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Centers and Isochronous Centers of Liénard Systems
Differential Equations, 2019Holomorphic Liénard systems are studied. The authors give necessary and sufficient conditions for the existence of a center and an isochronous center which are obtained without calculating the focus quantities and the isochronicity constants.
Amel'kin, V. V., Rudenok, A. E.
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American Literary History, 2009
I began writing this in a coffee shop near Holland, Michigan, the famed destination for Dutch immigration throughout the late nineteenth century and still an important center of Dutch and Christian Reformed denominations. Its prosperity was long based on furniture built from woods harvested from the local forests and the fruits and vegetables processed
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I began writing this in a coffee shop near Holland, Michigan, the famed destination for Dutch immigration throughout the late nineteenth century and still an important center of Dutch and Christian Reformed denominations. Its prosperity was long based on furniture built from woods harvested from the local forests and the fruits and vegetables processed
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Is Reaching Eye-Centered, Body-Centered, Hand-Centered, or a Combination?
Reviews in the Neurosciences, 2001There are currently three main views on the neural basis of visually guided reaching: 1) neurons in the superior parietal lobe guide arm movements in a spatial framework that is centered on the body; 2) neurons in the intraparietal sulcus guide arm movements in a spatial framework that is centered on the eye; 3) neurons in the caudal part of premotor ...
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The center and the distance center of a ptolemaic graph
Operations Research Letters, 1988A connected graph \(G=(V,X)\) is Ptolemaic if, and only if, it is chordal and every 5-cycle has at least three chords. A graph \(G=(V,E)\) is chordal if, and only if, every cycle of at least four lines contains a chord. The author proves some interesting properties of Ptolemaic and chordal graphs using concepts as distance center, simplicial point and ...
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Center-to-Center Relationalities
Critical Ethnic Studies, 2022Jinah Kim, Nitasha Tamar Sharma
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International Journal of Developmental Neuroscience, 2002
AbstractThe Waisman Center MRDDRC supports behavioral, social, and biomedical research on human development, developmental disabilities, and neurodegenerative diseases. Examples of research conducted in each of the four MRDDRC units include: abnormalities in gene expression in human neuronal stem cells and progenitor cells from Down syndrome tissue ...
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AbstractThe Waisman Center MRDDRC supports behavioral, social, and biomedical research on human development, developmental disabilities, and neurodegenerative diseases. Examples of research conducted in each of the four MRDDRC units include: abnormalities in gene expression in human neuronal stem cells and progenitor cells from Down syndrome tissue ...
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Research Strategy: Centered on Centers
Science, 2008The U.S. Department of Homeland Security (DHS) has funded five new university-based research centers to study border security and immigration; explosives detection; maritime, island and port security; natural disasters; and emergency management and transportation.
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Cancer risk among World Trade Center rescue and recovery workers: A review
Ca-A Cancer Journal for Clinicians, 2022Andrew Todd +2 more
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