Riemann spaces
(chiefly science fiction) An intelligent mechanical being designed to look like a human or other creature, and usually made from metal.
plural of Riemann space
A female given name from Latin.
(mineralogy) An orthorhombic-dipyramidal mineral containing arsenic, chlorine, copper, oxygen, and vanadium.
幾何構造を比較する研究者たちは、しばしば曲率テンソルによってリーマン多様体を分類する。
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