Page Web de Dorin Bucur

 
 

Dorin BUCUR

Professeur

Laboratoire de Mathématiques CNRS UMR 5127
Université de Savoie
Campus Scientifique
73 376 Le-Bourget-Du-Lac, France

 Tél:       +33 (0)4 79 75 86 29
 Fax:      +33 (0)4 79 75 81 42

 e-mail  dorin.bucur_at_univ-savoie.fr
 (replace _at_ by @)

http://www.lama.univ-savoie.fr/~bucur






ANR research project
"Geometric analysis of optimal shapes"
(GAOS)

MSRI Berkeley
Free Boundary Problems, Theory and Applications
January 10, 2011 to May 20, 2011

International conference: Shape optimization problems and spectral theory, May 28-June 2, 2012, CIRM Marseille, France

Intensive course on Shape optimisation and free boundaries, October 31-November 5, 2011. Timisoara


List of publications (on MathSciNet)
 Preprints 
Research

Curriculum Vitae


Teaching/Enseignement (French)

Recent papers:

Monotonicity formula and  regularity for general free discontinuity problems (with S. Luckhaus), Preprint CVGMT March 2012.

Minimization of the k-th eigenvalue of the Dirichlet Laplacian, February 2012.

Lower bounds for the Prékopa-Leindler deficit by some distances modulo translations (with I. Fragala), March 2012.

Shape optimization problems with internal constraint (with G. Buttazzo and B. Velichkov), Preprint CVGMT September 2011.

Shape flows for spectral optimization problems   (with G. Buttazzo and U. Stefanelli), July  2011.

Optimal convex shapes for concave functionals (with I. Fragala and J. Lamboley), COCV (to appear) 2011.

The first biharmonic Steklov eigenvalue: the positivity preserving and shape optimization (with Filippo Gazzola)  Milan Journal of Mathematics, Volume 79,  1 (2011),  247--258. Preprint version.

Micro shape control, riblets and drag  minimization (with M. Bonnivard), November 2010.

A variational approach to the isoperimetric inequality for the Robin eigenvalue problem (with A. Giacomini), Arch. Ration. Mech. Anal. Volume 198, Number 3, 927--961, 2010, Preprint version.

The uniform rugosity effect (with M. Bonnivard), to appear in J. Math. Fluid Mech. 2011, Preprint version .

On the characterization of the compact embedding of Sobolev spaces  (with G. Buttazzo), to appear in  Calculus of Variations and PDEs 2011, Preprint version.

Boundary behavior of viscous fluids: Influence of wall roughness and friction-driven boundary conditions (with E. Feireisl, S. Necasova) Arch. Ration. Mech. Anal. 197 (2010), 117--138, Preprint version.

Optimal partitions for eigenvalues (with B. Bourdin, E. Oudet) SIAM J. of Scientific Computing 31  (2009/10),  no. 6, 4100--4114 Preprint version.

How to Choose Interpolation Data in Images (with Z. Belhachmi, B. Burgeth, J. Weickert), SIAM J. of Appl. Maths.  70  (2009),  no. 1, 333--352.,  Preprint version.

An alternative approach to the Faber-Krahn inequality for Robin problems (with D. Daners)Calculus of Variations and PDEs  37  (2010),  no. 1-2, 75--86, Preprint version.

Minimization of $\lambda_2 (\Omega)$ with a perimeter constraint (with G. Buttazzo and  A. Henrot) Indiana University Mathematics Journal Vol. 58, (6) 2009, 2709--2728. Preprint version.

The rugosity effect, Jindrich Necas Center for Mathematical Modeling Lecture Notes Volume 5 "Qualitative properties of solutions to partial differential equations", E. Feireisl, P. Kaplicky and J. Malek Editors, 1--24,  2009 (survey of the talks given at the Necas Center for Mathematical Modeling, Prague).

On the first eigenvalue of a fourth order Steklov problem (with A. Ferrero and F. Gazzola),  Calculus of Variations and PDEs 35 (2009), 103--131. Preprint version.

On the asymptotic limit of the Navier-Stokes system with rough boundaries (with E. Feireisl, S. Necasova and J. Wolf), Journal of Differential Equations,  244  (2008),  no. 11, 2890--2908Preprint version.

Quasistatic Evolution in Debonding Problems via Capacitary Methods (with G. Buttazzo and A. Lux)Arch. Ration. Mech. Anal. 190  (2008),  no. 2, 281--306. Preprint version.

On the asymptotic limit of flows past a ribbed boundary (with E. Feireisl and S. Necasova), J. Math. Fluid Mech.  10  (2008),  no. 4, 554--568. Preprint version.

Influence of wall roughness on the slip behavior of viscous fluids (with E. Feireisl and S. Necasova), Proc. Royal Soc. Edinburgh Sec. A. 138  (2008),  no. 5, 957--973..  Preprint version.

Whitney property in two dimensional Sobolev spaces  (with A. Giacomini and P. Trebeschi), Proc. Amer. Math. Soc.  136 (2008), 2535--2545. Preprint version.

Do optimal shapes exist? (survey of the talk given at Seminario Matematico Fisico di Milano, November 2006, Milan Journal of Mathematics, 75 (2007), 379--398.) Preprint version.

Irreversible quasistatic evolutions by minimizing movements  (with G. Buttazzo), Journal of Convex Analysis (link to the Journal), 15 (3), July 2008. Preprint version.

The incompressible limit of the full Navier-Stokes-Fourier system on domains with rough boundaries (with E. Feireisl), Nonlinear Analysis: Real World Applications, 10 (2009), 3203--3229 (link to the journal). Preprint version.

The eigenvalue problem with conductivity boundary conditions (with I. Durus and E. Oudet)  Control and Cybernetics  37  (2008),  no. 4, 811--829.  Preprint version.

Stability and uniqueness for the crack identification problem  (with Z. Belhachmi) (SIAM J. Control and Optimization 46  (2007),  no. 1, 253--273. ) Preprint version.

Characterization of the shape stability for nonlinear elliptic problems (Journal of Differential Equations, 226 (2006), no. 1, 99--117). Preprint version.

Weak semi-continuity of the duality product in Sobolev spaces ( J. Funct. Anal. 236 (2006), no. 2, 712--725). Preprint version.

Shape optimization problems for eigenvalues of elliptic operators (Zeitschrift für Angewandte Mathematik und Mechanik, 86 (2006), no. 3, 171--184) (joint paper with Z. Belhachmi,  G. Buttazzo and J.-M. Sac-Epée). Please send an e-mail for a reprint.

Asymptotic analysis and scaling of friction parameters (with Ioan R. Ionescu) (Zeitschrift für Angewandte Mathematik und Physik, 2005). Please send an e-mail for a reprint.

How to prove existence in shape optimization (Control and Cybernetics 34 (2005), no. 1, 103--116). Preprint version.

Finite element approximation of the Neumann eigenvalue problem in domains with multiple cracks  (with Z. Belhachmi and J.-M. Sac-Epée) ( IMA J. of Numerical Analysis,  26  (2006),  no. 4, 790--810).

http://www.springer.com/sgw/cda/frontpage/0,,5-10044-22-36290509-0,00.html


Book: Variational Methods in Shape Optimization Problems
(with G. Buttazzo) 
Series: Progress in Nonlinear Differential Equations and Their Applications, Vol. 65 , Birkhäuser 2005


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