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        <datestamp>2023-07-11</datestamp>
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          <dc:contributor>Nevins, Thomas A.</dc:contributor>
          <dc:contributor>Katz, Sheldon</dc:contributor>
          <dc:contributor>Nevins, Thomas A.</dc:contributor>
          <dc:contributor>Bradlow, Steven B.</dc:contributor>
          <dc:contributor>Schenck, Henry K.</dc:contributor>
          <dc:creator>Li, Chunyi</dc:creator>
          <dc:date>2014-05-30T17:04:43Z</dc:date>
          <dc:date>2014-05-30T17:04:43Z</dc:date>
          <dc:date>2016-09-22T20:59:22Z</dc:date>
          <dc:date>2014-05</dc:date>
          <dc:date>2014-05-30T17:04:43Z</dc:date>
          <dc:date>2014-05</dc:date>
          <dc:description>The Hilbert scheme of $n$ points in a smooth del Pezzo surface $S$ parameterizes zero-dimensional subschemes with length $n$ on $S$. We construct a flat family of deformations of Hilb$^n S$ which can be conceptually understood as the family of Hilbert schemes of points on a family of noncommutative deformations of $S$. Further we show that each deformed Hilb$^n S$ carries a generically symplectic holomorphic Poisson structure. Moreover, the generic deformation of Hilb$^nS$ has a $(k+2)$-dimensional moduli space, where the del Pezzo surface is the blow up of projective plane at $k$ sufficiently general points; and each of the fibers is of the form that we construct. Our work generalizes results of Nevins-Stafford constructing deformations of the Hilbert scheme of points on the plane, and of Hitchin studying those deformations from the viewpoint of Poisson geometry.</dc:description>
          <dc:description>Item withdrawn by Mark Zulauf (zulauf@illinois.edu) on 2014-04-23T14:15:57Z
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Original Data
Group with Access UIUC Users [automated]
Release Date: 2016-05-30 12:09:03 UTC
Reason: Author requested U of Illinois access only (OA after 2yrs) in Vireo ETD system</dc:description>
          <dc:description>Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Seth Robbins (robbins.sd@gmail.com) on 2014-05-30T17:09:34Z
Item is restricted until 2016-05-30T17:09:03Z</dc:description>
          <dc:description>U of I Only Restriction Lifted for Item 49735 on 2016-09-22T20:59:22Z.</dc:description>
          <dc:identifier>http://hdl.handle.net/2142/49684</dc:identifier>
          <dc:language>en</dc:language>
          <dc:rights>Copyright 2014 Chunyi Li</dc:rights>
          <dc:subject>Hilbert scheme</dc:subject>
          <dc:subject>deformation theory</dc:subject>
          <dc:subject>del Pezzo surface</dc:subject>
          <dc:title>Deformations of the Hilbert scheme of points on a del Pezzo surface</dc:title>
          <dc:type>text</dc:type>
          <degree>
            <department>Mathematics</department>
            <departmentCode>1257</departmentCode>
            <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>
            <programCode>10KS0439PHD</programCode>
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