illumination problem
English
Etymology
From illumination + problem.
Noun
- (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 the Proto-Indo-European root *per- (fare)
- English terms derived from the Proto-Indo-European root *lewk-
- English terms derived from the Proto-Indo-European word *h₁én
- English terms derived from the Proto-Indo-European word *pró
- English terms derived from the Proto-Indo-European root *per- (before)
- English terms derived from the Proto-Indo-European root *gʷelH- (throw)
- English compound terms
- English lemmas
- English nouns
- English nouns with unknown or uncertain plurals
- English multiword terms
- en:Mathematics