Judith Q. Longyear
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Judith Q. Longyear | |
|---|---|
| Born | 20 September 1938 |
| Died | 13 December 1995 (aged 57) |
| Education | Ph.D 1972 Mathematics |
| Alma mater | Penn State University |
| Occupation | Professor |
| Known for | Graph Theory / Combinatorics |
Judith Querida Longyear (20 September 1938[1]–13 December 1995[2]) was an American mathematician and professor whose research interests included graph theory and combinatorics. Longyear was the second woman to ever earn a mathematics Ph.D. from Pennsylvania State University,[3] where she studied under the supervision of Sarvadaman Chowla and wrote a thesis entitled Tactical Configurations.[4][5] Longyear taught mathematics at several universities including California Institute of Technology,[6] Dartmouth College[7] and Wayne State University.[8] She worked on nested block designs[6][9] and Hadamard matrices.[10]
References
[edit]- ^ "Birth of Judith Q. Longyear-1938". The Evening News. 1938-09-20. p. 2. Retrieved 2020-01-17.
- ^ "Judith Querida Longyear". Find a Grave. Retrieved January 17, 2020.
- ^ "Ph.D. Graduates | Department of Mathematics". math.psu.edu. Retrieved 2020-01-17.
- ^ Judith Q. Longyear at the Mathematics Genealogy Project
- ^ PSU Mathematics Alumni, retrieved 2014-06-25.
- ^ a b Longyear, J.Q. (1981). "A survey of nested designs". Journal of Statistical Planning and Inference. 5 (2): 181–187. doi:10.1016/0378-3758(81)90028-8.
- ^ Longyear, Judith Q. (1974). "Tactical configurations: An introduction". In Bari, Ruth A.; Harary, Frank (eds.). Graphs and Combinatorics: Proceedings of the Capital Conference on Graph Theory and Combinatorics at the George Washington University, June 18–22, 1973. Lecture Notes in Mathematics. Vol. 406. pp. 325–329. doi:10.1007/BFb0066454. ISBN 978-3-540-06854-9.
- ^ Graphs and Permutations - LONGYEAR - 2006 - Annals of the New York Academy of Sciences - Wiley Online Library
- ^ Longyear, Judith Q. (1986). "Nested group divisible designs and small nested designs". Journal of Statistical Planning and Inference. 13: 81–87. doi:10.1016/0378-3758(86)90121-7.
- ^ Ito, Noboru; Leon, Jeffrey S; Longyear, Judith Q (1981). "Classification of 3-(24, 12, 5) designs and 24-dimensional Hadamard matrices". Journal of Combinatorial Theory, Series A. 31: 66–93. doi:10.1016/0097-3165(81)90054-6.
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