Publications:

    Revista Mathematica Iberoamericana, 7 (3) 1991, 221-246.

    Revista Matematica Iberoamericana, Vol. 8, No.3, 1992, 367-439.

    Comm. in Partial Differential Equations, 17 (7&8), 1992, 1213-1251.

    Proceedings of Amer. Math. Soc. 117, No. 4, 1993, 971-978.

    Differential And Integral Equations, 7 (1), 1994, 73-100.

    Revista Matematica Iberoamericana, 10 (4), 1994, 453-466.

    Publicacions Mathematiques v. 39(1), 1995, 187-200.

    C.R. Acad. Sci., Paris, t.320, Serie I, p. 429-434, 1995.

    Ann. Inst. Fourier (Grenoble), 45 (1995), 577-604.

    Potential Analysis, 4 (1995) No. 4, 361-375.

    Publicacions Matematiques, 39 (2), 1995, 314-334.

    Proceedings of 16th Rolf Nevanlinna Colloquium, Joensuu, August,1995, 91-99.

    International Math. Res. Notices, No. 1, 1996, 1-14.

    Comm. In Partial Differential Equations, 21 (1 & 2), 1996, 235-254.

    Publications Matematiques 40 (2), 1996, 301-329.

    PanAmerican Mathematical Journal, (133) 1997, No. 2, 340-354.

    Electronic Research Announcements of AMS, vol. 3, 1997, 83-89.

    Potential Analysis, 7 (1997), 603-614.

    Journal of Differential Equations, (133) 1997, No. 2 340-354.

    Mathematical Research Letters, 4 1997, 777-790.

    C. R. Acad. Sci. Paris., t.326, Serie I, 1998, 691-696.

    Approximation theory and its applications, 14 (1), 1998, 69-80.

    Bulletin of London Math. Soc 30, 1998, 578-584.

    Indian Univ. Math. Jour. 47 (1), 1998, 123-151.

    Nonlinear Analysis 38, 1999, No.7, 919-932.

    J. Approx. Theory 101, 1999, No. 1, 49-62.

    Math. Sci. Res. Hot-Line 3 (6), 1999, 1-27.

    Canadian Math. Bulletin, 43, 2000, No. 1, 63-68.

    Proceedings of Amer. Math. Soc., 128, 2000, No. 1, 75-84.

    Studia Mathematica, 142(2) (2000), 101-133.

    Acta Mathematica Sinica, English Series, 16(3) (2000), 405-444.

    Richerche Matematicas, Vol. XLIX (2000), 177-193.

    Ann. Mat. Pura. Appl. (IV), vol. CLXXIX (2001), 309-329.

    Differential and Integral Equations, V.14 (11), 2001, 1367-1380.

    Indiana University Math. Journal 50 (2001), no. 4, 1567--1591.

    Analysis Mathematica 28 (2002), no. 2, 103--134.

    Acta Mathematica Sinica, English Series 18 (2002), no. 1, 1--20.

    Mathematische Annalen 323 (2002), no. 1, 157--174

    Acta Math. Sinica, English Series 18 (2002), no. 2, 375--390

    Publ. Mat. 47 (2003), no. 1, 45--69.

    Math. Z. 244 (2003), no. 2, 309--335

    Calc. Var. Partial Differential Equations 19 (2004), no. 1, 1--22.

    Acta Math. Sin. (Engl. Ser.) 20 (2004), no. 1, 25--46.

    Constr. Approx. 20 (2004), no. 4, 647--668.

    Comm. Pure Appl. Math. 57 (2004), no. 11, 1458--1493.

    Comm. Appl. Nonlinear Anal. 12 (2005), no. 1, 1-24.

    Sci. China Ser. A 48 (2005), no. 11, 1505-1516.

    Amer. J. Math. 128 (2006), no. 2, 453-480.

    Forum Math. 18 (2006), no. 6, 907--921

    Journal of Functional Analysis 249 (2007) 393-424.

    Revista Mathematica Iberoamericana, 23 (2007), 191-200.

    Acta Math. Sin. (Engl. Ser.) 23 (2007), no. 4, 735-744.

    Advances in Mathematics, 217(2008), 1838-1868.

    Communication in Partial Differential Equations, 33: 1788-1817, 2008.

     arXiv:0801.1701

    Discrete Contin. Dyn. Syst. 25 (2009), no. 3, 963-979.

     Adv. Math. 220 (2009), no. 4, 1135-1170.

     Ann. Sc. Norm. Super. Pisa Cl. Sci. (5) 9 (2010), no. 4, 645-685.

     Trends in partial differential equations, 99-191, Adv. Lect. Math. (ALM), 10, Int. Press, Somerville, MA, 2011

    Nonlinear Anal. 70 (2009), no. 8, 2992-3001.

    J. Geom. Anal. 20 (2010), no. 3, 670-689.

    J. Funct. Anal. 258 (2010), no. 8, 2817-2833.

    Forum Math. 23 (2011), 729-756.

     Calc. Var. PDEs (2011) 42:563-577

    Memoires of AMS 214, 2011

     Math. Res. Lett. 18 (2011), no. 2, 337-352.

     Journal of Differential Equations 252 (2012), no. 2, 1589-1602.

     Journal of Geometric Analysis 22 (2012), no. 3, 666-684.

     Pacific Journal of Mathematics 253 (2011), no. 2, 455-473.

     Nonlinear Analysis-Theory, Methods and Applications, 75 (2012), no. 6, 3036-3048. .

     Journal of Functional Analysis, 262 (2012), 1132-1165.

     Nonlinear Analysis-Theory, Methods and Applications, 75 (2012), no. 12, 4483-4495.

     arXiv:1112.6431v1 (to appear in Methods and Applications of Analysis (2013))

     arXiv:1012.5489v1 (to appear in Advanced Nonlinear Studies (2013))

     arXiv:1112.6397v11, J. Differential Equations 253 (2012), no. 4, 1143-1171.

     Advances in Mathematics 231 (2012), no. 6, 3259-3287.

     Ann. Inst. H. Poincare Anal. Non Lineaire 29 (2012), no. 5, 653-665.

     Potential Anal. 37 (2012), no. 1, 31-56.

     Discrete Contin. Dyn. Syst. 32 (2012), no. 6, 2187-2205.

     Nonlinear Anal. 75 (2012), no. 11, 4296-4314.

     Trans. Amer. Math. Soc. 365 (2013), no. 1, 319-360.

     Forum Mathematicum (2013)

     Journal of Geometric Analysis (2013) (published online in 2012)

     Journal of Functional Analysis 264 (2013), 1238-1268.

     Anal. PDE 7 (2014), no. 7, 1465-1534. arXiv:1208.2484

     Rev. Mat. Iberoam. 29 (2013), no. 4, 1127-1157.

     Acta Math. Sin. (Engl. Ser.) 29 (2013), no. 1, 39-52.

     Adv. Nonlinear Stud. 13 (2013), no. 4, 1035-1052.

     Adv. Nonlinear Stud. 13 (2013), no. 4, 979-1001.

     Adv. Nonlinear Stud. 13 (2013), no. 2, 289-308.

     Nonlinear Anal. 95 (2014), 77-92.

     Nonlinear Anal. 101 (2014), 98-112.

     Nonlinear Anal. 107 (2014), 92-117.

     J. Funct. Anal. 267 (2014), no. 8, 2962-2994.

     Adv. Nonlinear Stud. 14 (2014), no. 4, 1055-1082.

     J. Differential Equations 258 (2015), no. 6, 2054-2079.

     Nonlinear Anal. 121 (2015), 241-261.

     Anal. PDE 8 (2015), no. 3, 675-712.

     Acta Math. Sin. (Engl. Ser.) 31 (2015), no. 7, 1067-1085.

     Adv. Nonlinear Stud. 15 (2015), no. 4, 763-788.

     Bull. Soc. math. France 143 (3), 2015, p. 567-597.

     Discrete Contin. Dyn. Syst. 36 (2016), no. 2, 577-600.

     Forum Math. 28 (2016), no. 1, 25-42.

     J. Fourier Anal. Appl. 22 (2016), no. 1, 159-186.

     to appear in Indiana University Mathematics Journal.

     Calc. Var. Partial Differential Equations 55 (2016), no. 4, Art. 88, 26 pp.

     arxiv.org, Revista Matematica Iberoamericana, 33 (2017), no. 4, 1219-1246.

     J. Geom. Anal. 26 (2016), no. 2, 837-857.

     Adv. Nonlinear Stud. 17 (2017), no. 3, 457-480.

     Forum Mathematicum

     Calc. Var. Partial Differential Equations 55 (2016), no. 6, Art. 153, 16 pp.

     Transactions of American Mathematical Society, 368 (2016), no. 10, 7119-7152.

    Adv. Math. 319 (2017), 567-598.

     J. Geom. Anal. 27 (2017), no. 1, 300-334.

     Indiana University Mathematics Journal, 66 (2017), no. 3, 877-900.