Based on quotient space theory, this thesis attmpts to extend fuzzy quotient space theory to fuzzyλquotient space theory, and focuses on rough equality problem of rough set theory.

Zhang Bo and Zhang Ling,in their paper Theory of fuzzy quotient space,proposed a new method of granular computing which combine fuzzy sets and theory of quotient space.

The definition of t-fuzzy equivalent relation and its corresponding t-fuzzy quotient space are proposed in this paper.

Green Space between Houses——Construction of Fuzzy Space;

In the model, ideal condition of geological factors is taken as the fuzzy space and the closeness of ideal situation against the actual geological conditions and is taken as aythefic evaluation index to constract the mathemation model.

Based on the elaboration about the implication of Yin Yang theory and its influence on architectural space ,this essay discusses the form of fuzzy space in three aspects:the building, the group of buildings and the urban system, and points out that the fuzzy space in Yin Yang theory is a kind of space that is both in and out of a space and that can both combine and coexist with others.

In this paper a kind of vague space in traditional architecture is analyzed and its mode and dealing ways in Chinese traditional architecture are explored.