管理员
发表于 2025-3-28 18:12:56
Geometry of Hilbert Space,, be quite different from that of Euclidean n-space; for example, the unit ball of a Banach space may have corners, and closed convex sets need not possess a unique vector of smallest norm. The most important geometrical property absent in general Banach spaces is a notion of perpendicularity or ort
Valves
发表于 2025-3-28 19:43:54
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轮流
发表于 2025-3-28 23:39:57
https://doi.org/10.1007/978-3-030-98653-7Christian denominational colleges; Vietnam War; theological interpretations of war; North Park College;