Minimal vertex covers in infinite hypergraphs

Tamás Csernák, Lajos Soukup

In this paper a hypergraph will be identified with the family of its edges. A hypergraph $\mathcal{E}$ possesses property $C(k,\rho )$ iff $|\bigcap {\mathcal{E}}^{\prime }|<\rho$ for each $\mathcal E…