D. D. Wall
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Donald Dines Wall was a mathematician working primarily on number theory. He obtained his PhD on normal numbers from University of California, Berkeley in 1949, where his adviser was Derrick Henry Lehmer. His better known papers include the first modern analysis of Fibonacci sequence, modulo m.
Drawing on Wall's work, Zhi-Hong Sun and his twin brother Zhi-Wei Sun proved a theorem about what are now known as the Wall-Sun-Sun primes that guided the search for counterexamples to Fermat's last theorem.
[edit] Papers
- P.G. Hoel and D.D. Wall, The accuracy of the root-squaring method for solving equations, J. Math. and Phys. 26 (1947) 156--164.
- D.D. Wall, Normal numbers, Ph.D. thesis, Univ. California, Berkeley, 1949
- D.D. Wall, The order of an iteration formula, Math. Tables Aids Comput. 10 (1956) 167-168.
- D.D. Wall, Fibonacci series modulo m, Amer. Math. Monthly 67 (1960) 525-532
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