Ewa Kubicka

Ewa Maria Kubicka is a Polish mathematician interested in graph theory and actuarial science.[1] She is known for introducing the concept of the chromatic sum of a graph, the minimum possible sum when the vertices are labeled by natural numbers with no two adjacent vertices having equal labels.[2]

Kubicka studied mathematics at Wrocław University of Science and Technology beginning in 1974, and earned a master's degree there in 1979. She came to Western Michigan University for graduate study, earning both a master's degree in computer science and a Ph.D. in mathematics in 1989.[1] Her dissertation, The Chromatic Sum and Efficient Tree Algorithms, was supervised by Allen J. Schwenk.[3] She became an assistant professor at Emory University and then, in 1990, moved to the University of Louisville, where she has been a full professor since 2004.[1] At Louisville, she directs the actuarial program and is undergraduate advisor for mathematics.[4]

She is known for having an erdős number of one.[5]

Selected publications
  • Chartrand, G.; Gould, R.; Kubicka, E.; Kubicki, G. (1991), On rotation number for digraphs, Advances in Graph Theory, pp. 103–119.
  • Goddard, W.; Kubicka, E.; Kubicki, G.; McMorris, F. R. (1994), On rotation number for digraphs, Mathematical Biosciences, vol. 123, pp. 97–104, doi:10.1016/0025-5564(94)90012-4, PMID 7827420.
  • Kubicka, E.; Schwenk, A. (1989), "An introduction to chromatic sums", Introduction to chromatic sums, Proceedings of ACM 1989, pp. 39–45, doi:10.1145/75427.75430, ISBN 0897912993, S2CID 28544302.
  • Kubicka, E.; Kubicki, G.; Vakalis, I. (1990), "Using Graph Distance in Object Recognition", Proceedings of the 1990 ACM annual conference on Cooperation - CSC '90, Proceedings of ACM 1990 Conference, pp. 39–45, doi:10.1145/100348.100355, ISBN 0897913485, S2CID 8580291.
  • Erdős, P.; Kubicka, E.; Schwenk, A. (1990), Graphs that require many colors to achieve their chromatic sum, Congressus Numerantium, vol. 71, pp. 17–28.
  • Kubicka, E. (1990), Constraints on the chromatic sequence for trees and graphs, Congressus Numerantium, vol. 76, pp. 219–230.
  • Kubicka, E.; Kubicki, G.; Kountanis, D. (1990), Approximation algorithms for the chromatic sum, Proceedings of the First Great Lakes Computer Science Conference, Springer Verlag, pp. 15–21.
  • Jacobson, M. S.; Kubicka, E.; Kubicki, G. (1991), Vertex rotation number for tournaments, Congressus Numerantium, vol. 82, pp. 201–210.
  • Kubicka, E.; Kubicki, G. (1992), Constant time algorithm for generating binary rooted trees, Congressus Numerantium, vol. 90, pp. 57–64.
  • Kubicka, E.; Kubicki, G.; McMorris, F. R. (1992), On agreement subtrees of two binary trees, Congressus Numerantium, vol. 88, pp. 217–224.
  • Harary, F.; Jacobson, M. S.; Kubicka, E. (1993), The irregularity cost or sum of a graph, Applied Mathematics Letters, vol. 6, pp. 79–80.

References
  1. Curriculum vitae, retrieved 2018-02-17
  2. Małafiejski, Michał (2004), "Sum coloring of graphs", in Kubale, Marek (ed.), Graph Colorings, Contemporary Mathematics, vol. 352, Providence, RI: American Mathematical Society, pp. 55–65, doi:10.1090/conm/352/06372, MR 2076989
  3. Ewa Kubicka at the Mathematics Genealogy Project
  4. "Faculty", Mathematics Department People, University of Louisville, retrieved 2018-02-17
  5. Who's Important? A tale from Wikipedia, retrieved 2021-03-11


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