At the 2024 International Mathematical Olympiad (IMO), one competitor did so well that it would have been awarded the Silver ...

Professor Raúl Rojas has published a book about how symbols have been used throughout history in mathematics. The work was translated into English this year.

Abstract: In this article, we investigate both over- and under-approximations of reachable sets for analytic autonomous dynamical systems beyond polynomial dynamics. We start with the concept of ...

Abstract: The coupling among the loops is a primary challenge in MIMO processes over the SISO processes. In this work, a new Relative Derivative Normalised Gain Array ...

The price of coal, for its part, has a strong and highly significant negative effect (elasticity = −0.75, p < 0.001). This indicates that coal is a real substitute for electricity in household ...

Ten pigs (age 3–6 d, weight 2520–6080 g) were studied under general anesthesia. A total of 185 echocardiographic assessments were performed. Twenty (11%) assessments were excluded mainly due to no ...

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Andriy Blokhin has 5+ years of professional experience in public accounting, personal investing, and as a senior auditor with Ernst & Young. Erika Rasure is globally-recognized as a leading consumer ...