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Mathematics
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first curvature
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first curvature
первая кривизна
(пространственной кривой)
first curvature
кривизна первого порядка
first curvature
кривизна
the first Betti number is a topological obstruction to the existence of metrics with positive or negative Ricci curvature
препятствие топологической природы к существованию
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