Carl Gustav Axel Harnack
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Carl Gustav Axel Harnack (1851-1888) was a German mathematician who contributed to potential theory. Harnack's inequality applied to harmonic functions. He also worked on the real algebraic geometry of plane curves, proving Harnack's curve theorem for real plane algebraic curves.
[edit] See also
[edit] Books by A. Harnack
- Die Grundlagen der Theorie des logarithmischen Potentiales und der eindeutigen Potentialfunktion in der Ebene (Teubner, 1887)
- An introduction to the study of the elements of the differential and integral calculus Cathcart, George Lambert, tr. (Williams and Norgate, 1891)
[edit] External links
- Axel Harnack at the mathematical genealogy project
- Moritz Kassman, Harnack Inequalities: An Introduction Boundary Value Problems (2007), 81415. (An article on Harnack's inequality
that contains a biography of Axel Harnack in the introduction).
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