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In this paper, we study the problem of finding the largest of a set of n distinct integers using comparison queries which receive “yes” or “no” answers, but some of which may be erroneous. If at most e queries can receive erroneous answers, we prove that (e+1)n−1 comparisons are necessary and sufficient to find the largest. If there is further restriction that errors are confined to “no” answers and...
A synchronizer is a mechanism that helps simulate a synchronous communication network on an asynchronous one. In this paper, we draw attention to certain difficulties that one may face in the implementation of a synchronizer mechanism, if the model of computation assumed does not permit delaying the processing of messages once received. To illustrate the issues, we present the design of a simple,...
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