A section theorem, a minimax inequality and a generalized fixed point theorem where the underlying space is a productspace of two topological vector Spaces, are given.
给出了两个拓扑向量空间的乘积空间上截口定理,极小极大不等式及一个推广的不动点定理。
2
We also study the base and subbase in the productspace of I-fuzzy topological Spaces.