Exponentially many hypohamiltonian snarks

All hypohamiltonian cubic graphs which are constructed in the authorʹs paper of 1989 make up a family of exponentially many hypohamiltonian snarks. It is so because these are—in Chvátalʹs terminology—graphs based on compositions of flip-flops derived exclusively from two snarks: the Petersen graph PG and Isaacsʹ flower snark J 5 . Consequently, due to a new simple observation, the constructed graphs are iterated dot products of PG and/or J 5 .