When it comes to chat, you have many choices. Facebook Messenger, Google Talk, Whatsapp, Kik, and Slack are all viable options. However, all of these choices are proprietary, and require you to use ...
Photonic innovation: researchers in the US have created an optical metamaterial that can perform vector–matrix multiplication. (Courtesy: iStock/Henrik5000) A new silicon photonics platform that can ...
Abstract Let A be an n × n Hermitian matrix and A = UΛUH be its spectral decomposition, where U is a unitary matrix of order n and Λ is a diagonal matrix. In this note we present the perturbation ...
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