Fritz Gesztesy
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Friedrich "Fritz" Gesztesy (born 5 November 1953 in
Austria Austria, , bar, Östareich officially the Republic of Austria, is a country in the southern part of Central Europe, lying in the Eastern Alps. It is a federation of nine states, one of which is the capital, Vienna, the most populous ...
) is a well-known Austrian-American
mathematical physicist Mathematical physics refers to the development of mathematical methods for application to problems in physics. The ''Journal of Mathematical Physics'' defines the field as "the application of mathematics to problems in physics and the developmen ...
and
Professor Professor (commonly abbreviated as Prof.) is an academic rank at universities and other post-secondary education and research institutions in most countries. Literally, ''professor'' derives from Latin as a "person who professes". Professors ...
of Mathematics at
Baylor University Baylor University is a private Baptist Christian research university in Waco, Texas. Baylor was chartered in 1845 by the last Congress of the Republic of Texas. Baylor is the oldest continuously operating university in Texas and one of the ...
, known for his important contributions in
spectral theory In mathematics, spectral theory is an inclusive term for theories extending the eigenvector and eigenvalue theory of a single square matrix to a much broader theory of the structure of operators in a variety of mathematical spaces. It is a result ...
,
functional analysis Functional analysis is a branch of mathematical analysis, the core of which is formed by the study of vector spaces endowed with some kind of limit-related structure (e.g. inner product, norm, topology, etc.) and the linear functions defined o ...
,
nonrelativistic The theory of relativity usually encompasses two interrelated theories by Albert Einstein: special relativity and general relativity, proposed and published in 1905 and 1915, respectively. Special relativity applies to all physical phenomena in ...
quantum mechanics Quantum mechanics is a fundamental theory in physics that provides a description of the physical properties of nature at the scale of atoms and subatomic particles. It is the foundation of all quantum physics including quantum chemistr ...
(particularly, Schrödinger operators), ordinary and partial differential operators, and
completely integrable system In mathematics, integrability is a property of certain dynamical systems. While there are several distinct formal definitions, informally speaking, an integrable system is a dynamical system with sufficiently many conserved quantities, or first ...
s (
soliton In mathematics and physics, a soliton or solitary wave is a self-reinforcing wave packet that maintains its shape while it propagates at a constant velocity. Solitons are caused by a cancellation of nonlinear and dispersive effects in the medi ...
equations). He has authored more than 270 publications on mathematics and physics.


Career

After studying
physics Physics is the natural science that studies matter, its fundamental constituents, its motion and behavior through space and time, and the related entities of energy and force. "Physical science is that department of knowledge which r ...
at the
University of Graz The University of Graz (german: link=no, Karl-Franzens-Universität Graz, ), located in Graz, Austria, is the largest and oldest university in Styria, as well as the second-largest and second-oldest university in Austria. History The univers ...
, he continued with his PhD in
theoretical physics Theoretical physics is a branch of physics that employs mathematical models and abstractions of physical objects and systems to rationalize, explain and predict natural phenomena. This is in contrast to experimental physics, which uses experim ...
. The title of his dissertation 1976 with Heimo Latal and Ludwig Streit was ''Renormalization, Nelson's symmetry and energy densities in a field theory with quadratic interaction''. After working at the Institut for Theoretical Physics of the University of Graz (1977–82) and several stays abroad at the
Bielefeld University Bielefeld University (german: Universität Bielefeld) is a university in Bielefeld, Germany. Founded in 1969, it is one of the country's newer universities, and considers itself a "reform" university, following a different style of organization ...
(Alexander von Humboldt Scholarship 1980–81 and 1983–84) and at the
California Institute of Technology The California Institute of Technology (branded as Caltech or CIT)The university itself only spells its short form as "Caltech"; the institution considers other spellings such a"Cal Tech" and "CalTech" incorrect. The institute is also occasional ...
(Max Kade Scholarship 1987–88) he was appointed to Professor at the University of Missouri in 1988 and as Houchins Distinguished Professor in 2002. In 2016 he joined the faculty of Baylor University as Storm Professor of Mathematics. In 1983 he got the Austrian Theodor Körner Award in Natural Sciences, in 1987 the
Ludwig Boltzmann Prize The Ludwig Boltzmann Prize is awarded by the Austrian Physical Society and honors outstanding achievements in theoretical physics. It is named after the famous Austrian physicist Ludwig Boltzmann. The prize was established at the annual meeting ...
of the
Austrian Physical Society The Austrian Physical Society (german: Österreichische Physikalische Gesellschaft) is the national physical society of Austria. History Until 1938, Austrian physicists were part of the German Physical Society. On 13 December 1950, it was decide ...
. In 2002 he was elected to the
Royal Norwegian Society of Sciences and Letters The Royal Norwegian Society of Sciences and Letters ( da, Det Kongelige Norske Videnskabers Selskab, DKNVS) is a Norwegian learned society based in Trondheim. It was founded in 1760 and is Norway's oldest scientific and scholarly institution. The ...
. In 2013 he became a Fellow of the
American Mathematical Society The American Mathematical Society (AMS) is an association of professional mathematicians dedicated to the interests of mathematical research and scholarship, and serves the national and international community through its publications, meetings, ...
.List of Fellows of the American Mathematical Society
retrieved 2013-01-19. Among his students are
Gerald Teschl Gerald Teschl (born 12 May 1970 in Graz) is an Austrian mathematical physicist and professor of mathematics. He works in the area of mathematical physics; in particular direct and inverse spectral theory with application to completely integrable ...
, Karl Unterkofler, and Maxim Zinchenko.


Selected publications

*with Sergio Albeverio, Raphael Høegh-Krohn and Helge Holden: " Solvable Models in Quantum Mechanics", 2nd edition, AMS-Chelsea Series, Amer. Math. Soc., 2005 *with Helge Holden: ''Soliton Equations and their Algebro-Geometric Solutions'', Bd.1 (''1+1 dimensional continuous models''), Cambridge Studies in Advanced Mathematics Bd.79, Cambridge University Press 2003 *with Helge Holden, Johanna Michor, and
Gerald Teschl Gerald Teschl (born 12 May 1970 in Graz) is an Austrian mathematical physicist and professor of mathematics. He works in the area of mathematical physics; in particular direct and inverse spectral theory with application to completely integrable ...
: ''Soliton Equations and their Algebro-Geometric Solutions'', Bd.2 (''1+1 dimensional discrete models''), Cambridge Studies in Advanced Mathematics Bd.114, Cambridge University Press 2008 *with
Barry Simon Barry Martin Simon (born 16 April 1946) is an American mathematical physicist and was the IBM professor of Mathematics and Theoretical Physics at Caltech, known for his prolific contributions in spectral theory, functional analysis, and no ...
, The xi function, Acta Math. 176 (1996), 49–71 *with Rudi Weikard, Picard potentials and Hill's equation on a torus, Acta Math. 176 (1996), 73–107 *with Rudi Weikard, A characterization of all elliptic algebro-geometric solutions of the AKNS hierarchy, Acta Math. 181 (1998), 63–108 *with Barry Simon, A new approach to inverse spectral theory. II. General real potentials and the connection to the spectral measure, Ann. of Math. 2 152 (2000), 593–643


Literature

* Spectral Analysis, Differential Equations and Mathematical Physics: A Festschrift in Honor of Fritz Gesztesy's 60th Birthday, H. Holden, B. Simon and G. Teschl (eds)
Proceedings of Symposia in Pure Mathematics 87
Amer. Math. Soc., 2013
Preface


References


External links


Official Webpage
{{DEFAULTSORT:Gesztesy, Fritz 1953 births Living people 20th-century American mathematicians 21st-century American mathematicians Austrian mathematicians University of Missouri faculty University of Missouri physicists Baylor University faculty Members of the Norwegian Academy of Science and Letters Fellows of the American Mathematical Society Mathematicians from Missouri