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Topic: Erik Ivar Fredholm


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  Fredholm operator - Wikipedia, the free encyclopedia
In mathematics, a Fredholm operator is a bounded linear operator between two Banach spaces whose range is closed and whose kernel and cokernel are finite-dimensional.
The abstract structure of Fredholm's theory (if not the computational aspects) can now be derived in terms of the spectral theory of Fredholm operators on Hilbert space.
The use of Fredholm operators in partial differential equations is an abstract form of the parametrix method.
en.wikipedia.org /wiki/Fredholm_operator   (221 words)

  
 Fredholm (crater) - Wikipedia, the free encyclopedia
Fredholm is a small lunar impact crater that is located in the rugged ground to the west of the Mare Crisium.
It lies mid-way between the prominent Macrobius crater to the north and Proclus crater almost due south.
Fredholm was also a satellite crater of Macrobius, being designated 'Macrobius D', before being given a name by the IAU.
en.wikipedia.org /wiki/Fredholm_(crater)   (128 words)

  
 Erik Ivar Fredholm Biography / Biography of Erik Ivar Fredholm World of Mathematics Biography
Fredholm was born on April 7, 1866, in Stockholm, Sweden.
Fredholm received his doctorate from Uppsala in 1898, although he conducted the bulk of his studies under Mittag-Leffler at the University of Stockholm.
Fredholm conducted his doctoral thesis on partial differential equations, and his work became significant to the study of deformation of anisotropic media, such as crystals.
www.bookrags.com /biography-erik-ivar-fredholm-wom   (560 words)

  
 Fredholm   (Site not responding. Last check: 2007-10-09)
Ivar, who was born in the Klara area of Stockholm City, proved a brilliant school pupil at the Beskowska School in Stockholm and he was awarded his baccalaureate on 16 May 1885.
Fredholm's work on integral equations was met with great interest and boosted the morale and self-respect of Swedish mathematicians who so far had been working under the shadow of the continental cultural empires Germany and France.
Their eldest son, Bengt Ivar Fredholm, was born in 1912 and he became a major in the Swedish army.
www-history.mcs.st-andrews.ac.uk /history/Mathematicians/Fredholm.html   (1619 words)

  
 Fredholm, Erik Ivar   (Site not responding. Last check: 2007-10-09)
Fredholm was born in Stockholm and studied at the Polytechnic Institute there, and at the University of Uppsala.
Fredholm founded much of his theory on work carried out by US astronomer George Hill (1838-1914), who used linear equations involving determinants of an infinite number of rows and columns.
In Fredholm's paper Sur une nouvelle méthode pour la résolution du problème de Dirichlet 1900, he first developed the essential part of the theory of what is now known as Fredholm's integral equation; further, he went on to define and solve the Fredholm equation of the second type, involving a definite integral.
cartage.org.lb /en/themes/Biographies/MainBiographies/F/Fredholm/1.html   (165 words)

  
 Fredholm   (Site not responding. Last check: 2007-10-09)
Ludvig Fredholm was a merchant who made his fortune replacing gas lamps with electric lamps.
Volterra had earlier studied some aspects of integral equations but before Fredholm little had been done.
The significance of Fredholm's work was more the qualitative insight than the explicit formulas.
www-groups.dcs.st-andrews.ac.uk /~history/Mathematicians/Fredholm.html   (1619 words)

  
 Fredholm   (Site not responding. Last check: 2007-10-09)
Ivar Fredholm was a student at Uppsala, then later at Stockholm and undertook research into mathematical physics.
He developed the theory of Fredholm integral equations in Sur une nouvelle méthode pour la résolution du problème de Dirichlet (1900).
Fredholm wrote papers with great care and attention so he produced work of high quatity which quickly gained him a high reputation through Europe.
202.38.126.65 /mirror/www-history.mcs.st-and.ac.uk/history/Mathematicians/Fredholm.html   (169 words)

  
 References for Fredholm   (Site not responding. Last check: 2007-10-09)
N Zeilon, Obituary of Erik Ivar Fredholm, Oeuvres complète de Ivar Fredholm (Malmö, 1955).
R Balian, La méthode de Neumann et Fredholm vue par le mathématicien et par le physicien, in Les grands systèmes des sciences et de la technologie (Paris, 1994), 23-32.
I Netuka and J Vesely, Ivar Fredholm and the origins of functional analysis (Czech), Pokroky Mat.
www-groups.dcs.st-and.ac.uk /history/Printref/Fredholm.html   (116 words)

  
 Erik Ivar Fredholm - Encyclopedia, History, Geography and Biography
Erik Ivar Fredholm - Encyclopedia, History, Geography and Biography
This biographical article about a mathematician is a stub.
This encyclopedia, history, geography and biography article about Erik Ivar Fredholm contains research on
www.arikah.net /encyclopedia/Ivar_Fredholm   (87 words)

  
 Ivar Fredholm --  Encyclopædia Britannica
Fredholm entered the University of Uppsala in 1886.
More results on "Ivar Fredholm" when you join.
In the years between the first Winter Olympics and World War II, Ivar Ballangrud of Norway set five world speed-skating records and won seven individual Olympic medals, a men's record for the Winter Olympics.
www.britannica.com /eb/article-9035273   (352 words)

  
 Josip Plemelj - Wikipedia, the free encyclopedia
His main research fields were (linear) differential equations, integral equations, potential theory (of harmonic functions), theory of analytical functions and function theory.
When he was studying at Göttingen, Erik Holmgren had reported about a theory which was developed by Erik Ivar Fredholm for linear integral equations of the 1st and the 2nd degree.
Mathematicians from Göttingen began to work on this new research field under Hilbert's guidance.
en.wikipedia.org /wiki/Josip_Plemelj   (2555 words)

  
 Klein_Oskar   (Site not responding. Last check: 2007-10-09)
He defended his doctorate in 1921 at Stockholm Högskola and was opposed by Erik Ivar Fredholm the mathematical physicist best known for his work on integral equations and spectral theory.
In 1930, he was offered Fredholm's position at Stockholm Högskala and he finally returned to his native city to take up a post that he held until his retirement in 1962.
During the 1930s, Klein helped many refugee physicists who were expelled from Germany and other nations largely due to their Jewish heritage.
www-groups.dcs.st-and.ac.uk /~history/Mathematicians/Klein_Oskar.html   (2263 words)

  
 Erik Ivar Fredholm -- Facts, Info, and Encyclopedia article   (Site not responding. Last check: 2007-10-09)
Erik Ivar Fredholm -- Facts, Info, and Encyclopedia article
Erik Ivar Fredholm (April 7, 1866 - August 17, 1927) was a (A Scandinavian language that is the official language of Sweden and one of two official languages of Finland) Swedish (A person skilled in mathematics) mathematician who established the modern theory of (additional info and facts about integral equation) integral equations.
(additional info and facts about Fredholm equation) Fredholm equation
www.absoluteastronomy.com /encyclopedia/e/er/erik_ivar_fredholm.htm   (92 words)

  
 The Hutchinson Encyclopedia: Fredholm, Erik Ivar (1866-1927)@ HighBeam Research   (Site not responding. Last check: 2007-10-09)
The Hutchinson Encyclopedia: Fredholm, Erik Ivar (1866-1927)@ HighBeam Research
He founded the modern theory of integral equations (see integral calculus) and his work provided the foundations for much of the research later carried out by German mathematician David Hilbert.
In Fredholm's paper 'Sur une nouvelle mthode pour la rsolution du problme de Dirichlet'...
highbeam.com /library/doc0.asp?DOCID=1P1:100097479&...   (193 words)

  
 The Mathematics Genealogy Project - Erik Fredholm
Click here to see the students listed in chronological order.
According to our current on-line database, Erik Fredholm has 1 students and 1 descendants.
If you have additional information or corrections regarding this mathematician, please use the update form.
genealogy.math.ndsu.nodak.edu /html/id.phtml?id=20648   (99 words)

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