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Publications FYMA
Recherchez une publication dans la base de données FYMA en
entrant des mots clés (auteurs, année, titre, ...) dans la case suivante:
23 publications trouvées pour ' 2006'
UCL-IPT-06-12 : ( pdf)
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Auteurs:
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J.-M. Gérard
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Titre:
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A la recherche de la matière perdue
Thème de la Chaire Francqui au titre belge
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Références:
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Physicalia Magazine 28 (2006) pp. 27-47
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Résumé:
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UCL-IPT-06-11 : ( pdf)
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Auteurs:
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J.-M. Gérard, E. Kou
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Titre:
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Anomalous enhancement of a penguin hadronic matrix element in $B to K eta'$
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Références:
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e-print Archive: hep-ph/0609300
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Résumé:
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UCL-IPT-06-10 : ( pdf)
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Auteurs:
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J. Alwall, R. Frederix, J.-M. Gérard, A. Giammanco, M. Herquet, S. Kalinin, E. Kou, V. Lemaître, F. Maltoni
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Titre:
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Is $V_{tb} simeq 1$?
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Références:
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e-print Archive: hep-ph/0607115
To appear in Eur. Phys. J. C
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Résumé:
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UCL-IPT-06-09 : ( pdf)
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Auteurs:
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J.-M. Gérard
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Titre:
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The strong equivalence principle from a gravitational gauge structure
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Références:
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e-print Archive: gr-qc/0607019
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Résumé:
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UCL-IPT-06-08 : ( pdf)
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Auteurs:
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J.-M. Gérard, C. Smith, S. Trine
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Titre:
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Tracking down penguins at the poles
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Références:
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e-print Archive: hep-ph/0605165
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Résumé:
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UCL-IPT-06-07
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Auteurs:
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Jean Bricmont, A. Kupiainen
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Titre:
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Fourier's law from closure equations
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Références:
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preprint (2006)
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Résumé:
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UCL-IPT-06-06
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Auteurs:
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Jean Bricmont, A. Kupiainen
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Titre:
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On the derivation of Fourier's law for coupled anharmonic oscillators
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Références:
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preprint (2006)
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Résumé:
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UCL-IPT-06-05
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Auteurs:
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M. Jeng, G. Piroux et Ph. Ruelle
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Titre:
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Height variables in the Abelian sandpile model: scaling fields and correlations
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Références:
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cond-mat/0609284
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Résumé:
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We compute the lattice 1-site probabilities, on the upper half-plane, of the four height
variables in the two-dimensional Abelian sandpile model. We find their exact
scaling form when the insertion point is far from the boundary, and
when the boundary is either open or closed. Comparing with the predictions of
a logarithmic conformal theory with central charge $c=-2$, we find a full
compatibility with the following field assignments: the heights 2, 3 and 4 behave like
(an unusual realization of) the logarithmic partner of a primary field with scaling
dimension 2, the primary field itself being associated with the height 1 variable.
Finite size corrections are also computed and successfully compared with numerical
simulations. Relying on these field assignments, we formulate a conjecture for the scaling
form of the lattice 2-point correlations of the height variables on the plane,
which remain as yet unknown. The way conformal invariance is realized in this system
points to a local field theory with $c=-2$ which is different from the triplet theory.
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UCL-IPT-06-04 : ( pdf)
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Auteurs:
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ANTOINE JP
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Titre:
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Wavelets on the two-sphere and related manifolds
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Références:
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J. of Fourier Analysis and Applic. (2006) to appear
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Résumé:
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We develop systematically the notions of weighted and controlled frames, including their mutual relationship. We also make the connection with frame multipliers.
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UCL-IPT-06-03 : ( pdf)
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Auteurs:
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ANTOINE, JP
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Titre:
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Partial *-algebras, a tool for the mathematical description of physical systems?
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Références:
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Essays in Honour of Gérard Emch
(2006) to appear
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Résumé:
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We review the main steps in the development of partial *-algebras. First we discuss the algebraic structure stemming from the partial multiplication. Then we study in some detail the locally convex partial *-algebras, in particular, the Banach partial *-algebras, and we describe a number of concrete examples.
Next we consider the partial *-algebras s of closable operators in Hilbert spaces (partial O*-algebras), with a special emphasis on their *-automorphisms. Finally we sketch the representation theory of abstract partial *-algebras and give some instances of possible physical applications.
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UCL-IPT-06-02
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Auteurs:
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ANTOINE, JP
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Titre:
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Partial inner product spaces with application to Gabor/wavelet analysis
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Références:
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Automation, Computers, Applied Math. (2006) to appear
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Résumé:
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UCL-IPT-06-01 : ( pdf)
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Auteurs:
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Antoine JP
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Titre:
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Biweights and *-homomorphisms of partial *-algebras
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Références:
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Int. J. of Math. and Math. Sc. (2006) submitted
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Résumé:
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Consider two partial *-algebras $A_{1}$ and $A_{2}$ and a *-homomorphism $Phi$ from $A_{1}$ into $A_{2}$. Given a biweight $varphi$ on $A_{2}$, we discuss conditions under which the natural composition $varph circ Phi$ of $vp$ and $Phi$ is a biweight on
$A_{1}$. In particular, we examine whether the restriction of a biweight to a partial *-subalgebra is again a biweight.
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UCL-IPT-05-22 : ( pdf)
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Auteurs:
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Rosca D.
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Titre:
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Piecewise constant wavelets with 1-3 subdivision
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Références:
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(2006) submitted
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Résumé:
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UCL-IPT-05-21 : ( pdf)
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Auteurs:
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Rosca D.
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Titre:
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Fourier series with linear splines on an interval
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Références:
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Resultaten der Mathematik (2006) to appear
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Résumé:
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UCL-IPT-05-16 : ( pdf)
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Auteurs:
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Rosca D.
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Titre:
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Weighted Haar wavelets on the sphere
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Références:
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Int. J. on Wavelets, Multiresolution and Inform. Process. (2006) to appear
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Résumé:
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UCL-IPT-05-12 : ( pdf)
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Auteurs:
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Antoine Jean-Pierre and Trapani C.
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Titre:
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A note on Banach partial *-algebras
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Références:
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Mediterranean J. of Mathematics 3 (2006) pp. 67-86
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Résumé:
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A Banach partial *-algebra is a locally convex partial *-algebra whose total space is a Banach space.
A Banach partial *-algebra is said to be of type (B) if it possesses a generating family of
multiplier spaces that are also Banach spaces. We describe the basic properties of such objects and display a number ofexamples, namely $L^p$-like function spaces and spaces of operators on Hilbert scales.
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UCL-IPT-05-11 : ( pdf)
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Auteurs:
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Gérard Jean-Marc, Goffinet F. and Herquet M.
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Titre:
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A new look at an old mass relation
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Références:
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Physics Letters B633 (2006) pp. 563-566
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Résumé:
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New data from neutrino oscillation experiments motivate us to extend a successful mass relation for the charged leptons to the other fundamental fermions. This new universal relation requires a Dirac mass around 3 10^{-2} eV for the lightest neutrino and rules out a maximal atmospheric mixing. It also suggests a specific decomposition of the CKM mixing matrix.
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UCL-IPT-05-05
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Auteurs:
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Antoine Jean-Pierre
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Titre:
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David's Speiser group theory: From Stiefel's crystallographic approach to Kac-Moody algebras
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Références:
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Two Cultures: Essays in Honour of David Speiser
Kim Williams (ed.), Birkhäuser, Basel (2006) pp. 13-23
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Résumé:
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UCL-IPT-04-25
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Auteurs:
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Lefevere R., Tasaki H.
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Titre:
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High-temperature expansion for nonequilibrium steady states in driven lattice gases
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Références:
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Physical Rev. Lett. 94 (2005) 200601
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Résumé:
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UCL-IPT-04-24 : ( pdf)
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Auteurs:
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Antoine Jean-Pierre, Jacques L.
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Titre:
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Traitement de l'image: de l'équation de la chaleur aux ondelettes
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Références:
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Actes Univ. d'été 'Sciences mathématiques et modélisation' (IREM-Bordeaux, août 2004) (2006) to appear
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Résumé:
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UCL-IPT-04-03 : ( pdf)
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Auteurs:
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Antoine Jean-Pierre
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Titre:
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Introduction to 'Precursors in Physics: Affine Coherent States'
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Références:
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textit{Fundamental Papers in Wavelet Theory}, C. Heil, D. Walnut (eds.), Princeton University Press, Princeton, NJ (2006) pp. 113-116
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Résumé:
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UCL-IPT-
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Auteurs:
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Radelet-de Grave, Patricia
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Titre:
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« Studies of magnetism in the correspondance of Daniel Bernoulli »,
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Références:
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in « Two cultures ; Essays, in honour of David Speiser, Bâle, Birkhäuser, 2006, pp. 115-131.
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Résumé:
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UCL-IPT-
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Auteurs:
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Radelet-de Grave, Patricia
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Titre:
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Matematica, architettura e meccanica nella scuola di François d’Aguillon e di Grégoire de Saint-Vincent,
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Références:
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dans « Matematica, arte e technica nella storia, in memoria di Tullio Viola » Ed Livia Giacardi et Clara Silvia Roero, Kim Williams Book, Turin, 2006.
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Résumé:
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