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Skerlos , an Assistant Professor of Mechanical Engineering at the University of Michigan at Ann Arbor , is credited for his research and education achievements in developing manufacturing systems with reduced environmental impacts . If an argument is complex , then a dot notation ( e.g . Once highly specialized in military aircraft such as the B-2 bomber , Northrop Grumman is today the nation 's largest shipbuilder and a leader in systems integration , advanced aircraft , radars , electronic warfare , space systems , missile defense , and government information technology . These operators must be named ' <' and '> ' ; you do not have any choice in the matter , since there is no provision for specifying them explicitly . Maria Ebling , a research manager at the IBM T. J. Watson Research Center in Hawthorne , New York , leads a team that builds middleware to support context-aware computing , such as location-based services , in ways that protect user privacy .