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photo of Geovanni LeoniGiovanni Leoni

Professor
Ph.D., University of Minnesota, Minneapolis

Office: Wean Hall 6128
Phone: (412) 268-2557
Fax: (412) 268-6380
E-mail: giovanni@andrew.cmu.edu

Research

My current research interests lie in calculus of variations, partial differential equations and geometric measure theory with special emphasis on applications to problems in continuum mechanics and in materials science.

Selected Publications

Books

1) Modern Methods in the Calculus of Variations: L^p Spaces, (with I. Fonseca), Springer Monographs in Mathematics, Springer, 2007

2) Modern Methods in the Calculus of Variations: Sobolev Spaces, (with I. Fonseca), in preparation, to appear in Springer-Verlag

Papers

Energies for incoherent interfaces: an analytical approach, (with P. Cermelli and M. Gurtin), Interfaces and Free Boundaries 1 (1999) 81--105;

Interfacial energies for incoherent inclusions, (with P. Cermelli), Archive Rational Mech. Anal. 159 (2001) 335--361;

A Gamma-convergence result for the two-gradient theory of phase transitions, (with S. Conti and I. Fonseca), Comm. Pure Appl. Math. 55 (2002) 857--936;

A global method for relaxation in W^{1,p} and in SBV_{p}, (with G. Bouchitte', I. Fonseca and L. Mascharenhas), Arch. Ration. Mech. Anal. 165 (2002) 187-242;

Higher Order Quasiconvexity Reduces to Quasiconvexity (with G. Dal Maso, I. Fonseca and M. Morini), Archive Rational Mech. Anal. 171 (2004), no. 1, 55--81;

A-quasiconvexity: the gap problem, (with I. Fonseca and S. Mueller), Ann. Inst. H. Poincar Anal. Non Linaire 21 (2004), no. 2, 209-236;

"On optimal regularity of free boundary problems and a conjecture of De Giorgi (with H. Koch and M. Morini), Comm. Pure Appl. Math. 58 (2005), no. 8, 1051--1076;

Weak continuity and lower semicontinuity results for determinants (with I. Fonseca and J. Maly), Arch. Ration. Mech. Anal. 178 (2005), no. 3, 411--448;

Renormalized Energy and Forces on Dislocations (with P. Cermelli), SIAM J. Math. Anal. 37 (2005), no. 4, 1131--1160;

Necessary and sufficient conditions for the chain rule in $W_{loc}^{1,1}(R^N;R^d)$ and $BV_{loc}(R^N;R^d)$ (with M. Morini) to appear in the Journal of the European Mathematic Society (JEMS).;