Mathematician:Hubert Stanley Wall
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Mathematician
American mathematician who worked primarily in the field of continued fractions.
One of the leading proponents of the Moore method of teaching.
Nationality
American
History
- Born: 2nd December 1902 in Rockwell City, Iowa
- 1924: Received Bachelor of Arts and Master of Arts degrees from Cornell College in Mount Vernon, Iowa
- 1927: Received Ph.D. degree from the University of Wisconsin (now University of Wisconsin–Madison)
- 1927: Joined faculty at Northwestern University
- 1938: Rescued Ernst Hellinger from almost certain death in Dachau by arranging a place for him at Northwestern University
- 1944: Moved to Illinois Institute of Technology
- 1946: Moved to University of Texas
- 1970: Became Emeritus Professor
- Died: 12th September 1971 in Austin, Texas
Theorems and Definitions
Publications
- 1927: On the Padé Approximants Associated with the Continued Fraction and Series of Stieltjes (Ph.D. Thesis)
- 1929: On extended Stieltjes series
- 1931: On the Padé approximants associated with a positive definite power series
- 1932: Convergence criteria for continued fractions
- 1932: General theorems on the convergence of sequences of Padé approximants
- 1932: On the relationship among the diagonal files of a Padé table
- 1932: On the expansion of an integral of Stieltjes
- 1933: On the continued fractions which represent meromorphic functions
- 1938: On the $n$th Derivative of $f \left({x}\right)$ (Bull. Amer. Math. Soc. Vol. 44: pp. 395 – 398) (in which Faà di Bruno's Formula is presented)
- 1948: Analytic Theory of Continued Fractions
- 1963: Creative Mathematics