Abstract: This work establishes properties of the normalized rigidity matrix in two- and three-dimensional spaces. The upper bound of the normalized rigidity matrix singular values is derived for ...

Association of paleopalynological data from the Nanxiong Basin, south China, and late Paleocene niche expansion in endemic Asian fossil mammals.

Left upper quadrant (LUQ) pain stems from conditions that affect organs like your spleen, kidney, or stomach. It's best to see a doctor if your LUQ pain worsens or lasts more than 48 hours. Treatment ...

Abstract: In this paper we propose a new representation for FFT algorithms called the triangular matrix representation. This representation is more general than the binary tree representation and, ...

Will Kenton is an expert on the economy and investing laws and regulations. He previously held senior editorial roles at Investopedia and Kapitall Wire and holds a MA in Economics from The New School ...

A 3D shape with all straight edges and flat faces is a polyhedron. Other 3D shapes with least one curved surface are not polyhedra. A 3D shape with regular polygonal faces, meeting at equal angles, is ...

The upper esophageal sphincter can be controlled when we swallow food or liquids. If the upper esophageal sphincter does not work properly, acid can flow back into the throat and cause heartburn. To ...

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Get the inside scoop on how colleges assess your high school and its course rigor. Featuring a former Admissions Officer, you'll gain crucial insights and actionable strategies during this 60-min ...

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Upper GI bleeds can be caused by peptic ulcers, which are holes or sores in the stomach or duodenum. Symptoms of an upper GI bleed can include black, tarry stools and vomiting blood. If you have blood ...