𝔖 Bobbio Scriptorium
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On the Caccetta-Häggkvist Conjecture with Forbidden Subgraphs

✍ Scribed by Razborov, Alexander A.


Book ID
120529193
Publisher
John Wiley and Sons
Year
2012
Tongue
English
Weight
561 KB
Volume
74
Category
Article
ISSN
0364-9024

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On planar intersection graphs with forbi
✍ János Pach; Micha Sharir 📂 Article 📅 2008 🏛 John Wiley and Sons 🌐 English ⚖ 154 KB

## Abstract Let ${\cal C}$ be a family of __n__ compact connected sets in the plane, whose intersection graph $G({\cal C})$ has no complete bipartite subgraph with __k__ vertices in each of its classes. Then $G({\cal C})$ has at most __n__ times a polylogarithmic number of edges, where the exponent