Background
Hanani (Chojnacki) was born in Poland, studied in Vienna and Warsaw, and graduated with an Master of Arts
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Haim Hanani
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Education
He emigrated to the British Mandate of Palestine, later to become Israel, in 1935 and in 1938 received the first Doctor of Philosophy in Mathematics from the Hebrew University of Jerusalem.
Career
He is also known for the Hanani–Tutte theorem on odd crossings in non-planar graphs. From the University of Warsaw in 1934. In 1955 he was appointed to the faculty at Technion Institute of Technology and from 1969 to 1973 he served as the rector of Ben-Gurion University in Beersheba.
In 1980 he was awarded the title of Professor Emeritus at that institution.
His early research led to the proof of the theorem devised by Richard M. Wilson on pairwise balance designs. He wrote scholarly papers with Andries Brouwer, Paul Erdős, Alexander Schrijver, and Richard M. Wilson, among others
His papers were published in journals such as Discrete Mathematics, the Journal of Combinatorial Theory, the European Journal of Combinatorics, and the American Mathematical Monthly. Haim Hanani; Alan Hartman.
Earl South. Kramer (1983).
"On three-designs of small order". Discrete Mathematics 45 (1): 75–97. doi:10.1016/0012-365X(83)90177-2. Haim Hanani (1979). "A Class of Three-Designs".
Journal of Combinatorial Theory 26 (1): 1–19. doi:10.1016/0097-3165(79)90050-5.
H. Hanani (1975). "Balanced incomplete block designs and related designs". Discrete Mathematics 11 (3): 255–369. doi:10.1016/0012-365X(75)90040-0.
Haim Hanani (1974). "On Resolvable Balanced Incomplete Block Designs".
Journal of Combinatorial Theory 17 (3): 275–289. doi:10.1016/0097-3165(74)90093-4. H. Hanani (1972). "On resolvable designs".
Discrete Mathematics 3 (4): 343–357. doi:10.1016/0012-365X(72)90091-X.
Haim Hanani (1972). "On Balanced Incomplete Block Designs with Blocks Having Five Elements".
Journal of Combinatorial Theory 12 (2): 184–201. doi:10.1016/0097-3165(72)90035-0.
P. Erdőson H. Hanani (1963). "On a limit theorem in combinatorical analysis". Publication Mathematics Debrecen 10: 10–13.
Hanani, H. (1971).
"Proceedings of Symposia in Pure Mathematicas. (American Mathematical Society)" 19: 115–120. Hanani, H. (1970). "On the number of orthogonal Latin squares".
Journal of Combinatorial Theory (Elsevier) 8 (3): 247–271. doi:10.1016/s0021-9800(70)80079-5.
Hanani, H. (1963). "On some tactical configurations". Canadian Journal of Mathematics 15: 702–722. doi:10.4153/cjm-1963-069-5.
Haim Hanani (1947). "Sur les changements des signes d"une série à termes complexes." 225 (225).
Comptes rendus des séances de l"Academie des Sciences: 516–518. Haim Hanani (1935). "Über wesentlich unplättbar Kurven im dreidimensionale Raume".
Fundamental Mathematicæ 23: 135–142. Haim Hanani (1979). "Decomposition of Hypergraphs into Octahedra".
Transactions of the New York Academy of Sciences (New York Academy of Sciences) 319: 260–264. doi:10.1111/j.1749-6632.1979.tb32799.x.
Haim Hanani (1976). "Resolvable designs". Colloquio Internazionale sulle Teorie Combinatorie (Atti dei Convegni Lincei Roma) 17: 249–252.
Haim Hanani; East. Netanyahu.
M. Reichaw (1968). "Eigenvalues of infinite matrices". Colloquium Mathematicum 19: 89–101.
Haim Hanani; Doctorate. Orenstein.
V.T. Sós (1964). "On the lottery problem". Publications of the Mathematical Institute of the Hungarian Academy of Sciences 9 (8): 155–158.
Haim Hanani (1960). "A note on Steiner triple systems".
Mathematics Scandinavica 8: 154–156. Haim Hanani (1951). "On the number of straight lines determined by η points".
Riveon Lematematika 5: 10–11.
