Erratum: Multiparameter definiteness conditions II [Proc. Roy. Soc. Edinburgh Sect. A 93 (1982), 47-61]
Paul Binding · Proceedings of the Royal Society of Edinburgh Section A Mathematics · 1986
Page 58: Lemma 7.1 is incorrect. It is claimed that Ao =cocl for c =k−l when in fact the result is proved for c = (dim H)−1. Thus while Corollaries 7.4 and 7.6 still stand (as does Corollary 7.3 by alternative arguments) the remaining results in Section 7 must be withdrawn.