- four-colour problem
- zagadnienie czterech barw
English-Polish dictionary for engineers. 2013.
four-colour problem
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four-colour map problem — In topology, a long standing conjecture asserting that no more than four colours are required to shade in any map such that each adjacent region is coloured differently. First posed in 1852 by Francis Guthrie, a British math student, it was… … Universalium
Four color theorem — Example of a four colored map A four colori … Wikipedia
colour — /kul euhr/, n., adj. v.t., v.i. Chiefly Brit. color. Usage. See or1. * * * I Aspect of any object that may be described in terms of hue, brightness, and saturation. It is associated with the visible wavelengths of electromagnetic radiation, which … Universalium
problem — /prob leuhm/, n. 1. any question or matter involving doubt, uncertainty, or difficulty. 2. a question proposed for solution or discussion. 3. Math. a statement requiring a solution, usually by means of a mathematical operation or geometric… … Universalium
four — /fawr, fohr/, n. 1. a cardinal number, three plus one. 2. a symbol of this number, 4 or IV or IIII. 3. a set of this many persons or things. 4. a playing card, die face, or half of a domino face with four pips. 5. fours, Jazz. alternate four bar… … Universalium
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4-Farben-Problem — Der Vier Farben Satz (früher auch als Vier Farben Vermutung oder Vier Farben Problem bekannt) ist ein mathematischer Satz und besagt, dass vier Farben immer ausreichen, um eine beliebige Landkarte in der euklidischen Ebene so einzufärben, dass… … Deutsch Wikipedia
Vier-Farben-Problem — Der Vier Farben Satz (früher auch als Vier Farben Vermutung oder Vier Farben Problem bekannt) ist ein mathematischer Satz und besagt, dass vier Farben immer ausreichen, um eine beliebige Landkarte in der euklidischen Ebene so einzufärben, dass… … Deutsch Wikipedia
Hadwiger–Nelson problem — Unsolved problems in mathematics How many colors are needed to color the plane so that no two points at unit distance are the same color? In geometric graph theory, the Hadwiger–Nelson problem, named after Hugo Hadwiger and Edward Nelson, asks… … Wikipedia
Mathematical problem — A mathematical problem is a problem that is amenable to being represented, analyzed, and possibly solved, with the methods of mathematics. This can be a real world problem, such as computing the orbits of the planets in the solar system, or a… … Wikipedia
Nineteen Eighty-Four — This article is about the Orwell novel. For other uses, see 1984 (disambiguation). Nineteen Eighty Four … Wikipedia
