设(M^4n+k+2,T)是一个带有光滑对合T的光滑闭流形,T的不动点集为RP(4)∪P(4,2n-1).本文决定了(M^4n+k+2,T)的所有协边类.
Let (M^4n+k+2, T) be a closed maniflod with an involution T whose fixed point set is RP(4) tA P(4, 2n - 1). In this paper, the bordism class of (M^2m+4n+k-2, T) is determined.