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Abstract: This article introduces a fully automated, continuous nonsingular terminal sliding mode (TSM) control technique to control uncertain, nonlinear, and time-varying second-order systems with ...

We develop and quantify a novel growth theory in which economic activity endogenously shifts from material production to quality improvements. Consumers derive utility from goods with differing ...

How 'The Joy Luck Club' highlighted the complicated dynamics of immigrant families January 7, 2026 • Connecting across generations can be tough, even in the same family. This is at the heart of Amy ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Gordon Scott has been an active investor and ...

Physics is the search for and application of rules that can help us understand and predict the world around us. Central to physics are ideas such as energy, mass, particles and waves. Physics attempts ...

Adam Hayes, Ph.D., CFA, is a financial writer with 15+ years Wall Street experience as a derivatives trader. Besides his extensive derivative trading expertise, Adam is an expert in economics and ...