Hassett, Brendan E.2009-06-032009-06-032007Knecht, Amanda Leigh. "Weak approximation for degree 2del Pezzo surfaces at places of bad reduction." (2007) Diss., Rice University. <a href="https://hdl.handle.net/1911/20618">https://hdl.handle.net/1911/20618</a>.https://hdl.handle.net/1911/20618This thesis addresses weak approximation for certain degree 2 del Pezzo surfaces defined over the function field of a curve. We study the rational connectivity of the smooth locus of singular reductions of the surfaces to find prescribed sections through these fibers.59 p.application/pdfengCopyright is held by the author, unless otherwise indicated. Permission to reuse, publish, or reproduce the work beyond the bounds of fair use or other exemptions to copyright law must be obtained from the copyright holder.MathematicsThesisTHESIS MATH. 2007 KNECHT