J4 ›› 2011, Vol. 46 ›› Issue (2): 39-41.
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LI Guo-quan, XU Hui
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Abstract:
In a graduate text on graph theory by Diestel, a proof of a weak version of Thomas ＆ Wollan Theorem (Theorem 3.5.3) was explained. A mistake (the inequality (3) on page 76) in the proof is pointed out, and a way to correct it is shown.
Key words: k-linking; separation; Menger′s theorem
LI Guo-quan, XU Hui. A remark on R.Diestel′s proof of Thomas ＆ Wollan theorem[J].J4, 2011, 46(2): 39-41.
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http://lxbwk.njournal.sdu.edu.cn/EN/Y2011/V46/I2/39
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