mixed land use includes various land uses which are adjacent to each other and linked together to accommodate either horizontal or vertical segments adjacent land and within a building to coexistence. recent urban planning theories, emphasizing on several principles that make the mix use development is one of these principles. mixed land use effects on travel demands and urban transportation ef...

Let D be a simple digraph without loops or digons. For any v ∈ V (D), the first out-neighborhood N(v) is the set of all vertices with out-distance 1 from v and the second neighborhood N(v) of v is the set of all vertices with out-distance 2 from v. We show that every simple digraph without loops or digons contains a vertex v such that |N++(v)| ≥ γ|N+(v)|, where γ = 0.657298 . . . is the unique ...

conclusions fear of neighborhood violence is a contributing factor to increased risk of obesity for female african american youth who live in disadvantaged areas. this finding has implications for prevention of obesity among african american women who are at highest risk for obesity in the united states. initiatives that enhance neighborhood safety are critical strategies for obesity prevention...

background: as key determinants of many favorable health and quality of life outcomes, it is important to identify factors associated with mobility and social participation. although several investigations have been carried out on mobility, social participation and neighborhood environment, there is no clear integration of these results. this paper presents a scoping study protocol that aims to...