Vicentiu Radulescu
Theses, Books and Papers




Theses

  1. Analyse de quelques problèmes aux limites elliptiques non linéaires, Habilitation à Diriger des Recherches, Université Pierre et Marie Curie (Paris VI), 25 février 2003 (zip).
  2. Analyse de quelques problèmes liés à l'équation de Ginzburg-Landau, Thèse de doctorat, Université Pierre et Marie Curie (Paris VI), 29 juin 1995 (zip).
  3. Methods of Operator Theory in Nonlinear Analysis, Ph. D. Dissertation, University of Craiova, 17 December 1993 (zip).

Books

  1. (P. Pucci, V. Radulescu, H. Weinberger, Editors) James Serrin. Selected Papers, 2 volumes, 1718 pages, Contemporary Mathematicians, Birkhäuser, Basel, 2014 (cover).
  2. (with J. Serrin and E. Mitidieri) Recent Trends in Nonlinear Partial Differential Equations I: Evolution Problems, Contemporary Mathematics, vol. 594, American Mathematical Society, 307 pp., 2013 (cover) (link to AMS).
  3. (with J. Serrin and E. Mitidieri) Recent Trends in Nonlinear Partial Differential Equations II: Stationary Problems, Contemporary Mathematics, vol. 595, American Mathematical Society, 340 pp., 2013 (cover) (link to AMS).
  4. (with M. Ghergu) Nonlinear PDEs: Mathematical Models in Biology, Chemistry and Population Genetics, Springer Monographs in Mathematics, Springer Verlag, Heidelberg, xviii+392 pp., 2012 (cover) (link to Amazon).
  5. (with A. Kristály and C. Varga) Variational Principles in Mathematical Physics, Geometry, and Economics: Qualitative Analysis of Nonlinear Equations and Unilateral Problems, Encyclopedia of Mathematics and its Applications, No. 136, Cambridge University Press, Cambridge, 384 pp., 2010 (link to Amazon).
  6. (with T.-L. Radulescu and T. Andreescu) Problems in Real Analysis: Advanced Calculus on the Real Axis, Springer, New York, xx+452 pp., 2009 (cover) (link to Amazon).
  7. (C. Niculescu, V. Radulescu, Editors) Mathematical Analysis and Applications: International Conference on Mathematical Analysis and Applications, Craiova (Romania), 23-24 September 2005, AIP Conference Proceedings Volume 835, American Institute of Physics, 176 pp., 2006 (see the Springer site).
  8. (with D. Motreanu) Variational and Nonvariational Methods in Nonlinear Analysis and Boundary Value Problems, Nonconvex Optimization and Its Applications, Vol. 67, Kluwer Academic Publishers, Dordrecht, 388 pp., 2003.
  9. Partial Differential Equations, Craiova University Press, 1999 (pdf).
  10. Treatment Methods of the Elliptic Problems, Craiova University Press, 1998 (pdf).

Editor of Special Issues

  1. Guest Editor of the Special Issue Degenerate and Singular Phenomena in Nonlinear Analysis, Nonlinear Analysis: Theory, Methods and Applications, 2014.
  2. Guest Editor (with Giuseppe Da Prato, Scuola Normale Superiore di Pisa) of the Special Issue Stochastic PDEs in Fluid Dynamics, Particle Physics and Statistical Mechanics, Journal of Mathematical Analysis and Applications, vol. 384, No. 1, 172 pp., 2011.
  3. Guest Editor (with Alexander Pankov, Robert P. Gilbert, and Stanislav Antontsev) of the Special Issue Sobolev Spaces with Variable Exponent and Related Elliptic Problems: Theory and Applications, Complex Variables and Elliptic Equations, vol. 56, No. 7-9, 308 pp., 2011.
  4. Guest Editor (with Claudianor Alves) of the Special Issue Degenerate and Singular Differential Operators with Applications to Boundary Value Problems, Boundary Value Problems, Volume 2010 (2010).
  5. Guest Editor of the Special Issue Degenerate and Singular Partial Differential Equations and Phenomena, Journal of Mathematical Analysis and Applications, vol. 352, No. 1, 572 pp., 2009 (foreword).
  6. Guest Editor (with Hervé Le Dret and Roderick Wong) of the Special Issue of Communications on Pure and Applied Analysis dedicated to the 70th anniversary of Professor Philippe G. Ciarlet, vol. 8, No. 1, 491 pp., 2009.
  7. Guest Editor (with M. Iosifescu) of the Proceedings of the Seventh Franco-Romanian Colloquium on Applied Mathematics, Held in Craiova, August 30 - September 3, 2004, Annals Univ. Craiova Ser. Mat. Inform., 32 (2005).
  8. Guest Editor (with M. Iosifescu and M. Sofonea) of the Proceedings of the Sixth Franco-Romanian Colloquium on Applied Mathematics, Held in Perpignan, September 2-6, 2002, Annals Univ. Craiova Ser. Mat. Inform., 30 (2003).

Translations

  1. H. Brezis, Analyse fonctionnelle: théorie, méthodes et applications, Masson, Paris, 1992. Translation from French. Romanian title: Analiză funcţională: teorie, metode şi aplicaţii, Editura Academiei Române, Bucureşti, 2002 (pdf).


Course Notes

  1. H. Brezis, Equations de Ginzburg-Landau et singularités, Notes de cours à l'Université Pierre et Marie Curie (Paris 6) rédigées par Vicentiu Radulescu, 2001 (pdf).


Publications in Refereed Journals

  1. Subspaces with the 1½-ball property in Banach spaces, Ann. Univ. Craiova XV (1987), 19-25.
  2. A generalization of a classical result concerning the duality of regular spaces, Revue Roum. Math. Pures Appl. 33 (1988), 785-788.
  3. A study of some special functions with Lie theory, Studii Cerc. Mat. 43 (1991), 67-71.
  4. Mountain pass type theorems for non-differentiable functions and applications, Proc. Japan Acad. 69A (1993), 193-198 (pdf).
  5. (with P. Mironescu) A bifurcation problem associated to a convex, asymptotically linear function, C.R. Acad. Sci. Paris, Ser. I 316 (1993), 667-672.
  6. On the Volterra theorem, Ann. Univ. Craiova XX (1993), 11-12.
  7. (with P. Mironescu) Periodic solutions of the equation -Δv=v(1-|v|²), Houston Math. Journal 20 (1994), 653-670 (pdf).
  8. Vector norms and duality properties in Riesz spaces, Annals New York Acad. 728 (1994), 330-338.
  9. (with C. Lefter) On the Ginzburg-Landau energy with weight, C.R. Acad. Sci. Paris, Ser. I 319 (1994), 843-848.
  10. Mountain pass type theorems for non-differentiable convex functions, Revue Roum. Math. Pures Appl. 39 (1994), 53-62.
  11. (with P. Mironescu) On a duality theorem (in Romanian), Studii Cerc. Mat. 46 (1994), 393-396.
  12. (with C. Lefter) On the Ginzburg-Landau energy with vanishing weight, Ann. Univ. Craiova XXI (1994), 3-11.
  13. A Lusternik-Schnirelman type theorem for locally Lipschitz functionals with applications to multivalued periodic problems, Proc. Japan Acad. 71A (1995), 164-167 (pdf).
  14. (with P. Mironescu) A multiplicity theorem for locally Lipschitz periodic functionals, J. Math. Anal. Appl. 195 (1995), 621-637 (pdf).
  15. (with C. Lefter) The renormalized energy associated to a harmonic map, PanAmerican Math. Journal 3 (1995), No. 2, 1-7.
  16. Locally Lipschitz functionals with the strong Palais-Smale property, Revue Roum. Math. Pures Appl. 40 (1995), 355-372.
  17. (with C. Lefter) Convergence properties for general solutions of the Ginzburg-Landau energy with weight, Revue Roum. Math. Pures Appl. 40 (1995), 633-639.
  18. (with C. Lefter) Minimization problems and renormalized energies related to the Ginzburg-Landau equation, Ann. Univ. Craiova XXII (1995), 1-13.
  19. Nontrivial solutions for a multivalued problem with strong resonance, Glasgow Math. Journal 38 (1996), 53-61 (pdf).
  20. (with C. Lefter) On the Ginzburg-Landau energy with weight, Ann. Inst. H. Poincaré, Analyse Non Linéaire 13 (1996), 171-184 (pdf).
  21. (with P. Mironescu) The study of a bifurcation problem associated to an asymptotically linear function, Nonlinear Analysis, T.M.A. 26 (1996) 857-875 (pdf).
  22. (with C. Niculescu) A Saddle Point type theorem and applications to the study of some problems with strong resonance at infinity, Ann. Acad. Sci. Fennicae 21 (1996), 117-131 (dvi) (pdf).
  23. (with C. Lefter) Minimization problems and corresponding renormalized energies, Diff. Integral Equations 9 (1996), 903-918 (pdf).
  24. (with C. Lefter) Asymptotics for the minimizers of the Ginzburg-Landau energy with vanishing weight, Advances Math. Sci. Appl. 7 (1997), 259-271.
  25. Sur l'équation multigroupe stationnaire de la diffusion des neutrons, C. R. Acad. Sci. Paris, Ser. I 323 (1996), 765-768.
  26. (with M. Bocea) Problèmes elliptiques avec non-linéarité discontinue et second membre L1, C. R. Acad. Sci. Paris, Ser. I 324 (1997), 169-172 (pdf).
  27. (with D. Motreanu) Existence theorems for some classes of boundary value problems involving the p-Laplacian, PanAmerican Math. Journal 7 (1997), No. 2, 53-66.
  28. (with P. D. Panagiotopoulos) Perturbations of hemivariational inequalities with constraints and applications, J. Global Optimiz. 12 (1998), 285-297 (pdf).
  29. Multivalued problems with strong resonance at infinity and L1 data, Revue Roumaine Math. Pures Appl. 43 (1998), 533-540.
  30. (with M. Bocea) An eigenvalue Dirichlet problem with weight and L1 data, Math. Nachr. 198 (1999), 5-17.
  31. (with M. Fundos and P. D. Panagiotopoulos) Existence theorems of Hartmann-Stampacchia type for hemivariational inequalities and applications, J. Global Optimiz. 15 (1999), 41-54 (pdf).
  32. (with F. Cîrstea) Existence and uniqueness of positive solutions to a semilinear elliptic problem in RN, J. Math. Anal. Appl. 229 (1999), 417-425 (pdf).
  33. (with M. Bocea and P. D. Panagiotopoulos) A perturbation result for a double eigenvalue hemivariational inequality and applications, J. Global Optimiz. 14} (1999), 137-156 (pdf).
  34. (with M. Degiovanni) Perturbations of nonsmooth symmetric nonlinear eigenvalue problems, C. R. Acad. Sci. Paris, Ser. I 329 (1999), 281-286 (pdf).
  35. Perturbations of hemivariational inequalities with constraints, Revue Roum. Math. Pures Appl. 44 (1999), 455-461.
  36. (with M. Bocea and P. D. Panagiotopoulos) Double eigenvalue hemivariational inequalities with non-locally Lipschitz energy functional, Commun. Appl. Nonlin. Anal. 6 (1999), No. 4, 17-29.
  37. Approximation of the ground state with solutions on bounded domains with corners, Revue Roum. Math. Pures Appl. 44 (1999), 845-855.
  38. (with C. Vladimirescu) KKM techniques for hemivariational inequalities and applications, Ann. Univ. Craiova XXVI (1999), 29-42.
  39. (with F. Cîrstea) Multiple solutions of degenerate perturbed elliptic problems involving a subcritical Sobolev exponent, Topol. Meth. Nonlin. Anal. 15 (2000), 281-298 (pdf) (ps).
  40. (with F. Gazzola) A nonsmooth critical point theory approach to some nonlinear elliptic equations in unbounded domains, Diff. Integral Equations 13 (2000), 47-60 (pdf) (ps).
  41. (with F. Cîrstea) Existence and nonexistence results for quasilinear problems with nonlinear boundary condition, J. Math. Anal. Appl. 244 (2000), 169-183 (pdf).
  42. (with M. Degiovanni and M. Marzocchi) Multiple solutions of hemivariational inequalities with area-type term, Calculus of Variations and PDE 10 (2000), 355-387 (pdf).
  43. (with F. Cîrstea) Multiplicity of solutions for a class of non-symmetric eigenvalue hemivariational inequalities, J. Global Optimiz. 17 (1/4) (2000), 43-54 (pdf).
  44. (with L. Ignat and C. Lefter) Minimization of the renormalized energy in the unit ball of R2, Nieuw Archief voor Wiskunde 5/1, No. 3 (2000), 150-152 (pdf).
  45. (with D. Motreanu) Existence results for inequality problems with lack of convexity, Numer. Funct. Anal. Optimiz. 21 (2000), No. 7-8, 869-884 (pdf) (ps).
  46. (with F. Cîrstea) On a double bifurcation quasilinear problem arising in the study of anisotropic continuous media, Proc. Edinburgh Math. Soc. 44 (2001), 527-548 (pdf) (ps).
  47. (with F. Cîrstea) Existence implies uniqueness for a class of singular anisotropic elliptic boundary value problems, Math. Methods Appl. Sciences 24 (2001), 771-779 (pdf).
  48. (with F. Cîrstea and D. Motreanu) Weak solutions of quasilinear problems with nonlinear boundary conditions, Nonlinear Analysis, T.M.A. 43 (2001), 623-636 (pdf).
  49. (with E. Montefusco) Nonlinear eigenvalue problems for quasilinear operators on unbounded domains, Nonlinear Diff. Equations Appl. (NoDEA) 8 (2001), 481-497 (pdf).
  50. (with F. Cîrstea) On a class of quasilinear eigenvalue problems on unbounded domains, Archiv der Mathematik (Basel) 77 (2001), 337-346 (pdf).
  51. (with F. Cîrstea) Blow-up solutions for semilinear elliptic problems, Nonlinear Analysis, T.M.A. 48 (2002), 541-554 (pdf).
  52. (with F. Cîrstea) Existence and uniqueness of blow-up solutions for a class of logistic equations, Commun. Contemp. Math. 4 (2002), 559-586 (pdf).
  53. (with D. Smets and M. Willem) Hardy-Sobolev inequalities with remainder terms, Topol. Meth. Nonlin. Anal. 20 (2002), 145-149 (ps).
  54. (with F. Cîrstea) Uniqueness of the blow-up boundary solution of logistic equations with absorption, C. R. Acad. Sci. Paris, Ser. I 335 (2002), 447-452 (pdf).
  55. (with F. Cîrstea) Entire solutions blowing-up at infinity for semilinear elliptic systems, J. Math. Pures Appliquées (Journal de Liouville) 81 (2002), 827-846 (pdf).
  56. (with M. Ghergu and C. Niculescu) Explosive solutions of elliptic equations with absorption and nonlinear gradient term, Proc. Indian Acad. (Math. Sciences) 112 (2002), 1-11 (pdf).
  57. (with M. Willem) Elliptic systems involving finite Radon measures, Differential and Integral Equations 16 (2003), 221-229 (dvi) (pdf).
  58. (with F. Cîrstea) Asymptotics for the blow-up boundary solution of the logistic equation with absorption, C. R. Acad. Sci. Paris, Ser. I 336 (2003), 231-236 (pdf).
  59. (with S. Dabuleanu) Multi-valued boundary value problems involving Leray-Lions operators and discontinuous nonlinearities, Rend. Circ. Mat. Palermo 52 (2003), 57-69 (pdf).
  60. (with M. Ghergu) Bifurcation and asymptotics for the Lane-Emden-Fowler equation, C. R. Acad. Sci. Paris, Ser. I 337 (2003), 259-264 (pdf).
  61. (with F. Cîrstea) Solutions with boundary blow-up for a class of nonlinear elliptic problems, Houston J. Math. 29 (2003), 821-829 (pdf).
  62. (with C. Ciulcu and D. Motreanu) Multiplicity of solutions for a class of non-symmetric eigenvalue hemivariational inequalities, Math. Methods Appl. Sciences 26 (2003), 801-814 (pdf).
  63. (with M. Mihailescu) Ground state solutions of nonlinear singular Schrödinger equations with lack of compactness, Math. Methods Appl. Sciences 26 (2003), 897-906 (pdf).
  64. (with M. Ghergu) Sublinear singular elliptic problems with two parameters, J. Differential Equations 195 (2003), 520-536 (pdf).
  65. (with D. Smets) Critical singular problems on infinite cones, Nonlinear Analysis, T.M.A. 54 (2003), 1153-1164 (pdf).
  66. (with I. Ionescu) Nonlinear eigenvalue problems arising in earthquake initiation, Adv. Differential Equations 8 (2003), 769-786 (dvi) (pdf).
  67. (with M. Ghergu) Existence and nonexistence of entire solutions to the logistic differential equation, Abstract and Applied Analysis 17 (2003), 995-1003 (pdf).
  68. (with M. Bocea and P. D. Panagiotopoulos) Inequality problems with nonlocally Lipschitz energy functional: existence results and applications to nonsmooth mechanics, Applicable Anal. 82 (2003), 561-574 (pdf).
  69. (with M. Ghergu) Explosive solutions of semilinear elliptic systems with gradient term, RACSAM Revista Real Academia de Ciencias (Serie A, Matemáticas) 97 (2003), 437-445 (pdf).
  70. (with M. Ghergu) Nonradial blow-up solutions of sublinear elliptic equations with gradient term, Communications on Pure and Applied Analysis 3 (2004), 465-474 (pdf).
  71. (with M. Ghergu) Bifurcation for a class of singular elliptic problems with quadratic convection term, C. R. Acad. Sci. Paris, Ser. I 338 (2004), 831-836 (pdf).
  72. (with F. Cîrstea) Extremal singular solutions for degenerate logistic-type equations in anisotropic media, C. R. Acad. Sci. Paris, Ser. I 339 (2004), 119-124 (pdf).
  73. Finitely many solutions for a class of boundary value problems with superlinear convex nonlinearity, Archiv der Mathematik (Basel) 84 (2005), 538-550 (pdf).
  74. (with M. Ghergu) On a class of sublinear singular elliptic problems with convection term, J. Math. Anal. Appl. 311 (2005), 635-646 (pdf).
  75. (with D. Motreanu) Eigenvalue problems for degenerate nonlinear elliptic equations in anisotropic media, Boundary Value Problems 2 (2005), 107-127 (pdf).
  76. (with F. Cîrstea and M. Ghergu) Combined effects of asymptotically linear and singular nonlinearities in bifurcation problems of Lane-Emden-Fowler type, J. Math. Pures Appliquées (Journal de Liouville) 84 (2005), 493-508 (pdf).
  77. (with M. Ghergu) Multiparameter bifurcation and asymptotics for the singular Lane-Emden-Fowler equation with a convection term, Proceedings of the Royal Society of Edinburgh: Section A (Mathematics) 135 (2005), 61-84 (pdf).
  78. (with F. Cîrstea) Nonlinear problems with boundary blow-up: a Karamata regular variation theory approach, Asymptotic Analysis 46 (2006), 275-298 (pdf).
  79. (with M. Ghergu) Singular elliptic problems with lack of compactness, Annali di Matematica Pura ed Applicata 185 (2006), 63-79 (pdf).
  80. (with M. Mihailescu) A multiplicity result for a nonlinear degenerate problem arising in the theory of electrorheological fluids, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 462 (2006), 2625-2641 (tex) (pdf); Correction, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 467 (2011), 3033-3034 (pdf).
  81. (with M. Mihailescu) Existence and multiplicity of solutions for quasilinear nonhomogeneous problems: an Orlicz-Sobolev space setting, J. Math. Anal. Appl. 330 (2007), 416-432 (tex) (pdf).
  82. (with F. Cîrstea) Boundary blow-up in nonlinear elliptic equations of Bieberbach-Rademacher type, Transactions Amer. Math. Soc. 359 (2007), 3275-3286 (pdf).
  83. (with M. Mihailescu) Nonhomogeneous boundary value problems in Orlicz-Sobolev spaces, C. R. Acad. Sci. Paris, Ser. I 344 (2007), 15-20 (pdf).
  84. (with M. Ghergu) On a class of singular Gierer-Meinhardt systems arising in morphogenesis, C. R. Acad. Sci. Paris, Ser. I 344 (2007), 163-168 (pdf).
  85. Singular phenomena in nonlinear elliptic problems. From blow-up boundary solutions to equations with singular nonlinearities, in Handbook of Differential Equations: Stationary Partial Differential Equations, Vol. 4 (Michel Chipot, Editor), North-Holland Elsevier Science, Amsterdam, 2007, pp. 483-591 (zip) (pdf).
  86. (with M. Mihailescu) On a nonhomogeneous quasilinear eigenvalue problem in Sobolev spaces with variable exponent, Proceedings Amer. Math. Soc. 135 (2007), 2929-2937 (pdf).
  87. (with C. Vallée) An infinite dimensional version of the Schur convexity property and applications, Analysis and Applications 5 (2007), 123-136 (tex) (pdf).
  88. (with M. Ghergu) Ground state solutions for the singular Lane-Emden-Fowler equation with sublinear convection term, J. Math. Anal. Appl. 333 (2007), 265-273 (tex) (pdf).
  89. (with L. Dupaigne and M. Ghergu) Lane-Emden-Fowler equations with convection and singular potential, J. Math. Pures Appliquées (Journal de Liouville) 87 (2007), 563-581 (tex) (pdf).
  90. (with S. Dumont, L. Dupaigne, and O. Goubet) Back to the Keller-Osserman condition for boundary blow-up solutions, Advanced Nonlinear Studies 7 (2007), 271-298 (tex) (pdf).
  91. (with M. Mihailescu and P. Pucci) Nonhomogeneous boundary value problems in anisotropic Sobolev spaces, C. R. Acad. Sci. Paris, Ser. I 345 (2007), 561-566 (pdf).
  92. (with M. Mihailescu) Continuous spectrum for a class of nonhomogeneous differential operators, Manuscripta Mathematica 125 (2008), 157-167 (tex) (pdf).
  93. (with M. Mihailescu and P. Pucci) Eigenvalue problems for anisotropic quasilinear elliptic equations with variable exponent, J. Math. Anal. Appl. 340 (2008), 687-698 (tex) (pdf).
  94. (with R. Filippucci and P. Pucci) Existence and non-existence results for quasilinear elliptic exterior problems with nonlinear boundary conditions, Communications in Partial Differential Equations 33 (2008), 706-717 (tex) (pdf).
  95. (with M. Mihailescu) Eigenvalue problems associated to nonhomogeneous differential operators in Orlicz-Sobolev spaces, Analysis and Applications 6 (2008), 83-98 (pdf).
  96. (with M. Mihailescu) Nonhomogeneous Neumann problems in Orlicz-Sobolev spaces, C. R. Acad. Sci. Paris, Ser. I 346 (2008), 401-406 (pdf).
  97. (with M. Ghergu) A singular Gierer-Meinhardt system with different source terms, Proceedings of the Royal Society of Edinburgh: Section A (Mathematics) 138A (2008), 1215-1234 (zip) (pdf).
  98. (with M. Mihailescu) Neumann problems associated to nonhomogeneous differential operators in Orlicz-Sobolev spaces, Ann. Inst. Fourier 58 (2008), 2087-2111 (tex) (pdf).
  99. (with M. Mihailescu) Spectrum in an unbounded interval for a class of nonhomogeneous differential operators, Bull. London Math. Soc. 40 (2008), 972-984 (tex) (pdf).
  100. Combined effects in nonlinear singular elliptic problems with convection, Revue Roumaine de Mathématiques Pures et Appliquées 53 (2008), 543-553 (tex) (pdf).
  101. Rodrigues-type formulae for Hermite and Laguerre polynomials, An. St. Univ. Ovidius Constanta 16 (2008), 109-116 (tex) (pdf).
  102. (with D. Repovs) Perturbation effects in nonlinear eigenvalue problems, Nonlinear Analysis: Theory, Methods and Applications 70 (2009), 3030-3038 (tex) (pdf).
  103. (with A. Kristály) Sublinear eigenvalue problems on compact Riemannian manifolds with applications in Emden-Fowler equations, Studia Mathematica 191 (2009), 237-246 (tex) (pdf).
  104. (with M. Mihailescu) A continuous spectrum for nonhomogeneous differential operators in Orlicz-Sobolev spaces, Mathematica Scandinavica 104 (2009), 132-146 (tex) (pdf).
  105. (with H. Le Dret and R. S. C. Wong), A Tribute to Professor Philippe G. Ciarlet on His 70th Birthday, Comm. Pure Appl. Anal. 8 (2009), No. 1, pp. 1-4 (pdf).
  106. (with A. Kristály and M. Mihailescu) Two nontrivial solutions for a non-homogeneous Neumann problem: an Orlicz-Sobolev setting, Proceedings of the Royal Society of Edinburgh: Section A (Mathematics) 139A (2009), 367-379 (tex) (pdf).
  107. (with M. Mihailescu and G. Morosanu) Eigenvalue problems in anisotropic Orlicz-Sobolev spaces, C. R. Acad. Sci. Paris, Ser. I 347 (2009), 521-526 (pdf).
  108. Foreword: JMAA Special Issue on Degenerate and Singular PDEs and Phenomena in Analysis and Mathematical Physics, J. Math. Anal. Appl. 352 (2009), pp. 1-2 (pdf).
  109. (with M. Mihailescu and S. Tersian) Eigenvalue problems for anisotropic discrete boundary value problems, Journal of Difference Equations and Applications 15 (2009), 557-567 (tex) (pdf).
  110. (with N. Costea) Existence results for hemivariational inequalities involving relaxed monotone mappings, Commun. Appl. Anal. 13 (2009), 293-304 (tex) (pdf).
  111. (with A. Ghanmi, H. Maagli and N. Zeddini) Large and bounded solutions for a class of nonlinear Schrödinger stationary systems, Analysis and Applications 7 (2009), 391-404 (tex) (pdf).
  112. (with D. Repovs) Existence results for variational-hemivariational problems with lack of convexity, Nonlinear Analysis: Theory, Methods and Applications 73 (2010), 99-104 (tex) (pdf).
  113. (with M. Mihailescu) Concentration phenomena in nonlinear eigenvalue problems with variable exponents and sign-changing potential, Journal d'Analyse Mathématique 111 (2010), 267-287 (tex) (pdf).
  114. (with N. Costea) Hartman-Stampacchia results for stably pseudomonotone operators and nonlinear hemivariational inequalities, Applicable Analysis 89 (2010), 175-188 (tex) (pdf).
  115. (with M. Mihailescu and D. Repovs) On a non-homogeneous eigenvalue problem involving a potential: an Orlicz-Sobolev space setting, J. Math. Pures Appliquées (Journal de Liouville) 93 (2010), 132-148 (tex) (pdf).
  116. (with P. Pucci) Remarks on a polyharmonic eigenvalue problem, C. R. Acad. Sci. Paris, Ser. I 348 (2010), 161-164 (pdf).
  117. (with M. Ghergu) Turing patterns in general reaction-diffusion systems of Brusselator type, Communications in Contemporary Mathematics 12 (2010), 661-679 (tex) (pdf).
  118. (with M. Mihailescu and G. Morosanu) Eigenvalue problems for anisotropic elliptic equations: an Orlicz-Sobolev setting, Nonlinear Analysis: Theory, Methods and Applications 73 (2010), 3239-3253 (tex) (pdf).
  119. (with M. Mihailescu) Eigenvalue problems with weight and variable exponent for the Laplace operator, Analysis and Applications 8 (2010), 235-246 (tex) (pdf).
  120. (with A. Kristály, M. Mihailescu and S. Tersian) Spectral estimates for a nonhomogeneous difference problem, Communications in Contemporary Mathematics 12 (2010), 1015-1029 (tex) (pdf).
  121. (with M. Mihailescu and D. Stancu) A Caffarelli-Kohn-Nirenberg-type inequality with variable exponent and applications to PDE's, Complex Variables and Elliptic Equations 56 (2011), 659-669(tex) (pdf).
  122. (with M. Boureanu and P. Pucci) Multiplicity of solutions for a class of anisotropic elliptic equations with variable exponent, Complex Variables and Elliptic Equations 56 (2011), 755-767 (tex) (pdf).
  123. (with A. Kristály and M. Mihailescu) Discrete boundary value problems involving oscillatory nonlinearities: small and large solutions, Journal of Difference Equations and Applications 17 (2011), 1431-1440 (tex) (pdf).
  124. (with B. Breckner and C. Varga) Infinitely many solutions for the Dirichlet problem on the Sierpinski gasket, Analysis and Applications 9 (2011), 235-248 (tex) (pdf).
  125. (with M. Mihailescu and S. Tersian) Homoclinic solutions of difference equations with variable exponents, Topological Methods in Nonlinear Analysis 38 (2011), 277-289 (tex) (pdf).
  126. (with P. Pucci) The impact of the mountain pass theory in nonlinear analysis: a mathematical survey, Boll. Unione Mat. Ital. Series IX, No. 3 (2010), 543-584 (pdf).
  127. Remarks on a limiting case in the treatment of nonlinear problems with mountain pass geometry, Studia Universitatis Babes-Bolyai Mathematica Volume LV, No. 4 (2010), 99-106 (pdf).
  128. (with T.-L. Radulescu) Picard and Krasnoselski sequences: applications to fixed point problems, Gazeta Matematica, Seria A (Romanian Mathematical Society) XXVIII (CVII), No. 3-4 (2010), 77-92 (tex) (pdf).
  129. (with T.-L. Radulescu) Agenda for a mathematical renaissance, Notices Amer. Math. Soc. 57 (2010), 1079 (pdf).
  130. Combined effects and degenerate phenomena in nonlinear stationary problems, Le Matematiche LXV (2010), 169-191 (pdf).
  131. (with G. Bonanno and G. Molica Bisci) Infinitely many solutions for a class of nonlinear eigenvalue problem in Orlicz-Sobolev spaces, C. R. Acad. Sci. Paris, Ser. I 349 (2011), 263-268 (pdf).
  132. (with M. Mihailescu) Sublinear eigenvalue problems associated to the Laplace operator revisited, Israel J. Math. 181 (2011), 317-326 (tex) (pdf).
  133. (with G. Bonanno and G. Molica Bisci) Existence of three solutions for a non-homogeneous Neumann problem through Orlicz-Sobolev spaces, Nonlinear Analysis: Theory, Methods and Applications 74 (2011), 4785-4795 (tex) (pdf).
  134. (with D. Repovs) Combined effects in nonlinear problems arising in the study of anisotropic continuous media, Nonlinear Analysis: Theory, Methods and Applications 75 (2012), 1523-1529 (tex) (pdf).
  135. (with G. Bonanno and G. Molica Bisci) Multiple solutions of generalized Yamabe equations on Riemannian manifolds and applications to Emden-Fowler problems, Nonlinear Analysis: Real World Applications 12 (2011), 2656-2665 (tex) (pdf).
  136. (with P. Pucci) Combined effects in quasilinear elliptic problems with lack of compactness, Rendiconti Lincei - Matematica e Applicazioni 22 (2011), 189-205 (tex) (pdf).
  137. (with G. Bonanno and G. Molica Bisci) Infinitely many solutions for a class of nonlinear elliptic problems on fractals, C. R. Acad. Sci. Paris, Ser. I 350 (2012), 187-191 (tex) (pdf).
  138. Noncoercive elliptic equations with subcritical growth, Discrete and Continuous Dynamical Systems - Series S 5 (2012), 857-864 (tex) (pdf).
  139. (with G. Bonanno and G. Molica Bisci) Arbitrarily small weak solutions for a nonlinear eigenvalue problem in Orlicz-Sobolev spaces, Monatshefte für Mathematik 165 (2012), 305-318 (tex) (pdf).
  140. (with N. Costea) Inequality problems of quasi-hemivariational type involving set-valued operators and a nonlinear term, Journal of Global Optimization 52 (2012), 743-756 (tex) (pdf).
  141. (with M. Boureanu) Anisotropic Neumann problems in Sobolev spaces with variable exponent, Nonlinear Analysis: Theory, Methods and Applications 75 (2012), 4471-4482 (tex) (pdf).
  142. Multiple solutions for Lane-Emden equations with mixed nonlinearities, Annals of the University of Bucharest 3 (LXI) (2012), 227-232 (tex) (pdf).
  143. (with G. Bonanno and G. Molica Bisci) Variational analysis for a nonlinear elliptic problem on the Sierpinski gasket, ESAIM: Control, Optimisation and Calculus of Variations 18 (2012), 941-953 (tex) (pdf).
  144. Critical Point Theory, in Selected Papers of James Serrin (P. Pucci, V. Radulescu, H. Weinberger, Editors), 2 volumes, 1600 pages, Contemporary Mathematicians, Birkhäuser, Basel, 2013 (pdf).
  145. (with G. Bonanno and G. Molica Bisci) Quasilinear elliptic non-homogeneous Dirichlet problems through Orlicz-Sobolev spaces, Nonlinear Analysis: Theory, Methods and Applications 75 (2012), 4441-4456 (tex) (pdf).
  146. (with G. Bonanno and G. Molica Bisci) Weak solutions and energy estimates for a class of nonlinear elliptic Neumann problems, Advanced Nonlinear Studies 13 (2013), 373-389 (tex) (pdf).
  147. (with G. Afrouzi and A. Hadjian) Variational analysis for Dirichlet impulsive differential equations with oscillatory nonlinearity, Portugaliae Mathematica 70 (2013), 225-242 (tex) (pdf).
  148. (with G. Bonanno and G. Molica Bisci) Qualitative analysis of gradient-type systems with oscillatory nonlinearities on the Sierpinski gasket, Chinese Annals of Mathematics 34 (2013), 381-398 (tex) (pdf).
  149. Combined effects for a stationary problem with indefinite nonlinearities and lack of compactness, Dynamic Systems and Applications 22 (2013), 371-384 (tex) (pdf).
  150. (with G. Bonanno and G. Molica Bisci) Nonlinear elliptic problems on Riemannian manifolds and applications to Emden-Fowler type equations, Manuscripta Mathematica 142 (2013), 157-185 (tex) (pdf).
  151. (with G. Molica Bisci) Multiple symmetric solutions for a Neumann problem with lack of compactness, C. R. Acad. Sci. Paris, Ser. I 351 (2013), 37-42 (tex) (pdf).
  152. (with N. Papageorgiou) Semilinear Neumann problems with indefinite and unbounded potential and crossing nonlinearity, in Recent Trends in Nonlinear Partial Differential Equations. Dedicated to Patrizia Pucci on the Occasion of Her 60th Birthday, Contemporary Mathematics, American Mathematical Society (J. Serrin, E. Mitidieri, V. Radulescu-Editors), vol. 595 (2013), 293-315 (tex) (pdf).
  153. (with A. Iannizzotto) Positive homoclinic solutions for the discrete p-Laplacian with a coercive potential, Differential and Integral Equations 27 (2014), 35-44 (tex) (pdf).
  154. (with G. Afrouzi and A. Hadjian) Variational approach to fourth-order impulsive differential equations with two control parameters, Results in Mathematics 65 (2014), 371-384 (tex) (pdf).
  155. (with B. Zhang and Y. Fu) The stationary Navier-Stokes equations in variable exponent spaces of Clifford-valued functions, Advances in Applied Clifford Algebras 24 (2014), 231-252 (tex) (pdf).
  156. (with G. Molica Bisci and R. Servadei) Low and high energy solutions of nonlinear elliptic oscillatory problems, C. R. Acad. Sci. Paris, Ser. I 352 (2014), 117-122 (tex) (pdf).
  157. (with N. Papageorgiou) Qualitative phenomena for some classes of quasilinear elliptic equations with multiple resonance, Applied Mathematics and Optimization 69 (2014), 393-430 (tex) (pdf).
  158. (with G. Molica Bisci) Applications of local linking to nonlocal Neumann problems, Communications in Contemporary Mathematics, in press (tex) (pdf).
  159. (with G. Afrouzi and M. Mirzapour) Qualitative properties of anisotropic elliptic Schrödinger equations, Advanced Nonlinear Studies 14 (2014), 719-736 (tex) (pdf).
  160. (with N. Papageorgiou) Resonant (p,2)-equations with asymmetric reaction, Analysis and Applications, in press (tex) (pdf).
  161. (with G. Molica Bisci) Mountain pass solutions for nonlocal equations, Ann. Acad. Sci. Fennicae 39 (2014), 579-592 (tex) (pdf).
  162. (with G. Afrouzi and M. Mirzapour) Existence and multiplicity results for anisotropic stationary Schrödinger equations, Rendiconti Lincei - Matematica e Applicazioni 25 (2014), 91-108 (tex) (pdf).
  163. (with B. Zhang) Morse theory and local linking for a nonlinear degenerate problem arising in the theory of electrorheological fluids, Nonlinear Analysis: Real World Applications 17 (2014), 311-321 (tex) (pdf).
  164. (with N. Papageorgiou) Positive solutions for nonlinear nonhomogeneous Neumann equations of superdiffusive type, J. Fixed Point Theory Appl., in press (tex) (pdf).
  165. (with N. Papageorgiou) Multiple solutions with precise sign for nonlinear parametric Robin problems, Journal of Differential Equations 256 (2014), 2449-2479 (tex) (pdf).
  166. (with N. Papageorgiou) Solutions with sign information for nonlinear nonhomogeneous elliptic equations, Topological Methods in Nonlinear Analysis, in press (tex) (pdf).
  167. (with A. Bahrouni and H. Ounaies) Infinitely many solutions for a class of sublinear Schrödinger equations with indefinite potentials, Proceedings of the Royal Society of Edinburgh: Section A (Mathematics), in press (tex) (pdf).
  168. (with G. Molica Bisci) A characterization for elliptic problems on fractal sets, Proc. Amer. Math. Soc., in press (tex) (pdf).
  169. (with B. Alleche) Equilibrium problems techniques in the qualitative analysis of quasi-hemivariational inequalities, Optimization, in press (zip) (pdf).
  170. (with G. Molica Bisci) Bifurcation analysis of a singular elliptic problem modelling the equilibrium of anisotropic continuous media, Topological Methods in Nonlinear Analysis, in press (tex) (pdf).
  171. (with N. Papageorgiou) Multiplicity theorems for semilinear Robin problems, Advances in Calculus of Variations, in press (tex) (pdf).
  172. (with N. Papageorgiou) Positive solutions for Neumann problems with indefinite and unbounded potential, Applied Mathematics Letters 35 (2014), 7-11 (tex) (pdf).
  173. (with N. Papageorgiou) Bifurcation near the origin for the Robin problem with concave-convex nonlinearities, C. R. Acad. Sci. Paris, Ser. I 352 (2014), 627-632 (tex) (pdf).
  174. (with N. Papageorgiou) Combined effects of singular and sublinear nonlinearities in some elliptic problems, Nonlinear Analysis: Theory, Methods and Applications, in press (tex) (pdf).
  175. (with B. Alleche and M. Sebaoui) The Tikhonov regularization for equilibrium problems and applications to quasi-hemivariational inequalities, Optimization Letters, in press (zip) (pdf).
  176. (with N. Papageorgiou) Multiple solutions for asymptotically linear elliptic equations with sign changing weight, Kyoto Journal of Mathematics, in press (tex) (pdf).
  177. (with G. Afrouzi and M. Mirzapour) Qualitative analysis of solutions for a class of anisotropic elliptic equations with variable exponent, Proceedings of the Edinburgh Mathematical Society, in press (tex) (pdf).
  178. (with N. Papageorgiou) Multiplicity of solutions for resonant Neumann problems with an indefinite and unbounded potential, Transactions Amer. Math. Soc., in press (tex) (pdf).


Publications in Refereed Conference Proceedings

  1. Variational aspects of generalized eigenvalue and eigenvector problems, Proceedings of the National Colloquium on Probability Theory and Operational Research (Craiova, 1982), 164-167, University of Bucharest, Bucharest, 1982.
  2. Hemivariational inequalities associated to multivalued problems with strong resonance, in Nonsmooth/Nonconvex Mechanics: Modeling, Analysis and Numerical Methods, dedicated to the memory of Professor P.D. Panagiotopoulos, (D.Y. Gao, R.W. Ogden, G.E. Stavroulakis, Eds.), Kluwer Academic Publishers, 2000, pp. 333-348.
  3. Perturbations of eigenvalue problems with constraints for hemivariational inequalities, From Convexity to Nonconvexity, volume dedicated to the memory of Prof. G. Fichera, Nonconvex Optimiz. Appl., 55, Kluwer Acad. Publ., Dordrecht, 2001 (R.P. Gilbert, P. Pardalos, Eds.), pp. 243-253.
  4. Perturbations of symmetric hemivariational inequalities, in Nonsmooth/Nonconvex Mechanics with Applications in Engineering, International Conference In Memoriam of Professor P.D. Panagiotopoulos, Thessaloniki, 5-6 July, 2002, Editions Ziti, Thessaloniki, 2002 (C.C. Baniotopoulos, Ed.), pp. 61-72.
  5. Asymptotics of minimizers and pinning of vortices for a variational problem with discontinuous weight related to superconductivity, in Proceedings of the National Conference on Mathematical Analysis and Applications, Timisoara 12-13 December 2000, Timisoara University Press, 2003 (M. Megan, N. Suciu, Eds.), pp. 337-356.
  6. (with M. Iosifescu and M. Sofonea), Editorial [Actes du 6-ème Colloque Franco-Roumain de Mathématiques Appliquées], Proceedings of the Sixth Franco-Romanian Colloquium on Applied Mathematics, Held in Perpignan, September 2-6, 2002, An. Univ. Craiova Ser. Mat. Inform. 30 (2003), no. 1, p. 1.
  7. On a spectral variational problem arising in the study of earthquakes. Multiplicity and perturbation from symmetry, in Control and Boundary Analysis, Proceedings of the 21st IFIP Conference on System Modeling and Optimization, Sophia Antipolis, France, July 21-25, 2003 (J. Cagnol, J.-P. Zolesio, Eds.), Lecture Notes in Pure and Applied Mathematics Series, 240, Chapman & Hall/CRC, Boca Raton, FL, 2005, pp. 191-202 (pdf).
  8. (with M. Iosifescu), Préambule [Actes du 7-ème Colloque Franco-Roumain de Mathématiques Appliquées], Proceedings of the Seventh Franco-Romanian Colloquium on Applied Mathematics, Held in Craiova, August 30 - September 3, 2004, An. Univ. Craiova Ser. Mat. Inform. 32 (2005), p. 1.
  9. Bifurcation and asymptotics for elliptic problems with singular nonlinearity, in Studies in Nonlinear Partial Differential Equations: In Honor of Haim Brezis, Fifth European Conference on Elliptic and Parabolic Problems: A special tribute to the work of Haim Brezis, Gaeta, Italy, May 30 - June 3, 2004 (C. Bandle, H. Berestycki, B. Brighi, A. Brillard, M. Chipot, J.-M. Coron, C. Sbordone, I. Shafrir, V. Valente, G. Vergara Caffarelli, Eds.), Birkhäuser, 2005, pp. 349-362 (pdf).
  10. (with M. Ghergu), Singular elliptic problems with convection term in anisotropic media, in Mathematical Analysis and Applications: International Conference on Mathematical Analysis and Applications, Craiova (Romania), 23-24 September 2005, AIP Conference Proceedings Volume 835 (C. Niculescu and V. Radulescu, Editors), American Institute of Physics, 2006, pp. 74-89 (pdf).
  11. Comparison principles and applications to nonlinear elliptic equations, in Critical Point Theory and Its Applications, Casa Cartii de Stiinta (C. Varga, A. Kristály, P. Blaga, Eds.), Cluj-Napoca, 2007, pp. 17-52.
  12. (with M. Ghergu), On the influence of a subquadratic convection term in singular elliptic problems, in Applied Analysis and Differential Equations, (O. Carja, I. Vrabie, Eds.), World Scientific, 2007, pp. 127-138 (pdf).
  13. Combined effects of singular nonlinearities and potentials in elliptic equations, Bull. St. Univ. Pitesti 14 (2008), 95-112 (pdf).
  14. (with M. Ghergu), The influence of the distance function in some singular elliptic problems, in Potential Theory and Stochastics in Albac. Aurel Cornea Memorial Volume, Albac, September 4-8, 2007 (D. Bakry, L. Beznea, N. Boboc, M. Röckner, Eds.), Theta Series in Advanced Mathematics, vol. 11, Bucharest, 2009, pp. 125-138 (tex) (pdf).
  15. (with Yu. Alkhutov, S. Antontsev, R. Gilbert, and A. Pankov) Preface, Complex Variables and Elliptic Equations 56 (2011), 543-544.
  16. (with G. Da Prato) Foreword: Special Issue on Stochastic PDEs in Fluid Dynamics, Particle Physics and Statistical Mechanics, J. Math. Anal. Appl. 384 (2011), p.1.
  17. (with G. Bonanno and G. Molica Bisci) A note on elliptic equations involving the critical Sobolev exponent, in Differential and Difference Equations with Applications, Springer Proceedings in Mathematics, 47, pp. 311-319 (tex) (pdf).
  18. (with P. Pucci and H. Weinberger) Foreword, in Selected Papers of James Serrin, 2 volumes, 1718 pages, Contemporary Mathematicians, Birkhäuser, Basel, 2014.
  19. (with T.-L. Radulescu) A 21st century mathematical renaissance, in I, Mathematician Mathematical Association of America, (P. Casazza, S. Krantz, Eds.), 2014 (pdf).


Publications in Unrefereed Volumes

  1. On the properties of spaces endowed with Riesz vector norms, in Spatii Liniare Ordonate Topologice, No. 11, University of Bucharest, 1990, 102-103.
  2. Sur la théorie de Lusternik-Schnirelman en dimension finie, Matarom, Laboratoire d'Analyse Numérique, Université Pierre et Marie Curie (Paris VI), No. 2 (juin 1992), 9-17.
  3. Weak solutions for a class of multivalued elliptic problems, in Spatii Liniare Ordonate Topologice, No. 14, University of Bucharest, 1993, 83-84.
  4. (with P. Mironescu) Nonlinear Sturm-Liouville type problems with a finite number of solutions, Matarom, Laboratoire d'Analyse Numérique, Université Pierre et Marie Curie (Paris VI), No. 3 (juillet 1993), 54-67.
  5. (with C. Niculescu) Problems at resonance via critical point theorems for non-smooth functionals, Tübingen Berichte zür Funktionanalysis, Heft 3, Jahrgang 93/94, 169-183.
  6. (with F. Cîrstea) On the uniqueness of solutions to a class of singular anisotropic elliptic boundary value problems, RGMIA Research Report Collection, vol. 3 (2000), 405-414.
  7. (with M. Iosifescu) Septième Colloque franco-roumain de mathématiques appliquées, Gazette des Mathématiciens, No. 103 (janvier 2005), 57-58 [see also Matapli, No. 76 (mars 2005), 47-48].
  8. (with T.-L. Radulescu) New trends of the mathematical education in Europe, in Educatie-Identitate in Procesul Integrarii Romaniei in Uniunea Europeana, Editura Academiei, Bucuresti, 2008, pp. 86-95.


Research Reports

  1. (with Q. Tang) Asymptotics and pinning of vortices for a variational problem with vanishing weight related to superconductivity, Centre for Mathematical Analysis and Its Applications, University of Sussex, CMAIA 98-01.
  2. (with A. Bahrouni and H. Ounaies) Infinitely many solutions for a class of sublinear Schrödinger equations with indefinite potentials, Isaac Newton Institute, University of Cambridge, NI14008-FRB/2014.
  3. (with B. Alleche) Equilibrium problems techniques in the qualitative analysis of quasi-hemivariational inequalities, Isaac Newton Institute, University of Cambridge, NI14009-FRB/2014.
  4. (with B. Alleche and M. Sebaoui) The Tikhonov regularization for equilibrium problems and applications to quasi-hemivariational inequalities, Isaac Newton Institute, University of Cambridge, NI14044-FRB/2014.
  5. (with M. Malin) Competition phenomena for difference equations with oscillatory nonlinearities, Isaac Newton Institute, University of Cambridge, NI14050-FRB/2014.


Proposed Problems

  1. A Limit Problem, Proposed problem No. 11024, American Mathematical Monthly 6/110 (2003) (solution) (AMMsolution).
  2. An Example with Periodic Orbits, Proposed problem No. 11073, American Mathematical Monthly 3/111 (2004) (pdf) (AMMsolution).
  3. Periodic Solution of a Differential Equation, Proposed problem No. 11104, American Mathematical Monthly 8/111 (2004) (pdf) (AMMsolution).
  4. Exponential Growth of a Solution, Proposed problem No. 11137, American Mathematical Monthly 2/112 (2005) (pdf) (AMMsolution).
  5. Proposed problem No. 2005-1, Electronic Journal of Differential Equations (Problem Section, click here).
  6. Ginzburg-Landau Energy, Proposed problem No. 11167, American Mathematical Monthly 7/112 (2005) (pdf) (AMMsolution).
  7. Proposed problem No. 1224, Elemente der Mathematik 4/60 (2005) (pdf) (EMsolution).
  8. Signed Series Terms, Proposed problem No. 11304, American Mathematical Monthly 6/114 (2007) (tex) (solution) (AMMsolution).
  9. Proposed problem No. 1270, Elemente der Mathematik, Elemente der Mathematik 4/63 (2008) (tex) (pdf).
  10. A Cauchy-Schwarz Puzzle, Proposed problem No. 11458, American Mathematical Monthly 8/116 (2009) (pdf) (AMMsolution).
  11. Proposed problem No. 2010-1, Electronic Journal of Differential Equations (Problem Section).
  12. A Prime Multiple of the Identity Matrix, Proposed problem No. 11532, American Mathematical Monthly 9/117 (2010) (AMMsolution).
  13. Gamma and Beta Inequalities, Proposed problem No. 11542, American Mathematical Monthly 10/117 (2010) (AMMsolution).
  14. Proposed problem No. 2011-1, Electronic Journal of Differential Equations (Problem Section).
  15. Proposed problem No. 2011-3, Electronic Journal of Differential Equations (Problem Section).
  16. Proposed problem, American Mathematical Monthly 121 (2014) (pdf).



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