Barany, Imre; Howe, Roger; Scarf, Herbert E. - Cowles Foundation for Research in Economics, Yale University - 1992
The simplicial complex K(A) is defined to be the collection of simplices, and their proper subsimplices, representing maximal lattice free bodies of the form {x : Ax = b}, with A a fixed (n + 1) x n matrix. The topological space associated with K(A) is shown to be homeomorphic to R^{n}, and the...