Last year the U.S. Senate overwhelmingly approved the expansion of the Atlantic alliance. Whereas some advocates of enlarging NATO, particularly Eastern European leaders for whom the Soviets’ iron grip is an all too recent memory, stress the extension of the alliance’s traditional deterrent function, others acknowledge that Russia is in no position to reconquer its former empire. Rather, they a...

NATO Undersea Research Centre (SACLANTCEN), the research establishment of the Allied Command Transformation (ACT) strongly relies on Network Centric technologies and capabilities to improve the effectiveness of its scientific research. This requires architectures for the interconnection and data sharing that are flexible, scalable, and built on open standards, to ensure transparent interoperabi...

PACS numbers 05.45.Yv, 03.40.Gc, 11.10.Ef, 68.10.-m, AMS Subject Classification 58F07, 70H99, 76B15 Research partially supported by NSF grant DMS 9626672 and NATO grant CRG 950897. Research supported in part by US DOE CCPP and BES programs and NATO grant CRG 950897 Research supported by INTAS grant 97-10771 and, in part, by the Center for Applied Mathematics, University of Notre Dame Research s...