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On a Conjecture of Kahn for the Stiefel–Whitney Classes of the Regular Representation

✍ Scribed by Pham Anh Minh


Publisher
Elsevier Science
Year
1997
Tongue
English
Weight
221 KB
Volume
188
Category
Article
ISSN
0021-8693

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📜 SIMILAR VOLUMES


d-Maximalp-Groups and Stiefel–Whitney Cl
✍ Pham Anh Minh 📂 Article 📅 1996 🏛 Elsevier Science 🌐 English ⚖ 234 KB

We shall give cohomological proofs of these results. Furthermore, we prove From this, we get Ž . THEOREM B. Let p s 2. If G is d-maximal, then cl G F 2 pro¨ided that one of the following conditions is satisfied:

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## Abstract A (plane) 4‐regular map __G__ is called __C__‐simple if it arises as a superposition of simple closed curves (tangencies are not allowed); in this case σ (__G__) is the smallest integer __k__ such that the curves of __G__ can be colored with __k__ colors in such a way that no two curves

Erratum: On the edge-coloring problem fo
✍ F. Jaeger; H. Shank 📂 Article 📅 1982 🏛 John Wiley and Sons 🌐 English ⚖ 37 KB 👁 1 views

On p. 272 of the above article, paragraph # 3 is incomplete. It should read as the following: Hence to prove Proposition 4 it is enough to show that the edges of Q 4 can be colored with 4 colors in such a way that each square has one edge of each color. Such a coloring is displayed on the following