令p是大于7的奇素数且A是mod p的steenrod代数.证明了同伦元素β1β2γs在球面稳定同伦群πsp2q+(s+2)pq+(s-1)q-7S中是非平凡的,
Let p be an odd prime greater than seven and A the rood p steenrod algebra. The homotopy element fl118zY, is proved to be nontrivial inπsp2q+(s+2)pq+(s-1)q-7S, where 3〈s〈P and q=2(p-1).