Higher-order analogues of genus and slice genus of classical knots

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dc.contributor.advisorCochran, Tim D.
dc.creatorHorn, Peter Douglas
dc.date.accessioned2011-07-25T01:38:28Z
dc.date.available2011-07-25T01:38:28Z
dc.date.issued2009
dc.description.abstractWe define invariants analogous to the genus and slice genus of knots in S3. For algebraically slice, genus one knots, we define the differential genus, denoted dg, and we prove it is independent of the Alexander polynomial and knot Floer homology. For knots which bound Gropes of height n + 2 in D 4, we define the nth-order genus, denoted gn. Each of the n th-order genera is a generalization of the slice genus. For each n ≥ 1, we construct knots with identical lower-order genera and distinct nth-order genera, thus proving that these invariants are independent of one another. Finally, we employ the higher-order genera to give a refinement of the Grope filtration of the knot concordance group.
dc.format.mimetypeapplication/pdf
dc.identifier.callnoTHESIS MATH. 2009 HORN
dc.identifier.citationHorn, Peter Douglas. "Higher-order analogues of genus and slice genus of classical knots." (2009) Diss., Rice University. <a href="https://hdl.handle.net/1911/61828">https://hdl.handle.net/1911/61828</a>.
dc.identifier.urihttps://hdl.handle.net/1911/61828
dc.language.isoeng
dc.rightsCopyright 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.
dc.subjectMathematics
dc.titleHigher-order analogues of genus and slice genus of classical knots
dc.typeThesis
dc.type.materialText
thesis.degree.departmentMathematics
thesis.degree.disciplineNatural Sciences
thesis.degree.grantorRice University
thesis.degree.levelDoctoral
thesis.degree.nameDoctor of Philosophy
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