Large sports stadia construction follows two different general concepts: (1) Mono-functional arenas which are specially suited for one sport exclusively and which are characterised by the absence of an athletic track. (2) Multifunctional sports stadia which can be used for different sporting or...

Large sports stadia construction follows two different general concepts: (1) Mono-functional arenas which are specially suited for one sport exclusively and which are characterised by the absence of an athletic track. (2) Multifunctional sports stadia which can be used for different sporting or...

Soil provides multiple benefits for human well-being that are largely invisible to most beneficiaries. Here, we present the results of a discrete choice experiment on the preferences of Germans for soil-based ecosystem services. In an attempt to reduce complexity for respondents, we express...

Given a cover of a quasi-uniform space we introduce a concept of lower semicontinuity for multifunctions : → 2 , called -lsc. In this way, we get a common description of Vietoris-lsc, Hausdorff-lsc, and bounded-Hausdorff-lsc as well. Further, we examine set-theoretical and vector operations on...