We extend vector configurations to more general objects that have nicer combinatorial and topological properties, called weighted pseudosphere arrangements. These are defined as a variant of arrangements pseudospheres, in the representation theorem for oriented matroids. show rank 3, real Stiefel manifold, Grassmannian, Grassmannian homotopy equivalent analogously spaces As consequence, this gi...

Cities have become increasingly involved in food security concerns that go far beyond their boundaries by rescaling governance to a more local level. While the role of cities as new policy actors has attracted increased interest, few studies critically analysed urban governance. Critical accounts these configurations are particularly necessary, and relevant times crises, good is crucial tacklin...