Given a 3-manifold M , there are generically infinitely many manifold which covers M . However, if we are restricted to the category of knot complements, the situation is quite different. It can be shown (see Lemma 1 and bellow) that if the complement E(K) of a knot K is n-fold covered by some knot complement, then the covering is cyclic, and K admits a cyclic surgery, i.e. a Dehn surgery such ...

Important others' perceptions influence self-perceptions. This presents a challenge for the critical developmental task of integrating all aspects of identity, as identities that are devalued or stigmatized by society are harder to own than valued ones. Across 3 studies, we tested the idea that conflictual or stigmatized identities are harder to own, or integrate into the self, than are nonconf...

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