- Vlastimil Pták
Vlastimil Pták (
November 8 1925 ,Prague -May 5 1999 ) was a Czechmathematician , who worked in functional analysis, theoretical numerical analysis, and linear algebra. Notable early work include generalizations of the open mapping theorem.During 1945-49 Vlastimil Pták studied mathematics and physics at the
Charles University in Prague . Later, he worked at the university and since 1952 in Mathematical Institute ofCzechoslovak Academy of Sciences . In 1965 he was named professor at the Charles University. He has published more than 160 mathematical research papers.elected publications
*"Completeness and the open mapping theorem." Bull. Soc. Math. France 86 1958 41--74. [http://www.numdam.org/numdam-bin/item?id=BSMF_1958__86__41_0 Text online]
*" On complete topological linear spaces."v Czechoslovak. Math v Z. 3(78), (1953). 301--364.
*"On matrices with non-positive off-diagonal elements and positive principal minors." (with Miroslav Fiedler) Czechoslovak Math. J. 12 (87) 1962 382--400.External links
* [http://www.csc.fi/math_topics/Mail/NANET99-2/msg00119.html Short obituary]
* [http://www.math.muni.cz/math/biografie/vlastimil_ptak.html Short biography] (in Czech)
* [http://www.math.wisc.edu/~hans/ptakintro.txt Overview of Pták's work]
* [http://mb.math.cas.cz/mb121-3/9.html Seventy years of Professor Vlastimil Pták: Biography and interview] (PDF or Postscript file, requires subscription)
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