Debilitate
发表于 2025-3-21 18:29:36
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Immortal
发表于 2025-3-21 21:04:30
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玛瑙
发表于 2025-3-22 02:17:27
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险代理人
发表于 2025-3-22 05:23:06
Surface Diagrams,We identify . with ., and denote by . and . the projections onto the factors.
refine
发表于 2025-3-22 09:01:23
Handle Surgery and Ribbon Surface-Knots,Let . be a surface-link. A 3-disk . embedded in . is called a . attaching to . if the intersection . is a disjoint union of two 2-disks embedded in . (and in .).
难管
发表于 2025-3-22 13:45:46
Spinning Construction,In this section we introduce spinning construction, which is a method of constructing 2-knots from knots.
可触知
发表于 2025-3-22 17:42:50
Knot Concordance,In this chapter we discuss knot concordance and cobordism. Throughout this chapter we assume that knots and links are oriented, and surfaces embedded in 4-manifolds are smooth or PL and locally flat.
喊叫
发表于 2025-3-22 23:08:33
Quandles,Let . be a diagram of a knot (or a link), and let . be the set of arcs of ..
离开真充足
发表于 2025-3-23 05:24:39
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恶名声
发表于 2025-3-23 09:12:49
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