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Ennio de Giorgi

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Nationality
  
Italian

Doctoral advisor
  
Role
  
Mathematician

Name
  
Ennio Giorgi

Institutions
  
University of Pisa


Ennio de Giorgi Renato Caccioppoli Prize Unione Matematica Italiana

Born
  
8 February 1928Lecce, Italy (
1928-02-08
)

Fields
  
Calculus of variations, Partial differential equations

Known for
  
theory of Caccioppoli sets, solution of 19th Hilbert problem, existence and regularity theorem for minimal surfaces

Died
  
October 25, 1996, Pisa, Italy

Education
  
Sapienza University of Rome

Books
  
Selected papers, Semicontinuity theorems in the calculus of variations

Awards
  
Notable awards
  

Storia di ennio de giorgi


Ennio De Giorgi (8 February 1928 – 25 October 1996) was an Italian mathematician, member of the House of Giorgi, who worked on partial differential equations and the foundations of mathematics.

Contents

Ennio de Giorgi Giornata in ricordo di Ennio De Giorgi

Ennio de giorgi la parallelepipedizzazione della sfera


Mathematical work

Ennio de Giorgi Scripta volant verba manent Luigi Ambrosio Marco Forti

He solved Bernstein's problem about minimal surfaces.

Ennio de Giorgi mathematicasnsitmediaimgautoreDeGiorgi01jpg

He solved the 19th Hilbert problem on the regularity of solutions of elliptic partial differential equations.

Quotes

Ennio de Giorgi Louis Nirenberg Tribute to Ennio De Giorgi 20 September 2016

  • "If you can't prove your theorem, keep shifting parts of the conclusion to the assumptions, until you can"
  • Scientific papers

    Ennio de Giorgi Storia di Ennio DE Giorgi YouTube

  • De Giorgi, Ennio (1953), "Definizione ed espressione analitica del perimetro di un insieme" [Definition and analytical expression of the perimeter of a set], Atti della Accademia Nazionale dei Lincei, Rendiconti della Classe di Scienze Fisiche, Matematiche e Naturali, 8 (in Italian), 14: 390–393, MR 0056066, Zbl 0051.29403 . The first note published by De Giorgi on his approach to Caccioppoli sets.
  • De Giorgi, Ennio (1954), "Su una teoria generale della misura (r-1)-dimensionale in uno spazio ad r dimensioni" [On a general theory of (r - 1)-dimensional measure in r-dimensional space], Annali di Matematica Pura ed Applicata, IV (in Italian), 36 (1): 191–213, MR 0062214, Zbl 0055.28504, doi:10.1007/BF02412838 . The first complete exposition of his approach to the theory of Caccioppoli sets by De Giorgi.
  • De Giorgi, Ennio; Ambrosio, Luigi (1988), "Un nuovo tipo di funzionale del calcolo delle variazioni" [A new kind of functional in the calculus of variations], Atti della Accademia Nazionale dei Lincei, Rendiconti della Classe di Scienze Fisiche, Matematiche e Naturali, 8 (in Italian and English summary)), 82 (2): 199–210, MR 1152641, Zbl 0715.49014 CS1 maint: Unrecognized language (link). The first paper on SBV functions and related variational problems.
  • Ambrosio, Luigi; De Giorgi, Ennio (1988), "Problemi di regolarità per un nuovo tipo di funzionale del calcolo delle variazioni" [Regularity problemsa for a new kind of functional in the calculus of variations], Atti della Accademia Nazionale dei Lincei, Rendiconti della Classe di Scienze Fisiche, Matematiche e Naturali, 8 (in Italian and English summary)), 82 (4): 673–678, MR 1139814, Zbl 0735.49036 CS1 maint: Unrecognized language (link).
  • Review papers

  • De Giorgi, Ennio (1992), "Problemi variazionali con discontinuità libere", in Amaldi, E.; Amerio, L.; Fichera, G.; Gregory, T.; Grioli, G.; Martinelli, E.; Montalenti, G.; Pignedoli, A.; Salvini, Giorgio; Scorza Dragoni, Giuseppe, Convegno internazionale in memoria di Vito Volterra (8–11 ottobre 1990) [International congress in memory of Vito Volterra (October 8–11, 1990)], Atti dei Convegni Lincei (in Italian), 92, Roma: Accademia Nazionale dei Lincei, pp. 39–76, ISSN 0391-805X, MR 1783032, Zbl 1039.49507 . "Free-discontinuity variational problems" (English translation of the title) is a survey paper on free-discontinuity variational problems including several details on the theory of SBV functions, their applications and a rich bibliography (in Italian).
  • Books

  • De Giorgi, Ennio; Colombini, Ferruccio; Piccinini, Livio (1972), Frontiere orientate di misura minima e questioni collegate [Oriented boundaries of minimal measure and related questions], Quaderni (in Italian), Pisa: Edizioni della Normale, p. 180, MR 493669, Zbl 0296.49031 . An advanced text, oriented to the theory of minimal surfaces in the multi-dimensional setting, written by some of the leading contributors to the theory.
  • De Giorgi, Ennio (2006), Ambrosio, Luigi; Dal Maso, Gianni; Forti, Marco; Miranda, Mario; Spagnolo, Sergio, eds., Selected papers, Berlin–Heidelberg–New York: Springer-Verlag, ISBN 978-3-540-26169-8, MR 2229237, Zbl 1096.01015  A selection from De Giorgi's scientific works, offered in an amended typographical form, in the original Italian language and English translation, including a biography, a bibliography and commentaries from Luis Caffarelli and other noted mathematicians.
  • References

    Ennio de Giorgi Wikipedia


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