illumination problem
English
[edit]
Etymology
[edit]From illumination + problem.
Noun
[edit]- (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.
Categories:
- English terms derived from Proto-Indo-European
- English terms derived from the Proto-Indo-European root *lewk-
- English terms derived from the Proto-Indo-European root *gʷelH-
- English compound terms
- English lemmas
- English nouns
- English countable nouns
- English nouns with unknown or uncertain plurals
- English multiword terms
- en:Mathematics