On the Clar Number of Benzenoid Graphs

Nino Bašić, István Estélyi, Riste Škrekovski +1

A Clar set of a benzenoid graph $B$ is a maximum set of independent alternating hexagons over all perfect matchings of $B$. The Clar number of $B$, denoted by $\mathrm{Cl}(B)$, is the…