Abstract
The main result of the paper is that when κ is a cardinal of cofi- nality ω and λ ≥ κ, the class of graphs of size λ omitting cliques of size κ has no universal element under graph homomorphisms (or the weak and strong embeddings). This theorem only requires ZF.
| Original language | English |
|---|---|
| Pages (from-to) | 151-154 |
| Number of pages | 5 |
| Journal | Sarajevo Journal of Mathematics |
| Volume | 12 (25) |
| Issue number | 2 |
| DOIs | |
| Publication status | Published - 2016 |
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