We replace an example which was based on an unjustified claim with a question.
@article{WBLN_2019__6__A6_0, author = {Owens, Brendan}, title = {Corrigendum to {Knots} and 4-manifolds}, booktitle = {Winter Braids IX (Reims, 2019)}, series = {Winter Braids Lecture Notes}, note = {talk:2bis}, pages = {1--1}, publisher = {Winter Braids School}, year = {2019}, doi = {10.5802/wbln.31}, language = {en}, url = {http://archive.numdam.org/articles/10.5802/wbln.31/} }
TY - JOUR AU - Owens, Brendan TI - Corrigendum to Knots and 4-manifolds BT - Winter Braids IX (Reims, 2019) AU - Collectif T3 - Winter Braids Lecture Notes N1 - talk:2bis PY - 2019 SP - 1 EP - 1 PB - Winter Braids School UR - http://archive.numdam.org/articles/10.5802/wbln.31/ DO - 10.5802/wbln.31 LA - en ID - WBLN_2019__6__A6_0 ER -
%0 Journal Article %A Owens, Brendan %T Corrigendum to Knots and 4-manifolds %B Winter Braids IX (Reims, 2019) %A Collectif %S Winter Braids Lecture Notes %Z talk:2bis %D 2019 %P 1-1 %I Winter Braids School %U http://archive.numdam.org/articles/10.5802/wbln.31/ %R 10.5802/wbln.31 %G en %F WBLN_2019__6__A6_0
Owens, Brendan. Corrigendum to Knots and 4-manifolds, dans Winter Braids IX (Reims, 2019), Winter Braids Lecture Notes (2019), Exposé no. 2bis, 1 p. doi : 10.5802/wbln.31. http://archive.numdam.org/articles/10.5802/wbln.31/
[1] David Gabai, Genus is superadditive under band connected sum, Topology 26 (1987), no. 2, 209–210. | DOI | MR | Zbl
[2] Brendan Owens, Knots and 4-manifolds, Winter Braids Lecture Notes 6 (2019), Exposé no. 2, 26 p. | DOI | MR | Zbl
[3] Martin Scharlemann, Smooth spheres in with four critical points are standard, Invent. Math. 79 (1985), no. 1, 125–141. | DOI | MR | Zbl
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