We are inviting IDEALS users, both people looking for materials in IDEALS and those who want to deposit their work, to give us feedback on improving this service through an interview. Participants will receive a $20 VISA gift card. Please sign up via webform. # Browse Dissertations and Theses - Mathematics by Author "Cavagnaro, Catherine Elizabeth" • (1995) In this paper, we present two new spines for ribbon disc complements. We describe Craggs's 3-dimensional spine and introduce a 2-dimensional spine${\cal W}\sp2\$ which we show satisfies the homotopy reciprocity law. We ...

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