Fritz Gassmann (1899–1990) was a

Swiss Swiss may refer to: * the adjectival form of Switzerland * Swiss people Places * Swiss, Missouri * Swiss, North Carolina *Swiss, West Virginia * Swiss, Wisconsin Other uses *Swiss-system tournament, in various games and sports *Swiss Internation ...

mathematician and geophysicist.

Life

His Ph.D. advisors at

ETH Zurich (colloquially) , former_name = eidgenössische polytechnische Schule , image = ETHZ.JPG , image_size = , established = , type = Public , budget = CHF 1.896 billion (2021) , rector = Günther Dissertori , president = Joël Mesot , ac ...

were

George Pólya George Pólya (; hu, Pólya György, ; December 13, 1887 – September 7, 1985) was a Hungarian mathematician. He was a professor of mathematics from 1914 to 1940 at ETH Zürich and from 1940 to 1953 at Stanford University. He made fundamental ...

and

Hermann Weyl Hermann Klaus Hugo Weyl, (; 9 November 1885 – 8 December 1955) was a German mathematician, theoretical physicist and philosopher. Although much of his working life was spent in Zürich, Switzerland, and then Princeton, New Jersey, he is assoc ...

. He was a geophysics professor at the ETH Zurich.

Legacy

Gassmann is the eponym for the

Gassmann triple In mathematics, a Gassmann triple (or Gassmann-Sunada triple) is a group ''G'' together with two faithful actions on sets ''X'' and ''Y'', such that ''X'' and ''Y'' are not isomorphic as ''G''-sets but every element of ''G'' has the same number o ...

and

Gassmann's equation Gassmann's equations are a set of two equations describing the isotropic elastic constants of an ensemble consisting of an isotropic, homogeneous porous medium with a fully connected pore space, saturated by a compressible fluid at pressure equilibr ...

Selected publications

*Gassmann, Fritz (1951). Über die Elastizität poröser Medien. ''Viertel. Naturforsch. Ges. Zürich'', 96, 1 – 23. (English translation available as pd
here
. * *

References

* *

Gerald L. Alexanderson Gerald Lee Alexanderson (1933–2020) was an American mathematician. He was the Michael & Elizabeth Valeriote Professor of Science at Santa Clara University, and in 1997–1998 was president of the Mathematical Association of America. He was also ...

"The Random Walks of George Pólya".
Mathematical Association of America, 1999. 303pp. .

External links

ETH Zurich Webpage1951 Photo
{{DEFAULTSORT:Gassmann, Fritz 1899 births 1990 deaths 20th-century Swiss mathematicians Number theorists Swiss geophysicists Academic staff of ETH Zurich ETH Zurich alumni