As a typical heterotrophic city, Macao׳s economic boom is fueled by external trade, which provides Macao with not only direct energy products in forms of oil, gas and electricity, but also indirect energy embodied in other imports. However, the prevalent studies on Macao׳s energy issues are...

In this paper, we define the notion of a mapping on soft classes and study several properties of images and inverse images of soft sets supported by examples and counterexamples. Finally, these notions have been applied to the problem of medical diagnosis in medical expert systems.

Comprehensive inventory of cities' greenhouse gas emissions (GHG) is the basis for cities to make appropriate mitigation plans. However, previous studies on cities' GHG emissions consider emissions occurring within the city boundary (Scope 1) and out of boundary electricity emissions (Scope 2),...