DOUBLY SLICE KNOTS AND THE CASSON-GORDON INVARIANTS
DOUBLY SLICE KNOTS AND THE CASSON-GORDON INVARIANTS
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双切片结和 CASSON-GORDON 不变量
DOI:
10.1090/s0002-9947-1983-0709569-5
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发表时间:
1983
影响因子:
1.3
通讯作者:
Daniel Ruberman
中科院分区:
文献类型:
--
作者:
Daniel Ruberman
We find knots in all dimensions which are algebraically but not geometri- cally doubly slice. Our new obstructions involve the Casson-Gordon invariants of the finite cyclic covers in odd dimensions and of the infinite cyclic cover in even dimensions. These same invariants provide new criteria for amphicheirality and invertibility of even-dimensional knots.