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Jan 2, 2023 at 23:38 vote accept Max Schumann
Dec 22, 2022 at 21:23 comment added Oğuz Şavk @MarcoGolla The top crossing always makes me confused; this picture does not fit into the description in Figure 2 as you said. A similar but slightly different proof can be seen on pg. 27 in Akbulut's book "4-manifolds".
Dec 20, 2022 at 2:21 comment added Ryan Budney No worries, mistakes happen.
Dec 19, 2022 at 20:20 history edited Marco Golla CC BY-SA 4.0
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Dec 19, 2022 at 20:17 comment added Marco Golla @RyanBudney: oops... this is a bit embarrassing :) I'll correct my answer.
Dec 19, 2022 at 18:44 comment added Ryan Budney The 0-framed component is the unknot.
Dec 19, 2022 at 8:48 comment added Max Schumann Thanks! I used the original picture in their paper, it is the last diagram in Figure 23. To pass to the diagram appeared in Figure 2 for $\Sigma(2,3,13)$, they probably applied diffeomorphisms described in Proposition 2.
Dec 19, 2022 at 8:00 history answered Marco Golla CC BY-SA 4.0