We show that convex lower semicontinuous functionals defined on functions of bounded variation are characterized by their minima, and we prove a derivation formula which allows an integral representation of such functionals. Applications to relaxation and homogenization are given.

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Andrea Braides

Dipartimento di Elettronica per l’Automazione, Università di Brescia, Via Valotti 9, 25060 Brescia, Italy.

Valeria Chiadò Piat

Dipartimento di Matematica, Politecnico di Torino, C.so Duca degli Abruzzi 24, 10129 Torino, Italy.

  1. L. Ambrosio, A. Braides: Functionals defined on partitions of sets of finite perimeter, I: integral representation and Γ-convergence, J. Math. Pures. Appl. 69 (1990), 285–305.Google Scholar
  2. L. Ambrosio, A. Braides: Functionals defined on partitions of sets of finite perimeter, II: semicontinuity, relaxation and homogenization, J. Math. Pures. Appl. 69 (1990), 307–333.Google Scholar
  3. L. Ambrosio, S. Mortola and V. M. Tortorelli: Functionals with linear growth defined on vector-valued BV functions, J. Math. Pures. Appl. 70 (1991), 269–323.Google Scholar
  4. L. Ambrosio, D. Pallara: Integral representation of relaxed functionals on BV (IR n; IRk) and polyhedral approximation, Indiana Univ. Math. J. 42 (1993), 295–321.https://doi.org/10.1512/iumj.1993.42.42015Google Scholar
  5. P. Aviles, Y. Giga: Variational integrals on mappings of bounded total variation and their lower semicontinuity, Arch. Rational Mech. Anal. 115 (1991), 201–255.https://doi.org/10.1007/BF00380769Google Scholar
  6. G. Bouchitté: Convergence et relaxation de fonctionelles du calcul des variations a croissance linéaire. Application a l’homogénéisation en plasticité, Ann. Fac. Sci. Uni. Toulouse Math. VIII 1 (1986/87), 7–36.https://doi.org/10.5802/afst.628Google Scholar
  7. G. Bouchitté, G.Dal Maso: Integral representation and relaxation of convex local functionals on BV (Ω), Ann. Scuola Norm. Sup. Pisa 42 (1993), 483–533.Google Scholar
  8. A. Braides, A. Coscia: A singular perturbation approach to problems in fracture mechanics, Math. Mod. Meth. Appl. Sci. 3 (1993), 303–340.https://doi.org/10.1142/S0218202593000175Google Scholar
  9. A. Braides, A. Coscia: Interaction between bulk and surface energies in multiple integrals, Proc. Roy. Soc. Edinburgh Sect. A 124 (1994), 737-756.https://doi.org/10.1017/S0308210500028638Google Scholar
  10. G. Buttazzo: Semicontinuity, Relaxation and Integral Representation in the Calculus of Variations, Pitman Res. Notes Math. Ser. 207, Longman, Harlow 1989.Google Scholar
  11. G. Congedo, I. Tamanini: On the existence of solutions to a problem in multidimensional segmentation, Ann. Inst. H. Poincaré Anal. Non Linéaire 2 (1991), 175–195.https://doi.org/10.1016/s0294-1449(16)30271-2Google Scholar
  12. G. Dal Maso: An Introduction to Γ-convergence, Birkhäuser, Boston, 1993.https://doi.org/10.1007/978-1-4612-0327-8Google Scholar
  13. G. Dal Maso, L. Modica: Integral functionals determined by their minima, Rend. Sem. Mat. Univ. Padova 76 (1986), 255–267.Google Scholar
  14. H. Federer: Geometric Measure Theory. Springer-Verlag, New York, 1969.Google Scholar
  15. I. Fonseca, S. Müller: Relaxation of Quasiconvex Functionals in BV (Ω; IR p) for Integrands f (x, u,∇u), Arch. Rational Mech. Anal. 123 (1993), 1–49.https://doi.org/10.1007/BF00386367Google Scholar
  16. I. Fonseca, P. Rybka: Relaxation of multiple integrals in BV (Ω; IR p), Proc. Roy. Soc. Edinburgh Sect. A 120 (1992), 321–348https://doi.org/10.1017/S0308210500027943Google Scholar
  17. E. Giusti: Minimal Surfaces and Functions of Bounded Variation, Birkhäuser, Basel 1983.https://doi.org/10.1007/978-1-4684-9486-0Google Scholar
  18. A. P. Morse: Perfect blankets, Trans. Amer. Math. Soc. 6 (1947), 418–442.https://doi.org/10.1090/S0002-9947-1947-0020618-0Google Scholar
  19. A. I. Vol’pert: Spaces BV and quasilinear equations, Math. USSR Sb. 17 (1967), 225–267.https://doi.org/10.1070/SM1967v002n02ABEH002340Google Scholar
  20. W. P. Ziemer: Weakly Differentiable Functions, Springer-Verlag, Berlin 1989.https://doi.org/10.1007/978-1-4612-1015-3Google Scholar

A. Braides, V. Chiadò Piat. “A Derivation Formula for Convex Integral Functionals Defined on BV(Ω).” Journal of Convex Analysis 2 (1995), No. 1&2, 69–85. https://doi.org/10.68381/jca02005