. In this paper, we give a detailed construction of torus equivariant elliptic cohomology, which is a sheaf of $ \mathcal{ O}_{\mathcal{C}^n}$-algebras over $ \mathcal{C}^n$. As applications, we construct global sections for sigma functions and relates these sections to the elliptic orbifold genera.</dc:description>
          <dc:description>Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2010-06-28T15:51:58Z
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          <dc:language>en</dc:language>
          <dc:rights>Copyright 2010 Hsian-Yang Chen</dc:rights>
          <dc:subject>elliptic cohomology</dc:subject>
          <dc:subject>sigma orientation</dc:subject>
          <dc:title>Torus equivariant elliptic cohomology and sigma orientations</dc:title>
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            <department>Mathematics</department>
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            <discipline>Mathematics</discipline>
            <disciplineCode>0439</disciplineCode>
            <grantor>University of Illinois at Urbana-Champaign</grantor>
            <level>Dissertation</level>
            <name>Ph.D.</name>
            <program>PHD:Mathematics -UIUC</program>
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