Institute of Mathematics and Informatics Bulgarian Academy of Sciences
Serdica Mathematical Journal, Vol. 27, No 4, (2001), 287p-302p
In this paper we prove that up to equivalence there exist 158
binary [70, 35, 12] self-dual and 119 binary [72, 36, 12] self-dual doubly-even
codes all of which have an automorphism of order 23 and we present their
construction. All these codes are new.
∗ This work was supported in part by the Bulgarian NSF under Grant MM-901/99