Obstructions to slicing generalized doubles
by Van Cott, Cornelia A., Ph.D., INDIANA UNIVERSITY, 2008, 94 pages; 3330776

Abstract:

Determining whether a link is slice is a difficult and subtle problem which arises naturally when studying four-dimensional aspects of link theory. Our primary purpose in this work is to find obstructions to slicing a particular family of links called generalized doubles. A generalized double is a particular type of satellite link and can be specified by a knot K and a Brunnian link L with distinguished component α. In this work, we give a general procedure for analyzing the relationship between the concordance invariants of a knot K and those of any associated generalized double. We apply this procedure to several examples of generalized doubles. Moreover, we consider a specific family of generalized doubles called iterated Bing doubles BDn(K) and provide a new proof for the fact that if BDn( K) is slice for some n, then K is algebraically slice. The principal tools that we use in this work are branched covers of S3 and the geometric operation on knots called cabling. Several results studying the algebraic concordance classes of cable knots are also included.

 
AdviserCharles Livingston
SchoolINDIANA UNIVERSITY
SourceDAI/B 69-10, p. , Dec 2008
Source TypeDissertation
SubjectsMathematics
Publication Number3330776
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