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Margit Voigt is a German mathematician specializing in graph theory and graph coloring. She is a professor of operations research at the University of Applied Sciences Dresden.

Voigt completed her Ph.D. in 1992 at the Technische Universität Ilmenau. Her dissertation, Über die chromatische Zahl einer speziellen Klasse unendlicher Graphen was jointly supervised by Rainer Bodendiek and Hansjoachim Walther.

Her results include the first known planar graph that requires five colors for list coloring, and a counterexample to a related conjecture that list coloring of planar graphs requires at most one more color than graph coloring for the same graphs.

References

1. Prof. Dr. rer. nat. habil. Margit Voigt, University of Applied Sciences Dresden, retrieved 2019-10-01
2. Margit Voigt at the Mathematics Genealogy Project
3. ^ Aigner, Martin; Ziegler, Günter M. (1999), "Chapter 25: Five-coloring plane graphs", Proofs from The Book, Berlin: Springer-Verlag, pp. 161–164, ISBN 3-540-63698-6, MR 1723092
4. Chartrand, Gary; Lesniak, Linda; Zhang, Ping (2011), Graphs & Digraphs (5th ed.), Boca Raton, FL: CRC Press, p. 378, ISBN 978-1-4398-2627-0, MR 2766107
5. Chen, Louis Hsiao Yun (2001), Challenges for the Twenty-first Century, World Scientific, p. 191, ISBN 9789810246464

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