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Erdős problem 762

The cochromatic number of GG, denoted by ζ(G)\zeta(G), is the minimum number of colours needed to colour the vertices of GG such that each colour class induces either a complete graph or empty graph.

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Problem row
sha256:0e06407f40ff4d0a47bc5f5c5032dccc9347f57fede1281449ae7bea3af83170
Metadata
sha256:f126e66a2aa1ab7e3f8999c2f822187e93894a76df3e9a4bc0c2edb46118e387
Observation
sha256:8c823d621b7e1256c8e47c60a5f1c54c016a5507e6f27b2bab537f6f5f232067
Content
sha256:a5dc0d25c1055ac483787bbce7e3ca3770dac30cb95a68c7b28114efafc8a973
Repository
sha256:a956b84c437202e5a02cc9e036a621bd14a302b34a75758115730bdbb77c52a4
Projection
sha256:c9d14c459c518937e758918b5897dc3b22f1a55f07739afe99502f5b046c907a
Source commit
2415f78e850aeee50afdca525c6f2e0ea606f207
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