In this paper, we interpret the basic cubic chain spaces of singular homology in terms of hypergestures in a topological space over a series of copies of the arrow digraph ↑. This interpretation allows for a generalized homological setup. The generalization is (1) to topological categories instead of to topological spaces and (2) to any sequence of digraph (⊤ n) n∈ℤ instead of to the constant series of ↑. We then define the corresponding chain complexes and prove the core boundary operator equation δ 2 = 0, enabling the associated homology modules over a commutative ring R. We discuss some geometric examples and a musical one, interpreting contrapuntal rules in terms of singular homology.
Copyright 2012 Elsevier B.V., All rights reserved.