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A partial order in the knot table II
Authors:Teruaki Kitano  Masaaki Suzuki
Institution:(1) Department of Information Systems Science, Faculty of Engineering, Soka University, 1-236 Tangi-cho, Hachioji-city, Tokyo 192-8577, Japan;(2) Department of Mathematics, Akita University, 1-1 Tegata-Gakuenmachi, Akita 010-8502, Japan
Abstract:A partial order on the set of the prime knots can be defined by the existence of a surjective homomorphism between knot groups. In the previous paper, we determined the partial order in the knot table. In this paper, we prove that 31 and 41 are minimal elements. Further, we study which surjection a pair of a periodic knot and its quotient knot induces, and which surjection a degree one map can induce. The authors are supported in part by Grand-in-Aid for Scientific Research (No. 17540064 and No. 18840008)
Keywords:knot  partial order  surjective homomorphism  period  degree one map
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