International Symposium on Information Theory and Its Applications, Auckland, New Zealand, 7 - 10 December 2008, pp.391-392
In this note 35 new extremal binary self-dual doubly-even codes of length 88 axe presented. Their inequivalence is established by invariants. Moreover, a construction of a binary self-dual [88,44,16] code, having an automorphism of order 21, is given.