Combinatorica`
Combinatorica`
PerfectQ
As of Version 10, most of the functionality of the Combinatorica package is built into the Wolfram System. »
PerfectQ[g]
yields True if 
is a perfect graph, meaning that for every induced subgraph of 
, the size of a largest clique equals the chromatic number.
Details and Options
- To use PerfectQ, you first need to load the Combinatorica Package using Needs["Combinatorica`"].
Wolfram Research (2012), PerfectQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html.
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Wolfram Research (2012), PerfectQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html.Text
Wolfram Research (2012), PerfectQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html.
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Wolfram Research (2012), PerfectQ, Wolfram Language function, https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html.CMS
Wolfram Language. 2012. "PerfectQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html.
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Wolfram Language. 2012. "PerfectQ." Wolfram Language & System Documentation Center. Wolfram Research. https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html.APA
Wolfram Language. (2012). PerfectQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html
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Wolfram Language. (2012). PerfectQ. Wolfram Language & System Documentation Center. Retrieved from https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.htmlBibTeX
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@misc{reference.wolfram_2025_perfectq, author="Wolfram Research", title="{PerfectQ}", year="2012", howpublished="\url{https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html}", note=[Accessed: 26-April-2025
]}BibLaTeX
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@online{reference.wolfram_2025_perfectq, organization={Wolfram Research}, title={PerfectQ}, year={2012}, url={https://reference.wolfram.com/language/Combinatorica/ref/PerfectQ.html}, note=[Accessed: 26-April-2025
]}