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We study the spectral theory of the Dirac-type boundary operator D defined by Atiyah, Patodi, and Singer, acting on smooth even forms of a compact flat Riemannian manifold M. We give an explicit formula for the multiplic...

In this article I deal with time as a notion of epistemological content associated though with the notion of a subjective consciousness co-constitutive of physical reality. In this phenomenologically grounded approach I ...

Let G be the class of all graphs and K the clique operator. The validity of the equality K(G)=K^2(G) has been an open question for several years. A graph in K(G) but not in K^2(G) is exhibited here. Fil: de Caria, Pablo ...