Paul Malliavin

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Paul Malliavin
Paul Malliavin, Marie-Paule Malliavin.jpeg
Paul Malliavin at the ICM 2006 in Madrid, with Marie-Paule Malliavin
Born(1925-09-10)September 10, 1925
Neuilly-sur-Seine
DiedJune 3, 2010(2010-06-03) (aged 84)
Paris
NationalityFrance
Alma materUniversity of Paris
Known forMalliavin derivative
Malliavin's absolute continuity lemma
Malliavin calculus
Probabilistic proof of Hörmander's theorem
AwardsServant Prize (1972) Prix Gaston Julia Prize (1974)
Scientific career
FieldsMathematics
InstitutionsPierre and Marie Curie University
Doctoral advisorSzolem Mandelbrojt
Doctoral studentsAna Bela Cruzeiro
Influenced

Paul Malliavin (French: [maljavɛ̃]; September 10, 1925 – June 3, 2010) was a French mathematician who made important contributions to harmonic analysis and stochastic analysis. He is known for the Malliavin calculus, an infinite dimensional calculus for functionals on the Wiener space and his probabilistic proof of Hörmander's theorem. He was Professor at the Pierre and Marie Curie University and a member of the French Academy of Sciences from 1979 to 2010.[1]

Scientific contributions[]

Malliavin's early work was in harmonic analysis, where he derived important results on the spectral synthesis problem, providing definitive answers to fundamental questions in this field, including a complete characterization of 'band-limited' functions whose Fourier transform has compact support, known as the .[2]

In stochastic analysis, Malliavin is known for his work on the stochastic calculus of variation, now known as the Malliavin calculus, a mathematical theory which has found many applications in Monte Carlo simulation and mathematical finance.

As stated by mathematician D. Stroock: "Like Norbert Wiener, Paul Malliavin came to probability theory from harmonic analysis, and, like Wiener, his analytic origins were apparent in everything he did there."[3] Malliavin introduced a differential operator on Wiener space, now called the Malliavin derivative, and derived an integration by parts formula for Wiener functionals. Using this integration by parts formula, Malliavin initiated a probabilistic approach to Hörmander's theorem for hypo-elliptic operators and gave a condition for the existence of smooth densities for Wiener functionals in terms of their .

Selected publications[]

  • La quasi-analyticité généralisée sur un intervalle borné, Annales scientifiques de l’École Normale Supérieure 3e série 72, 1955, pp. 93–110
  • Impossibilité de la synthèse spectrale sur les groupes abéliens non compacts, Publications Mathématiques de l’IHÉS 2, 1959, pp. 61–68
  • Calcul symbolique et sous-algèbres de L1(G), Bulletin de la Société Mathématique de France 87, 1959, pp. 181–186, suite, pp. 187–190
  • with Lee A. Rubel: On small entire functions of exponential type with given zeros, Bulletin de la Société Mathématique de France 89, 1961, pp. 175–206
  • Spectre des fonctions moyenne-périodiques. Totalité d’une suite d’exponentielles sur un segment, Séminaire Lelong. Analyse 3 Exposé No. 11, 1961
  • Un théorème taubérien relié aux estimations de valeurs propres, Séminaire Jean Leray, 1962–1963, pp. 224–231
  • Malliavin, Paul (1972). Géométrie différentielle intrinsèque. Paris: Hermann. ISBN 978-2-7056-5696-6.
  • Géométrie riemannienne stochastique, Séminaire Jean Leray 2 Exposé No. 1, 1973–1974
  • Malliavin, Paul (1978). "Stochastic calculus of variations and hypoelliptic operators". Proceedings of the International Symposium on Stochastic Differential Equations (Res. Inst. Math. Sci., Kyoto Univ., Kyoto, 1976). New York: Wiley. pp. 195–263. MR536013
  • Geometrie differentielle stochastique, Presses de l’Universite de Montreal, 1978
  • with Hélène Airault, Leslie Kay, Gérard Letac: Integration and Probability, Springer, 1995
  • with H. Airault: Some heat operators on P(Rd), Annales mathématiques Blaise Pascal 3 no. 1, 1996, pp. 1–11
  • Stochastic Analysis, Springer, 1997[4]
  • Malliavin, Paul; Thalmaier, Anton (2005). Stochastic Calculus of Variations in Mathematical Finance. Springer. ISBN 978-3-540-43431-3.[5]

References[]

  1. ^ "In memoriam". Academy of Sciences (in French). June 3, 2010. Archived from the original on March 15, 2012. Retrieved June 4, 2010.
  2. ^ Beurling, Arne; Malliavin, Paul (1962). "On Fourier transforms of measures with compact support". Acta Mathematica. 107 (3–4): 291–309. doi:10.1007/BF02545792.
  3. ^ Stroock, Daniel; Yor, Marc (2011). "Remembering Paul Malliavin" (PDF). Notices of the American Mathematical Society. 58: 568.
  4. ^ Driver, Bruce K. (1998). "Review: Stochastic analysis, by Paul Malliavin" (PDF). Bull. Amer. Math. Soc. (N.S.). 35 (1): 99–104. doi:10.1090/s0273-0979-98-00739-3.
  5. ^ Nualart, David (2007). "Review: Stochastic calculus of variations in mathematical finance, by Paul Malliavin and Anton Thalmaier" (PDF). Bull. Amer. Math. Soc. (N.S.). 44 (3): 487–492. doi:10.1090/s0273-0979-07-01146-9.

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