定義
- An neighborhood space (X,v) is defined to be locally compact if each v(x) contains a compact set(i.e., a set which is compact when considered as a subspace of (X,v)).
出典
- Kent, D. C.(1-WAS) and Min, Won Keun(KR-KANG),Neighborhood spaces. (English summary) , Int. J. Math. Math. Sci. 32 (2002), no. 7, 387--399.