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Suppose that a finite-dimensional cube is orthogonally projected onto a central section of itself by a subspace of one dimension less. Up to dimension , at least one vertex is projected onto the section, but for dimension or larger, there are orthogonal projections for which all the vertices are projected outside the section. In fact, this is the case for “most” orthogonal projections, as the dimension tends to infinity.

生成讲解博客的中文版本

生成AI智能校验的中文版本