Every so often its good to exercise your brain with a math problem or two that forces you to recall principles you learned ...

A combined cryptosystem with symmetric keys for encrypting messages is proposed. Its unique feature is the use of functions of a real variable as keys instead of natural numbers. Eight key functions ...

In this paper, we propose a novel technique that integrates the detection of element failures and the correction of damaged patterns into a systematic process for active phased arrays. The proposed ...

Guava is a set of core Java libraries from Google that includes new collection types (such as multimap and multiset), immutable collections, a graph library, and utilities for concurrency, I/O, ...