Jan Kort wrote: > > In case you didn't read it yet, this is an interesting paper: > > http://www.acm.org/pubs/citations/proceedings/supercomputing/125826/p264-cann/ Thank you for the hint, but I do not have access.Transmitting USD 3.- is not a choice because the expense would be USD 20.-. What has been the proposition of the article? S. Gonzi