In this work we present a number of urn models in which, contrary to standard Pólya urns, the number of competing alternatives is not given from the outset but may increase with the arrival of innovations. We begin by...
The role of governance from a sustainable supply chain management perspective is receiving more attention from scholars and practitioners. However, several aspects still remain unclear including how corporate sustainability...
We construct a sequence of compact, oriented, embedded, two-dimensional surfaces of genus one into Euclidean 3-space with prescribed, almost constant, mean curvature of the form H(X)=1+A|X| −γ for |X| large, when...
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