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JGT
2011
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14 years 9 months ago
On directed local chromatic number, shift graphs, and Borsuk-like graphs
Gábor Simonyi, Gábor Tardos
87
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JGT
2011
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14 years 9 months ago
Short proofs for two theorems of Chien, Hell and Zhu
Tracy Holt, Yared Nigussie