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WikiCards · Card list · Science cards · Petersen graph
Uncommon card · Science
Petersen graph, an Uncommon card
In the mathematical field of graph theory, the Petersen graph is an undirected graph with 10 vertices and 15 edges.
- Rarity
- Uncommon
- Domain
- Science
- ATK
- 68
- DEF
- 61
- Power
- 129
- Wikipedia reads a year
- 48,000
Power 129 (ATK + DEF): stronger than 65 % of WikiCards cards.
Petersen graph quiz: 3 questions
Three questions on the Petersen graph card, the way WikiCards duels ask them. Pick an answer, the facts are just below.
Find the missing word
It is a small graph that serves as a useful example and ______ for many problems in graph theory.
Answer
counterexample. It is a small graph that serves as a useful example and counterexample for many problems in graph theory. From the Petersen graph article on Wikipedia.
In which decade?
The Petersen graph is named after Julius Petersen, who in ____ constructed it to be the smallest bridgeless cubic graph with no three-edge-coloring.
Answer
1890s. The Petersen graph is named after Julius Petersen, who in 1898 constructed it to be the smallest bridgeless cubic graph with no three-edge-coloring. From the Petersen graph article on Wikipedia.
In a duel, each round asks a question like these about the opposing card, with 15 seconds to answer.
The facts on the card
The card carries these facts from its Wikipedia article.
- It is a small graph that serves as a useful example and counterexample for many problems in graph theory.
- The Petersen graph is named after Julius Petersen, who in 1898 constructed it to be the smallest bridgeless cubic graph with no three-edge-coloring.
- Although the graph is generally credited to Petersen, it had in fact first appeared 12 years earlier, in a paper by A. B. Kempe.
Why it is Uncommon
Rarity in WikiCards follows a year of Wikipedia page views: the most read articles become Epic and Legendary cards. The Petersen graph article was read about 48,000 times in a year. ATK comes from the length of the article and DEF from its quality, so this card hits with 68 and blocks with 61: each hit it takes is cut by 24 %.
How to get Petersen graph
Open packs. Each pack holds five cards drawn from real Wikipedia articles, the rarest last, and the fifth card is always Rare or better. The odds are shown in the game. A free pack arrives every hour and two can wait, and the Coins you win in duels buy more packs.
More Science cards
Cards close in power
The cards just above and just below Petersen graph in the power ranking, all domains together.
- Saint PantaleonUncommon · Society · ATK 65 DEF 64
- Igor ShesterkinUncommon · Society · ATK 71 DEF 58
- Michael CampbellUncommon · Society · ATK 69 DEF 60
- Boualem SansalUncommon · Arts · ATK 73 DEF 56
- Ilya PrigogineUncommon · History · ATK 72 DEF 57
- Peter Gustav Lejeune DirichletUncommon · Science · ATK 70 DEF 59
Card lists
- Wikipedia quizNew questions every day
- All cards from A to ZEvery card, by name
- Science cards
- Legendary cards
- Tier listS and A tiers by power (ATK + DEF)
Credits
Text : Wikipedia, Petersen graph (revision), CC BY-SA 4.0. Photo : Leshabirukov, CC BY-SA 3.0, Wikimedia Commons.
