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math.GT2001
Signatures of covering links
Jae Choon Cha, Ki Hyoung Ko
The theory of signature invariants of links in rational homology spheres is applied to covering links of homology boundary links. From patterns and Seifert matrices of homology bou…
math.GT2001
Signatures of links in rational homology spheres
Jae Choon Cha, Ki Hyoung Ko
A theory of signatures for odd-dimensional links in rational homology spheres is studied via their generalized Seifert surfaces. The jump functions of signatures are shown invarian…
math.GT2001
The effect of mutation on link concordance, 3-manifolds and the Milnor invariants
Jae Choon Cha
We study the effect of mutation on link concordance and 3-manifolds. We show that the set of links concordant to sublinks of homology boundary links is not closed under positive mu…