English Dictionary

illumination problem

名詞

(mathematics) A mathematical problem, asking whether a room with mirrored walls can always be illuminated by a single-point light source, allowing for repeated reflection of light off the mirrored walls. It was solved in 1958: there are such rooms that cannot be thus illuminated.

日本語の意味

ミラーで覆われた壁を持つ部屋の中が、単一点光源からの光で複数回反射させながら常に照らされるかどうかを問う数学的問題。1958年に解決され、このような照明が不可能な部屋が存在することが示された。

The illumination problem in mathematics asks whether a room with mirrored walls can always be illuminated by a single-point light source, and it was settled in 1958 when examples of rooms that cannot be so illuminated were found.

数学における照明問題、つまり鏡張りの壁を持つ部屋が点光源一つで常に照らせるかどうかを問う問題は、1958年にそのように照らせない部屋が存在することが示されて解決された。

意味（1）

(mathematics) A mathematical problem, asking whether a room with mirrored walls can always be illuminated by a single-point light source, allowing for repeated reflection of light off the mirrored walls. It was solved in 1958: there are such rooms that cannot be thus illuminated.