1. A multiphase eigenvalue problem on a stratified Lie group,
    Rend. Circ. Mat. Palermo Ser. 2, to appear. (with D. Choudhuri and L.S. Tavares)
  2. On the fractional Kirchhoff-Schrödinger-Poisson type systems with magnetic field and supercritical growth,
    Bound. Value Probl., to appear. (with K. Saoudi and E. Alzahrani)
  3. Generalized noncooperative Schrödinger-Kirchhoff-type systems in ℝN,
    Math. Nachr., published online. (with N. Chems Eddine)
  4. On the concentration-compactness principle for anisotropic variable exponent Sobolev spaces and its applications,
    Fract. Calc. Appl. Anal. 27:2 (2024), 725-756. (with N. Chems Eddine and M.A. Ragusa)
  5. Existence and multiplicity of solutions for critical Kirchhoff-Choquard equations involving the fractional p-Laplacian on the Heisenberg group,
    J. Nonlin. Variat. Anal. 8:1 (2024), 143-166. (with S. Bai and Y. Song)
  6. Pairs of fixed points for a class of operators on Hilbert spaces,
    Fixed Point Theory 25:2 (2024), 10 pp. (with A. Mokhtari and K. Saoudi)
  7. Nodal solutions for Neumann systems with gradient dependence,
    Bound. Value Probl. 2024 (2024), art. 4, 19 pp. (with K. Saoudi and E. Alzahrani)
  8. On the p-fractional Schrödinger-Kirchhoff equations with electromagnetic fields and the Hardy-Littlewood-Sobolev nonlinearity,
    Demonstr. Math. 57:1 (2024), art. 20230124, 18 pp. (with M. Zhao and Y. Song)
  9. Fractional Sobolev Spaces with Kernel Function on Compact Riemannian Manifolds,
    Mediterr. J. Math. 21:1 (2024), art. 6, 24 pp. (with A. Aberqi and A. Ouaziz)
  10. High and low perturbations of the critical Choquard equation on the Heisenberg group,
    Adv. Differential Equations 29:3-4 (2024), 153-178. (with S. Bai and Y. Song)
  11. Singular p-biharmonic problems involving the Hardy-Sobolev exponent,
    Electron. J. Differential Equations 2023 (2023), art. 61, 12 pp. (with A. Drissi and A. Ghanmi)
  12. On p-Laplacian Kirchhoff-Schrödinger-Poisson type systems with critical growth on the Heisenberg group,  
    Electron. Res. Arch. 31:9 (2023), 5749-5765. (with S. Bai and Y. Song)
  13. Normalized ground state solutions of fractional Sobolev critical NLSE with an extra mass supercritical nonlinearity,
    Algebra i Analiz 35:5 (2023), 89-98. (with J. Zuo and Y. Zhong)
  14. On degenerate fractional Schrödinger–Kirchhoff–Poisson equations with upper critical nonlinearity and electromagnetic fields,
    Complex Var. Elliptic Equ. 68:7 (2023), 1219-1238. (with Z. Zhang)
  15. Multiplicity results for fractional Schrödinger-Kirchhoff systems involving critical nonlinearities,
    Adv. Nonlinear Anal. 12:1 (2023), art. 20220318, 16 pp. (with S. Fareh, K. Akrout and A. Ghanmi)
  16. An elliptic problem of the Prandtl-Batchelor type with a singularity,
    Bound. Value Probl. 2023 (2023), art. 63, 18 pp. (with D. Choudhuri)
  17. On critical exponential Kirchhoff systems on the Heisenberg group,
    Rend. Circ. Mat. Palermo (2) 72:4 (2023), 2565-2577.  (with S. Li and S. Liang)
  18. Anisotropic (p,q)-equations with convex and negative concave terms,
    Recent Advances in Mathematical Analysis, Trends in Mathematics, Birkhäuser, Cham, 2023, pp. 425-441. (with N.S. Papageorgiou and C. Vetro)
  19. A double phase problem with a nonlinear boundary condition,
    Bull. Malays. Math. Sci. Soc. 46:4 (2023), art. 121, 17 pp. (with D. Choudhuri and K.A. Saoudi)
  20. On nonlocal Dirichlet problems with oscillating term,
    Discrete Contin. Dyn. Syst. Ser. S 16:6 (2023), 1401-1413. (with B. Gabrovšek and G. Molica Bisci)
  21. Existence and multiplicity of solutions involving the p(x)-Laplacian equations: On the effect of two nonlocal terms,
    Discrete Contin. Dyn. Syst. Ser. S 16:6 (2023), 1452-1467. (with M.K. Hamdani, L. Mbarki, M. Allaoui and O. Darhouche)
  22. On elliptic problems with Choquard term and singular nonlinearity,
    Asympt. Anal. 133:1-2 (2023), 255-266. (with D. Choudhuri and K. Saoudi)
  23. Elliptic problems on weighted locally finite graphs,
    Topol. Methods Nonlinear Anal. 61:1 (2023), 501–526. (with G. Molica Bisci and M. Imbesi)
  24. Global multiplicity for parametric anisotropic Neumann (p,q)-equations,
    Topol. Methods Nonlinear Anal. 61:1 (2023), 393-422. (with N.S. Papageorgiou and V.D. Rădulescu)
  25. Constant sign and nodal solutions for parametric anisotropic (p,2)-equations,
    Appl. Anal. 102:4 (2023), 1059-1076. (with N.S. Papageorgiou and C. Vetro)
  26. The Neumann problem for a class of generalized Kirchhoff-type potential systems,
    Bound. Value. Probl. 2023 (2023), art. 19, 33 pp. (with N. Chems Eddine)
  27. On a fourth-order Neumann problem in variable exponent spaces,
    Filomat 37:7 (2023),  2027-2039. (with T. An, S. Taarabti and J. Zuo)
  28. On the Schrödinger-Poisson system with (p,q)-Laplacian,
    Appl. Math. Lett. 141 (2023), art. 108595, 6 pp. (with Y. Song and Y. Huo)
  29. Nonlocal p-Kirchhoff equations with singular and critical nonlinearity terms,
    Asympt. Anal. 131:1 (2023), 125-143. (with A. Ghanmi, M. Kratou and K. Saoudi)
    Zbl 07661141
  30. The Nehari manifold approach for singular equations involving the p(x)-Laplace operator,
    Complex Var. Elliptic Equ. 68:1 (2023), 135-149. (with K. Saoudi)
    MR 4519268, Zbl 07630892.
  31. On semilinear equations with free boundary conditions on stratified Lie groups,
    J. Math. Anal. Appl. 518:1 (2023), art. 126677, 17 pp. (with D. Choudhuri)
    MR 4484352, Zbl 1498.35257.
  32. Mixed order elliptic problems driven by a singularity, a Choquard type term and a discontinuous power nonlinearity with critical variable exponents,
    Fract. Calc. Appl. Anal. 25:6 (2022), 2532-2553. (with D. Choudhuri and J. Zuo)
    MR 4519076, Zbl 1503.35281.
  33. On the fourth-order Leray-Lions problem with indefinite weight and nonstandard growth conditions,
    Bull. Math. Sci. 12:2 (2022), art. 2150008, 13 pp. (with K. Kefi, N. Irzi and M.M. Al-Shomrani)
    MR 4460397, Zbl 1503.35079.
  34. Qualitative properties of space-dependent SIR models with constant delay and their numerical solutions,
    Comput. Methods Appl. Math. 22:3 (2022), 713-728. (with B.M. Takács, I. Faragó and R. Horváth)
    MR 4445531Zbl 1492.92116.
  35. Degenerate fractional Kirchhoff-type system with magnetic fields and upper critical growth,
    Mediterr. J. Math. 19:4 (2022), art. 170, 23 pp. (with M. Sun and S. Shi)
    MR 4444223, Zbl 1492.35128.
  36. Anisotropic singular Neumann equations with unbalanced growth,
    Potential Anal. 57:1 (2022), 55-82. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4421922Zbl 1492.35130.
  37. On critical variable-order Kirchhoff type problems with variable singular exponent,
    J. Math. Anal. Appl. 514:1 (2022), art. 126264, 18 pp. (with J. Zuo and D. Choudhuri)
    MR 4413314, Zbl 1491.35226.
  38. On nonlinear biharmonic problems on the Heisenberg group,
    Symmetry 14:4 (2022), art. 705, 10 pp. (with T. An, S. Taarabti and J. Zuo)
  39. On a new fractional Sobolev space with variable exponent on complete manifolds,
    Bound. Value Probl. 2022 (2022), art. 7, 20 pp. (with A. Aberqi, O. Benslimane and A. Ouaziz)
    MR 4382699, Zbl 1497.35263.
  40. On a class of Kirchhoff problems via local mountain pass,
    Asymptot. Anal. 126:1-2 (2022), 1-43. (with V. Ambrosio)
    MR 4374603, Zbl 07473125.
  41. The behavior of solutions of a parametric weighted (p, q)-Laplacian equation,
    AIMS Math. 7:1 (2022), 499-517. (with C. Vetro)
    MR 4332388, Zbl 1485.35159.
  42. Mittag-Leffler stability and attractiveness of pseudo almost periodic solutions for delayed cellular neural networks,
    J. Funct. Spaces 2022 (2022), art. 3186963, 15 pp. (with Z. Eidinejad and R. Saadati)
    MR 4499196
  43. Elliptic problem driven by different types of nonlinearities,
    Bound. Value Probl. 2021 (2021), art. 85, 19 pp. (with D. Choudhuri)
    MR 4328486, Zbl 1486.35418.
  44. Nonvariational and singular double phase problems for the Baouendi-Grushin operator,
    J. Differential Equations 303 (2021), 645-666. (with A. Bahrouni and V.D. Rădulescu)
    MR 4319354, Zbl 1476.35110.
  45. On weak solutions for fourth-order problems involving the Leray-Lions type operators,
    Math. Meth. Appl. Sci. 44:17 (2021), 13060-13068. (with K. Kefi and K. Saoudi)
    MR 4342048Zbl 1480.35150.
  46. Existence results for integro-differential equations with reflection,
    Numer. Funct. Anal. Optim. 42:8 (2021), 919-934. (with M. Miraoui)
    MR 4284921, Zbl 1473.45012.
  47. Nodal solutions for double phase Kirchhoff problems with vanishing potentials,
    Asympt. Anal. 124:3-4 (2021), 371-396. (with T. Isernia)
    MR 4303024, Zbl 07446497.
  48. Anisotropic (p,q)-equations with gradient dependent reaction,
    Nonlinearity 34:8 (2021), 5319-5343. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4281475, Zbl 1471.35169.
  49. Nodal solutions of fourth-order Kirchhoff equations with critical growth in RN,
    Electron. J. Differential Equations 2021 (2021), art. 19, 20 pp. (with H. Pu, S. Li and S. Liang)
    MR 4246700,  Zbl 1473.35183.
  50. Positive solutions for singular double phase problems,
    J. Math. Anal. Appl. 501:1 (2021), art. 123896, 13 pp. (with N.S. Papageorgiou and C. Vetro)
    MR4258784Zbl 1467.35025.
  51. New class of sixth-order nonhomogeneous p(x)-Kirchhoff problems with sign-changing weight functions,
    Adv. Nonlinear Anal. 10:1 (2021), 1117-1131. (with M.K. Hamdani and N.T. Chung)
    MR 4235804, Zbl 1472.35168.
  52. Multiplicity and concentration results for a (p,q)-Laplacian problem in RN,
    Z. Angew. Math. Phys. 72 (2021), art. 33, 33 pp. (with V. Ambrosio)
    MR 4201742, Zbl 1467.35184.
  53. Robin double-phase problems with singular and superlinear terms,
    Nonlinear Anal. Real World Appl. 58 (2021), art. 103217, 20 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4158774, Zbl 1455.35125.
  54. Positive solutions for the Robin p-Laplacian plus an indefinite potential,
    Pure Appl. Funct. Anal. 5:5 (2020), 1217-1236. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4167451, Zbl 1465.35157.
  55. Multiple solutions of double phase variational problems with variable exponent,
    Adv. Calc. Var. 13:4 (2020), 385–401. (with X. Shi, V.D. Rădulescu and Q. Zhang)
    MR 4156782, Zbl 1454.49006.
  56. Multiplicity of solutions for a class of fractional p(x,.)-Kirchhoff-type problems without the Ambrosetti-Rabinowitz condition,
    Bound. Values Probl. 2020 (2020), art. 150, 16 pp. (with M.K. Hamdani, J. Zuo and N.T. Chung)
    MR 4152831, Zbl 1487.35404.
  57. Anisotropic equations with indefinite potential and competing nonlinearities,
    Nonlinear Anal. 201 (2020), art. 111861, 24 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 147135, Zbl 1448.35129.
  58. On nonlinear Schrödinger equations on the hyperbolic space,
    J. Math. Anal. Appl. 492:2 (2020), art. 124516, 12 pp. (with M. Cencelj, I. Faragó and R. Horváth)
    MR 4144286, Zbl 1448.35125.
  59. Existence results for some problems on Riemannian manifolds,
    Comm. Anal. Geom. 28:3 (2020), 677-706. (with G. Molica Bisci and L. Vilasi)
    MR 4124140, Zbl 1451.53052.
  60. Superlinear perturbations of the eigenvalue problem for the Robin Laplacian plus an indefinite and unbounded potential,
    Results Math. 75:3 (2020), art. 116, 22 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4121198, Zbl 1444.35039.
  61. Low perturbations for a class of nonuniformly elliptic problems,
    Mediterr. J. Math. 17:4 (2020), art. 111, 9 pp. (with A. Bahrouni)
    MR 4115660, Zbl 1442.35116.
  62. Existence and multiplicity of solutions for double-phase Robin problems,
    Bull. London Math. Soc. 52:3 (2020), 546-560. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4171387, Zbl 1447.35131.
  63. Nonlinear, nonhomogeneous Robin problems with indefinite potential and general reaction,
    Appl. Math. Optim. 81:3 (2020), 823–857. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4104522, Zbl 1441.35109.
  64. Relaxation methods for optimal control problems,
    Bull. Math. Sci. 10:1 (2020), art. 2050004, 24 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4095948, Zbl 1467.49012.
  65. Combined effects for non-autonomous singular biharmonic problems,
    Discrete Contin. Dyn. Syst. Ser. S 13:7 (2020), 2057-2068. (with V.D. Rădulescu)
    MR 4097633, Zbl 1441.35125.
  66. Gradient-type systems on unbounded domains of the Heisenberg group,
    J. Geom. Anal. 30:2 (2020), 1724–1754. (with G. Molica Bisci)
    MR 4081329, Zbl 1442.35491.
  67. Nonlinear nonhomogeneous Robin problems with almost critical and partially concave reaction,
    J. Geom. Anal. 30:2 (2020), 1774-1803. (with N.S. Papageorgiou and C. Vetro)
    MR 4081331, Zbl 1437.35222.
  68. Positive solutions for nonlinear Neumann problems with singular terms and convection,
    J. Math. Pures Appl. 136 (2020), 1-21. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4076972, Zbl 1437.35016.
  69. Dynamics and oscillations of models for differential equations with delays,
    Bound. Value Probl. 2020 (2020), art. 54, 17 pp. (with M. Miraoui)
    MR 4073995, Zbl 1495.34102.
  70. Fractional magnetic Schrödinger-Kirchhoff problems with convolution and critical nonlinearities,
    Math. Methods Appl. Sci. 43:5 (2020), 2473-2490. (with S. Liang and B. Zhang)
    MR 4078663, Zbl 1448.35128.
  71. Existence of solutions for systems arising in electromagnetism,
    J. Math. Anal. Appl. 486:2 (2020), art. 123898, 18 pp. (with M.K. Hamdani)
    MR 4061817, Zbl 1444.78010.
  72. Ground state and nodal solutions for a class of double phase problems,
    Z. Angew. Math. Phys. 71:1 (2020), art. 15, 15 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4045487, Zbl 437.35358.
  73. Nonlinear nonhomogeneous singular problems,
    Calc. Var. Partial Differential Equations 59:1 (2020), art. 9, 31 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4037470, Zbl 1453.35069.
  74. Existence and multiplicity results for a new p(x)-Kirchhoff problem,
    Nonlinear Anal. 190 (2020), art. 111598, 15 pp. (with M.K. Hamdani, A. Harrabi and F. Mtiri)
    MR 3994968, Zbl 1433.35093.
  75. Some hemivariational inequalities in the Euclidean space,
    Adv. Nonlinear Anal. 9:1 (2020), 958-977. (with G. Molica Bisci)
    MR 3993419, Zbl 1453.35069.
  76. Nonlinear singular problems with indefinite potential term,
    Anal. Math. Phys. 9:4 (2019), 2237-2262. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4038132, Zbl 1435.35176.
  77. Parametric nonlinear resonant Robin problems,
    Math. Nachr. 292:11 (2019), 2456-2480. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4033018, Zbl 1439.35151.
  78. Positive solutions for a class of singular Dirichlet problems,
    J. Differential Equations 267:11 (2019), 6539-6554. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4001063, Zbl 1429.35065.
  79. Nonlinear nonhomogeneous boundary value problems with competition phenomena,
    Appl. Math. Optim. 80:1 (2019), 251-298. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3978517, Zbl 1426.35107.
  80. Eigenvalue problems with unbalanced growth: nonlinear patterns and standing wave solutions,
    Nonlinear Anal. 188 (2019), 377-388. (with I. Faragó)
    MR 3969236, Zbl 1435.35141.
  81. Existence and multiplicity of solutions for fractional Schrödinger-Kirchhoff equations with Trudinger-Moser nonlinearity,
    Nonlinear Anal. 186 (2019), 74-98. (with M. Xiang and B. Zhang)
    MR 3987388,  Zbl 1418.35372.
  82. Double phase transonic flow problems with variable coefficients: Nonlinear patterns and stationary waves,
    Nonlinearity 32:7 (2019), 2481-2495. (with A. Bahrouni in V.D. Rădulescu)
    MR 3957220Zbl 1419.35056.
  83. Positive solutions for nonlinear parametric singular Dirichlet problems,
    Bull. Math. Sci. 9:3 (2019), art. 1950011, 21 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 4045383Zbl 1471.35168.
  84. Periodic solutions for implicit evolution inclusions,
    Evol. Equ. Control Theory 8:3 (2019), 621-631. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3985967, Zbl 1476.34103
  85. Double-phase problems and a discontinuity property of the spectrum,
    Proc. Amer. Math. Soc. 147:7 (2019), 2899-2910. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3973893, Zbl 1423.35289.
  86. Nonlinear Dirichlet problems with unilateral growth on the reaction,
    Forum Math. 31:2 (2019), 319-340. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3918443, Zbl 1429.35064.
  87. Infinitely many symmetric solutions for anisotropic problems driven by nonhomogeneous operators,
    Discrete Contin. Dyn. Syst. Ser. S 12:2 (2019), 151-170.
    MR 3842329, Zbl 1422.35055.
  88. Asymmetric Robin problems with indefinite potential and concave terms,
    Adv. Nonlinear Stud. 19:1 (2019), 69-87. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3912422, Zbl 1423.35122.
  89. Perturbations of nonlinear eigenvalue problems,
    Commun. Pure Appl. Anal. 18:3 (2019), 1403-1431. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3917713, Zbl 1417.35021.
  90. Nonlinear equations involving the square root of the Laplacian,
    Discrete Contin. Dyn. Syst. Ser. S 12:2 (2019), 401-411. (with V. Ambrosio and G. Molica Bisci)
    MR 3842314, Zbl 1411.49004.
  91. Ambrosetti-Prodi problem with degenerate potential and Neumann boundary condition,
    Electron. J. Differential Equations 2018 (2018), art. 41, 10 pp.
    MR 3781156, Zbl 1387.35299.
  92. (p,2)-equations asymmetric at both zero and infinity,
    Adv. Nonlinear Anal. 7:3 (2018), 327-351. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3836120, Zbl 1401.35085.
  93. Double phase problems with variable growth,
    Nonlinear Anal. 177 (2018), Part A, 270-287. (with M. Cencelj and V.D. Rădulescu)
    MR 3865198, Zbl 1421.35235.
  94. Nonlinear elliptic inclusions with unilateral constraint and dependence on the gradient,
    Appl. Math. Optim. 78:1 (2018), 1-23. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3826710, Zbl 1394.35183.
  95. Positive solutions for nonvariational Robin problems,
    Asymptot. Anal. 108:4 (2018), 243-255. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3826941, Zbl 1404.35213.
  96. Positive solutions for nonlinear nonhomogeneous parametric Robin problems,
    Forum Math. 30:3 (2018), 553-580. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3794899, Zbl 1394.35155.
  97. Periodic solutions for a class of evolution inclusions,
    Comput. Math. Appl. 75:8 (2018), 3047-3065. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3787505, Zbl 1421.34042.
  98. A weighted anisotropic variant of the Caffarelli-Kohn-Nirenberg inequality and applications,
    Nonlinearity 31:4 (2018), 1516-1534. (with A. Bahrouni and V.D. Rădulescu)
    MR 3816644, Zbl 1394.35178.
  99. Global invertibility of mappings between Banach spaces and applications to nonlinear equations,
    Electron. J. Differential Equations Conf. 25 (2018), 87-102. (with M. Galewski)
    MR 3883631, Zbl 1447.58015.
  100. Nodal solutions for nonlinear nonhomogeneous Robin problems,
    Rend. Lincei Mat. Appl. 29:4 (2018), 721-738. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3896264, Zbl 1409.35068.
  101. Double-phase problems with reaction of arbitrary growth,
    Z. Angew. Math. Phys. 69:4 (2018), art. 108, 21 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3836199, Zbl 1404.35214.
  102. Resonant Robin problems driven by the p-Laplacian plus an indefinite potential,
    Ann. Acad. Sci. Fenn. Math. 43:1 (2018), 483-508. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3753189, Zbl 1435.35187.
  103. On the fractional Schrödinger-Kirchhoff equations with electromagnetic fields and critical nonlinearity,
    Comput. Math. Appl. 75:5 (2018), 1778-1794. (with S. Liang and B. Zhang)
    MR 3766550, Zbl 1409.78002.
  104. Nonlinear second order evolution inclusions with noncoercive viscosity term,
    J. Differential Equations 264:7 (2018), 4749-4763. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3758536, Zbl 1391.35285.
  105. Existence and multiplicity of solutions for resonant (p,2)-equations,
    Adv. Nonlinear Stud. 18:1 (2018), 105-129. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3748157, Zbl 1386.35125.
  106. Nonhomogeneous Dirichlet problems without the Ambrosetti-Rabinowitz condition,
    Topol. Methods Nonlinear Anal. 51:1 (2018), 55-77. (with G. Li, V.D. Rădulescu and Q. Zhang)
    MR 3784736, Zbl 1396.35010.
  107. Positive solutions for superdiffusive mixed problems,
    Appl. Math. Lett. 77 (2018), 87-93. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3725234, Zbl 1393.35047.
  108. Existence and nonexistence of solutions for p(x)-curl systems arising in electromagnetism,
    Complex Var. Elliptic Equ. 63:2 (2018), 292-301. (with A. Bahrouni)
    MR 3764762, Zbl 1423.35124.
  109. Nodal solutions for the Robin p-Laplacian plus an indefinite potential and a general reaction term,
    Commun. Pure Appl. Anal. 17:1 (2018), 231-241. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3808979, Zbl 1376.35025.
  110. Nonhomogeneous hemivariational inequalities with indefinite potential and Robin boundary condition,
    J. Optim. Theory Appl. 175:2 (2017), 293-323. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3717332, Zbl 1379.35123.
  111. Pairs of positive solutions for resonant singular equations with the p-Laplacian,
    Electron. J. Differential Equations 2017 (2017), art. 249, 13 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3711202, Zbl 1372.35089.
  112. Multiple solutions for resonant problems of the Robin p-Laplacian plus an indefinite potential,
    Calc. Var. Partial Differential Equations 56:3 (2017), art. 63, 23 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3640026, Zbl 1376.35053.
  113. Robin problems with a general potential and a superlinear reaction,
    J. Differential Equations 263:6 (2017), 3244-3290. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3659362, Zbl 1384.35030.
  114. Nonlinear elliptic equations on Carnot groups,
    Rev. R. Acad. Cienc. Exactas Fis. Nat. Ser. A Math. 111:3 (2017), 707-718. (with M. Ferrara and G. Molica Bisci)
    MR 3661144, Zbl 1373.35096.
  115. Multiple solutions of nonlinear equations involving the square root of the Laplacian,
    Appl. Anal. 96:9 (2017), 1483-1496. (with G. Molica Bisci and L. Vilasi)
    MR 3647253, Zbl 1373.49006.
  116. Sensitivity analysis for optimal control problems governed by nonlinear evolution inclusions,
    Adv. Nonlinear Anal. 6:2 (2017), 199-235. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3641633, Zbl 1365.49023.
  117. Nonlinear problems on the Sierpiński gasket,
    J. Math. Anal. Appl. 452:2 (2017), 883-895. (with G. Molica Bisci and R. Servadei)
    MR 3632680, Zbl 1366.49007.
  118. Robin problems with indefinite linear part and competition phenomena,
    Commun. Pure Appl. Anal. 16:4 (2017), 1293-1314. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3637914, Zbl 1370.35129.
  119. On a class of parametric (p,2)-equations,
    Appl. Math. Optim. 75:2 (2017), 193-228. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3621840, Zbl 1376.35052.
  120. Positive solutions for perturbations of the Robin eigenvalue problem plus an indefinite potential,
    Discrete Contin. Dyn. Syst. 37:5 (2017), 2589-2618. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3619074, Zbl 1365.35017.
  121. Resonant semilinear Robin problems with a general potential,
    Electron. J. Qual. Theory Differ. Equ. (2017), art. 70, 15 pp. (with N.S. Papageorgiou and V.D. Rădulescu)
    MR 3718639, Zbl 1413.35155.
  122. Yamabe-type equations on Carnot groups,
    Potential Anal. 46:2 (2017), 369-383. (with G. Molica Bisci)
    MR 3605171, Zbl 1377.35251.
  123. Nontrivial solutions of superlinear nonlocal problems,
    Forum Math. 28:6 (2016), 1095-1110. (with G. Molica Bisci and R. Servadei)
    MR 3567859, Zbl 1351.49015.
  124. On a p(·)-biharmonic problem with no-flux boundary condition,
    Comput. Math. Appl. 72:9 (2016), 2505-2515. (with M. Boureanu and V. Rădulescu)
    MR 3564426,  Zbl 1458.35163.
  125. Nonlocal Kirchhoff superlinear equations with indefinite nonlinearity and lack of compactness,
    Int. J. Nonlinear Sci. Numer. Simul. 17:6 (2016), 325-332. (with L. Li and V. Rădulescu)
    MR 3624430, Zbl 1401.35078.
  126. Quantitative Rellich Inequalities on Finsler-Hadamard Manifolds,
    Commun. Contemp. Math. 18:6 (2016), art. 1650020, 17 pp. (with A. Kristály)
    MR 3547105, Zbl 1361.53037.
  127. Existence and symmetry of solutions for critical fractional Schrödinger equations with bounded potentials,
    Nonlinear Anal. 142 (2016), 48-68. (with X. Zhang and B. Zhang)
    MR 3508057, Zbl 1338.35013.
  128. Existence results for nonlinear elliptic problems on fractal domains,
    Adv. Nonlinear Anal. 5:1 (2016), 75-84. (with M. Ferrara and G. Molica Bisci)
    MR 3456739, Zbl 1333.35017.
  129. Stationary waves of Schrödinger-type equations with variable exponent,
    Anal. Appl. 13:6 (2015), 645-661.
    MR 3376930, Zbl 1331.35139.
  130. Algebraic systems with Lipschitz perturbations,
    J. Elliptic Parabol. Equations 1:1 (2015), 189-199. (with G. Molica Bisci)
    MR 3403418 , Zbl 1381.39004.
  131. On doubly nonlocal fractional elliptic equations,
    Rend. Lincei Mat. Appl. 26:2 (2015), 161-176. (with G. Molica Bisci)
    MR 3341104, Zbl 1329.49018.
  132. Multiple perturbations of a singular eigenvalue problem,
    Nonlinear Anal. 119 (2015), 37-45. (with M. Cencelj and Ž. Virk)
    MR 3334172, Zbl 1328.35007.
  133. Higher nonlocal problems with bounded potential,
    J. Math. Anal. Appl. 420:1 (2014), 167-176. (with G. Molica Bisci)
    MR 3229817, Zbl 1294.35021.
  134. Existence of solutions for p-Laplacian discrete equations,
    Appl. Math. Comp. 242:1 (2014), 454-461. (with G. Molica Bisci)
    MR 3239674, Zbl 1334.39019.
  135. On sequences of solutions for discrete anisotropic equations,
    Expo. Math. 32:3 (2014), 284-295. (with G. Molica Bisci)
    MR 3253570, Zbl 06339867.
  136. Multiple solutions of p-biharmonic equations with Navier boundary conditions,
    Complex Var. Elliptic Equ. 59:2 (2014), 271-284. (with G. Molica Bisci)
    MR 3170759, Zbl 1287.35015.
  137. Multiple solutions for elliptic equations involving a general operator in divergence form,
    Ann. Acad. Sci. Fenn. Math. 39:1 (2014), 259-273. (with G. Molica Bisci)
    MR 3186816, Zbl 1296.35029.
  138. Existence and localization of solutions for nonlocal fractional equations,
    Asymptotic Anal. 90:3-4 (2014), 367-378. (with G. Molica Bisci)
    MR 3323892, Zbl 1379.35344.
  139. Nonlinear Neumann problems driven by a nonhomogeneous differential operator,
    Bull. Math. Soc. Sci. Math. Roumanie 57 (105):1 (2014), 13-25. (with G. Molica Bisci)
    MR 3204776, Zbl 1389.35011.
  140. Nonlinear algebraic systems with discontinuous terms,
    J. Math. Anal. Appl. 398:2 (2013), 846-856. (with G. Molica Bisci)
    MR 2990106, Zbl 1260.39006.
  141. Metric projections versus non-positive curvature,
    Differential Geom. Appl. 31:5 (2013), 602-610. (with A. Kristály)
    MR 3093491, Zbl 1319.53087.
  142. On some variational algebraic problems,
    Adv. Nonlinear Anal. 2:2 (2013), 127-146. (with G. Molica Bisci)
    MR 3055530, Zbl 1273.39003.
  143. Asymptotics for singular solutions of quasilinear elliptic equations with an absorption term,
    J. Math. Anal. Appl. 395:1 (2012), 78-85.
    MR 2943604, Zbl 1250.35109 .
  144. Combined effects in nonlinear problems arising in the study of anisotropic continuous media,
    Nonlinear Anal. 75:3 (2012), 1524-1530. (with V. Rădulescu)
    MR 2012j:35141, Zbl 1237.35043.
  145. On a PDE involving the Ap(.) -Laplace operator,
    Nonlinear Anal. 75:2 (2012), 975-981. (with M. Mihãilescu)
    MR 2012i:35110, Zbl 1269.35009.
  146. On the Schrödinger-Maxwell system involving sublinear terms,
    Nonlinear Anal. Real World Appl. 13:1 (2012), 213-223. (with A. Kristály)
    MR 2012i:35082, Zbl 1239.35048.
  147. Singular solutions of perturbed logistic-type equations,
    Appl. Math. Comp. 218:8 (2011), 4414-4422.
    MR 2862111, Zbl 1239.35161.
  148. A Nash type solution for hemivariational inequality systems,
    Nonlinear Anal. 74:16 (2011), 5585-5590. (with C. Varga)
    MR 2012f:47168, Zbl 1229.47103.
  149. Multiple solutions for a nonlinear and non-homogeneous problem in Orlicz-Sobolev spaces,
    Appl. Math. Comp. 217:14 (2011), 6624-6632. (with M. Mihãilescu)
    MR 2012a:35091, Zbl 1211.35117.
  150. Multiple solutions for a Neumann system involving subquadratic nonlinearities,
    Nonlinear Anal. 74:6 (2011), 2127-2132. (with A. Kristaly)
    MR 2012b:35069, Zbl 1210.35084.
  151. An eigenvalue problem involving a degenerate and singular elliptic operator,
    Bull. Belg. Math. Soc. Simon Stevin 18:5 (2011), 839-847. (with M. Mihãilescu)
    MR 2918650, Zbl 1230.35078.
  152. Existence results for variational-hemivariational problems with lack of convexity,
    Nonlinear Anal. 73:1 (2010), 99-104. (with V. Rădulescu)
    MR 2011i:35087 , Zbl 1192.35084.
  153. On a non-homogeneous eigenvalue problem involving a potential: an Orlicz-Sobolev space setting,
    J. Math. Pures Appl. 93:2 (2010), 132-148. (with M. Mihãilescu and V. Rădulescu)
    MR 2011d:35519 , Zbl 1186.35116.
  154. On the existence of three solutions for the Dirichlet problem on the Sierpinski gasket,
    Nonlinear Anal. 73:9 (2010), 2980-2990. (with B.E. Breckner and C. Varga)
    MR 2011m:35067, Zbl 1195.35121.
  155. Perturbation effects in nonlinear eigenvalue problems,
    Nonlinear Anal. 70:8 (2009), 3030-3038. (with V. Rădulescu)
    MR 2010i:35272 , Zbl 1167.35428.