Gheorghe MOROȘANU

 

BORN: April 30, 1950, Darabani, Botoșani County, Romania

 

ADDRESS: Babeș-Bolyai University, Faculty of Mathematics and Computer Science, 1 M. Kogalniceanu Str., 400084 Cluj–Napoca, Romania

Email: morosanu@math.ubbcluj.ro

 

EMPLOYMENT

·     Since 2015: Invited Professor, Babeș-Bolyai University, Cluj-Napoca, Romania

·     2002-2017: Full Professor, Central European University, Budapest, Hungary

·     1991-2004: Full Professor, Alexandru Ioan Cuza University, Iași, Romania

·     1990-1991: Associate Professor, Alexandru Ioan Cuza University, Iași, Romania

·     1980-1990: Assistant Professor and Lecturer, Alexandru Ioan Cuza University, Iași, Romania

·     1978-1980: Researcher, Alexandru Ioan Cuza University, Iași, Romania

·     1974-1978: Teacher of Mathematics, High School No. 5, Iași, Romania

 

OTHER APPOINTMENTS

·      2004 - 2012: Head of the Department of Mathematics and its Applications, Central European University, Budapest

·      2003-2004: Acting Head of the Department of Mathematics and its Applications, Central European University, Budapest

·      2001-2002: Researcher, University of Stuttgart, Germany

·      1999-2001: Member of Committee No. 1 (for Mathematics and Natural Sciences) of the National Council for Scientific Research, Ministry of Education, Romania

·      1992-1996: Head of the Department of Differential Equations, Faculty of Mathematics, Alexandru Ioan Cuza University, Iași, Romania

·      1990-1991: Chancellor, Faculty of Mathematics, Alexandru Ioan Cuza University, Iași, Romania

·      1995-2004: Researcher, Octav Mayer Institute of Mathematics, Romanian Academy, Iași Branch

 

TEACHING EXPERIENCE

I have delivered various courses at different universities, such as: Calculus, Linear Algebra, Linear Programming, Real Analysis, Functional Analysis, Ordinary Differential Equations, Partial Differential Equations, Integral Equations, Evolution Equations, Calculus of Variations, Control Theory, Semigroups of Linear Operators, and others.

Visiting Professorship Positions: University of Jyväskylä, Finland (1989); Ohio University, Athens, Ohio, U.S.A. (1998 and 2000)

SUPERVISION

The following individuals have completed their PhD dissertations under my supervision or co-supervision: Muhammad AHSAN (2013), Panait ANGHEL (1999), Narcisa APREUTESEI (1999), Luminita BARBU (1998), Oganeditse A. BOIKANYO (2011), Cristian COCLICI (1998), Nicușor COSTEA (2015), Paul GEORGESCU (2008), Tihomir GYULOV (2010), Alexandru KRISTALY (2010), Gabriela Lorelai LITCANU (2001), Rodica LUCA (1995), Mihai MIHAILESCU (2010), Viorica Venera MOTREANU (2003), and Andras SERENY (2008).

Furthermore, I have been an advisor of many other students and young researchers. 

 

SCIENTIFIC ACTIVITY

Main fields of interest: Ordinary and Partial Differential Equations, Difference Equations, Calculus of Variations, Evolution Equations in Banach Spaces, Fluid Mechanics, Singular Perturbation Theory, Various topics in Applied Mathematics

PhD Defense: January 16, 1981, thesis title: Qualitative Problems for Nonlinear Differential Equations of Accretive Type in Banach Spaces

PhD Supervisors: Viorel Barbu and Adolf Haimovici

Publications: 15 books (monographs and textbooks) and a great number of research articles.

 

INTERNATIONAL RECOGNITION AND DIFFUSION

I am frequently invited to give talks and lecture series on my own results. I myself organize or co-organize from time to time scientific events such as:

·      2018 (April 20-21): The first meeting of the “Romanian Itinerant Seminar on Mathematical Analysis and Its Applications”, Babes-Bolyai University, Cluj-Napoca, Romania: http://www.cs.ubbcluj.ro/1st-rismaa/

·      2017 (April 4): Workshop on Applied Mathematics, Faculty of Mathematics, Alexandru Ioan Cuza University, Iași, Romania

·      2011 (September 19-25): Symposium on Linear and Nonlinear Operators and Applications, in the framework of the International Conference of Numerical Analysis and Applied Mathematics (ICNAAM), Halkidiki, Greece.

·      2011 (May 21): Workshop on Applied Mathematics, Central European University (CEU), Budapest, dedicated to the 20th anniversary of CEU

·      2010 (October 29): Workshop on Applied Analysis, CEU, Budapest, dedicated to the 20th anniversary of CEU

·      2008: Workshop on Calculus of Variations and Optimization, CEU, Budapest

·      2007: Student Workshop on Some Topics in Applied Mathematics, CEU, Budapest

·      2007: Workshop on Applied Evolution Equations, CEU, Budapest

·      2006: New Trends in Applied Mathematics, CEU, Budapest

·      2006: Recent Advances in Calculus of Variations, CEU, Budapest

·      1990: International Conference on Differential Equations and Control Theory, Alexandru Ioan Cuza University, Iași, Romania

I have visited many institutions for research purposes, such as: International Centre for Theoretical Physics (ICTP), Trieste, Italy (1984, and 1985), University of Jyväskylä, Finland (1995, 1996, 1997, 1998, and 1999), University of Stuttgart, Germany (1997 (DAAD Fellowship), 1999, 2000, 2001, and 2002), Ohio University, Athens, Ohio (1988 and 2000), Technical University, Munchen, Germany (2002), University of Rousse, Bulgaria (2010, 2012), Babeș-Bolyai University, Cluj-Napoca, Romania (2013, 2014), University of Iowa, Iowa City, IA (2016), Ovidius University, Constanta, Romania (2016), Craiova University, Romania (2017), Simion Stoilow Institute of Mathematics of the Romanian Academy (2017), and others.

I have cooperated with many (over 40) researchers on various topics within my areas of interest or neighboring areas and disciplines, including biology, chemistry, economics, engineering, mechanics, physics.

I have been director or investigator for several grants, as follows:

·      2007: Director of the grant Applied Evolution Equations, CEU, Budapest

·      2001-2002 (15 months): Investigator, DFGWe659 - Conservation Laws and Electromagnetic Fields, University of Stuttgart, Germany

·      1991-2000: During this period I have been director of several grants offered by the Ministry of Education, Romania, or by the Romanian Academy. In addition, I have been a member of the research teams for further Romanian grants.

 

AWARDS AND HONORS

·      2017: Doctor Honoris Causa of Craiova University, Romania

·      2016: Doctor Honoris Causa of Ovidius University, Constanta, Romania

·      2008: Egyetemi Tanár (university professor), appointed by the President of Hungary

·      2007: Honorary Citizenship of Darabani (my hometown)

·      1985: Distinguished Assistant Professor, Ministry of Education, Romania

·      1983: Gheorghe Lazar Prize of the Romanian Academy (for outstanding contributions to the theory of hyperbolic partial differential equations)

PUBLICATIONS


(a) Books

Books in English

1. Nonlinear Evolution Equations and Applications, D. Reidel, Dordrecht - Boston - Lancaster - Tokyo, 1988.

2. Nonlinear Evolutions. Stability Theory and Applications, Reports on Appl. Math. and Computing, No. 5, University of Jyväskylä, Finland, 1990.

3. Monotonicity Methods for Partial Differential Equations, Budapest Univ. of Technology and Economics, 1999 (with S. Sburlan).

4. Functional Methods in Differential Equations, Chapman&Hall/CRC, Boca Raton - London - New York - Washington, D.C., 2002 (with V.-M. Hokkanen).

5. Singularly Perturbed Boundary Value Problems, Birkhäuser, Basel - Boston - Berlin, 2007 (with L. Barbu).

6. Applied Analysis, in preparation

 

Books in Romanian

1. Problems on Differential Equations, "Alexandru Ioan Cuza" University, Iasi, 1985.

2. Nonlinear Evolution Equations and Applications, Editura Academiei, Bucharest, 1986.

3. Differential Equations. Applications, Editura Academiei, Bucharest, 1989.

4. Mathematics. Tests in Algebra and Analysis, "Gr. T. Popa" University of Medicine and Pharmacology, Iasi, 1998 (with Dumitru Dorobantu, Gabriela Georgescu and Paul Georgescu).

5. Mathematics. Collection of Exercises in Algebra and Analysis, Editura Tehnica, Chisinau, 1998 (with Dumitru Dorobantu and Gabriela Georgescu).

6. Functional Methods in the Study of Boundary Value Problems, Series of Math. Monographs, No. 70, Editura Univ. Timisoara, 1999.

7. Mathematics Assessment Grids. Admissions 1999, Editura Sedcom Libris, Iasi, 1999 (joint book, under the editorship of Eugen Popa).

8. Asymptotic Analysis of Some Nonlinear Boundary Value Problems, Editura Academiei, Bucharest, 2000 (with L. Barbu).

9. Second Order Differential Equations in Hilbert Spaces, Matrix Rom, Bucharest, 2000 (with N. Apreutesei-Dumitriu).

10. Elements of Linear Algebra and Analytic Geometry, Matrix Rom, Bucharest, 2000.

 


(b)
Papers in Periodicals

1. Asymptotic behaviour of resolvent for a monotone set in a Hilbert space, Atti Accad. Naz. Lincei 61, 1977, 565-570.

2. Second order difference equations of monotone type, Numerical Functional Analysis and Optimization 1, 1979, 441-450.

3. Asymptotic behaviour of solutions of differential equations associated to monotone operators, Nonlinear Analysis 3, 1979, 873-883.

4. Existence for nonlinear differential systems of hyperbolic type, Analele Stiintifice ale Univ. "A. I. Cuza" Iasi (N.S.), Sectia I-a Mat., 26, 1980, 345-352.

5. Stability of solutions of nonlinear boundary value problems for hyperbolic systems, Nonlinear Analysis 5, 1981, 61-70.

6. Mixed problems for a class of nonlinear differential hyperbolic systems, J. Math. Anal. Appl. 83, 1981, 470-485.

7. Existence for a nonlinear hyperbolic system, Nonlinear Analysis 5, 1981, 341-353 (with V. Barbu, Cuza University, Iasi).

8. Asymptotic dosing problem for evolution equations in Hilbert spaces, Analele Stiintifice ale Univ. "A. I. Cuza" Iasi (N.S.), Sectia I-a Mat., 28, 1982, 127-137.

9. On a class of nonlinear differential hyperbolic systems with non-local boundary conditions, J. Diff. Equations 43, 1982, 345-368.

10. The study of the evolution of some self-organized chemical systems, J. Chemical Physics 82, 1985, 3685-3691 (with G. Bourceanu, Faculty of Chemistry, Cuza Univ., Iasi).

11. Asymptotic behaviour of solutions of second order difference equations associated to monotone operators, Numerical Funct. Analysis and Optimization 8, 1985-86, 419-434 (with Enzo Mitidieri, Trieste, Italy).

12. Nonlinear boundary value problems for a class of hyperbolic partial differential systems, Atti Sem. Mat. Fis. Univ. Modena 34, 1985-86, 295-316 (with D. Petrovanu, Iasi).

13. Nonlinear monotone boundary conditions for parabolic equations, Rend. Ist. Mat. Universita di Trieste 18, 1986, 136-155 (with D. Petrovanu, Iasi).

14. Variational solutions for elliptic boundary value problems, Analele Stiintifice ale Univ. "A. I. Cuza" Iasi (N.S.), Sectia I-a Mat., 35, 1989, 237-244 (with D. Petrovanu, Iasi).

15. Optimal control of biharmonic variational inequalities, Analele Stiintifice ale Univ. "A. I. Cuza" Iasi (N.S.), Sectia I-a Mat., 35, 1989, 153-170 (with Zheng-Xu He, U.S.A.).

16. Time periodic solutions for a class of partial differential hyperbolic systems, Analele Stiintifice ale Univ. "A. I. Cuza" Iasi (N.S.), Sectia I-a Mat., 36, 1990, 93-98 (with D. Petrovanu, Iasi).

17. Well-posed nolinear problems in integrated circuits modeling, Circuits Systems Signal Process 10, 1991, 53-69 (with C. Marinov, Bucharest and P. Neittaanmaki, Jyvaskyla, Finland).

18. The study of some problems from the theory of integrated circuits, Memoriile Sectiilor Stiintifice ale Academiei Romane, Ser. IV, t. XIV, no. 2, 1991, 187-193 (in Romanian).

19. On a class of nonlinear hyperbolic systems, Memoriile Sectiilor Stiintifice ale Academiei Romane, Ser. IV, t. XIV, no. 2, 1991, 219-237 (with Rodica Luca, Techn. Univ., Iasi).

20. Consistent models for electrical networks with distributed parameters, Mathematica Bohemica 117, 1992, 113-122 (with C. Marinov, Bucharest).

21. Hyperbolic problems in integrated circuit modelling, Stud. Cerc. Mat. 44(5), 1992, 355-373 (with Rodica Luca, Techn. Univ., Iasi).

22. Une equation integro-differentielle de la theorie de la capillarite, C.R. Acad. Sci. Paris, t. 319, Serie I, 1994, 1171-1174 (with A.Corduneanu, Techn. Univ., Iasi).

23. An integro-differential equation from the capillarity theory, Libertas Mathematica 14, 1994, 115-123 (with A. Corduneanu, Techn. Univ., Iasi).

24. Multiple orthogonal sequence method and applications, Analele Univ. "Ovidius" Constanta, Ser. Mat., 2 (1994), 188-200 (with S. Sburlan, Constanta).

25. Periodic solutions for a class of functional equations, Analele Univ. "Ovidius" Constanta, Ser. Mat., 3 (1995), 38-43 (with A. Corduneanu, Techn. Univ., Iasi).

26. Some remarks on the phase field equations, Libertas Mathematica 15 (1995), 159-164.

27. On a problem arising in capillarity theory, Analele Univ. "Ovidius" Constanta, Ser. Mat. 3 (1995), 127-137.

28. A nonlinear integro-differential equation related to a problem from capillarity theory, Comm. Appl. Nonlinear Anal. 3 (1996), 51-60 (with A. Corduneanu, Techn. University, Iasi)

29. On the system x'=A(t)x with A(t) symmetric or antisymmetric, Bul. Inst. Politehnic din Iasi, T. 42(46), Sect. I, 1996, 35-39 (with A. Corduneanu, Iasi).

30. A variational approach to a problem arising in capillarity theory, J. Math. Anal. Appl. 206 (1997), 442-447.

31. On the commutation, symmetricity and unitarity of the evolution operators for linear Cauchy problems, PanAmerican Math. J. 7 (1997), 1-14 (with V.-M. Hokkanen, Jyvaskyla, Finland).

32. An application of the Fourier method in acoustics, Advances in Math. Sciences and Appl., Gakkotosho, Tokyo, Vol. 7, No. 1 (1997), 69-77 (with V.-M. Hokkanen (Finland), P. Joulain, V. Locquet (France), G. Bourceanu (Iasi)).

33. On a boundary value problem for a second order differential equation, Analele Univ."Ovidius" Constanta, Ser. Mat., 5 (1997), 89-94 (with D. Zofota, Paris).

34. Asymptotic analysis of the telegraph equations with non-local boundary value conditions, PanAmerican Math. J. 8 (1998), No. 4, 13-22 (with L. Barbu, Constanta).

35. Differentiability with respect to delay, Diff. Int. Equations 11 (1998), No. 4, 589-603 (with V.-M. Hokkanen, Jyvaskyla).

36. The singular limit of telegraph equations, Comm. Appl. Nonlinear Anal. 5 (1998), No. 1, 91-106 (with A. Perjan, Chisinau, Moldova).

37. On the commutation, symmetricity and unitarity of linear evolution operators, Analele Univ. "Ovidius" Constanta, Ser. Mat., 6 (1998), 75-84 (with Veli-Matti Hokkanen, Jyvaskyla).

38. On a degenerate second order boundary value problem, Analele Univ. "Ovidius" Constanta, Ser. Mat. 6 (1998), 141-152.

39. The Fourier method for abstract differential equations and applications, Comm. Appl. Analysis 3 (1999), No. 2, 173-188 (with P. Georgescu and V. Gradinaru).

40. A class of nonlinear parabolic boundary value problems, Math. Sci. Res. Hot-Line 3 (1999), No. 4, 1-22 (with V.-M. Hokkanen, Jyvaskyla).

41. Regularity of solutions of the telegraph system with nonlinear boundary conditions, PanAmerican Math. J. 9 (1999), No.3, 17-29 (with S. Azicovici and N.H. Pavel, Athens, Ohio).

42. A class of degenerate multivalued second order boundary value problems, J. Math. Anal. Appl. 236 (1999), 1-24 (with A. Panait, Constanta, Romania and D. Zofota, Cachan, France).

43. One-dimensional singularly perturbed coupled boundary value problems, Math. Sci. Res. Hot-Line 3 (1999), No. 10, 1-21 (with C. Coclici and W.L.Wendland, Stuttgart).

44. Un probleme aux limites pour une equation differentielle non lineaire du deuxieme ordre, Bulletin de la Classe des Sciences de l'Academie Royale de Belgique, 6e serie, Tome X, 1-6, 1999, 79-88 (avec Daniela Zofota, France).

45. On a nonlinear second order differential operator, Comm. Appl. Nonlinear Anal. 6 (1999), No. 4, 1-16 (with S. Aizicovici and N.H. Pavel, Athens, Ohio).

46. On the viscous-viscous and the viscous-inviscid interaction in Computational Fluid Dynamics, Computing and Visualization in Sci. 2 (1999), 95-105 (with C. Coclici and W.L. Wendland, Stuttgart).

47. A first order asymptotic expansion of the solution of a singularly perturbed problem for the telegraph equations, Applicable Analysis 72 (1-2) (1999), 111-125 (with L. Barbu, Constanta).

48. The coupling of hyperbolic and elliptic boundary value problems with variable coefficients, Math. Meth. Appl. Sci. 23 (2000), 401-440 (with C. Coclici and W.L. Wendland, Stuttgart).

49. On a class of singularly perturbed coupled boundary value problems, Math. Sci. Res. Hot-Line 4(6) (2000), 25-37 (with L. Barbu).

50. A class of singularly perturbed, coupled, evolutionary boundary value problems, Math. Sci. Res. Hot-Line 4(8) (2000), 63-76 (with L. Barbu and C. Coclici).

51. Existence and regularity for a class of nonlinear hyperbolic boundary value problems, J. Math. Anal. Appl. 266 (2002), 432-450 (with V.-M. Hokkanen, Jyvaskyla).

52. Closed range mild solution operators and nonconvex optimal control via orthogonality and generalized gradients, Nonlinear Anal. 49 (2002), No. 2, Ser. A: Theory Methods, 247-264 (with J.K. Kim, Korea and N.H. Pavel, USA).

53. High regularity of the solution of a nonlinear parabolic boundary value problem, Electronic J. Diff. Equations, Vol. 2002 (2002), No. 48, pp. 1-12 (with L. Barbu and W.L. Wendland).

54. Existence and high regularity of the solution of a nonlinear parabolic problem with algebraic-differential boundary conditions, Math. Nachrichten 259 (2003), 74-83 (with W.L.Wendland).

55. Asymptotic analysis of a two-dimensional coupled problem for compressible viscous flows, Discrete and Cont. Dynamical Systems 10 (2004), 137-163 (with C. Coclici, J. Heiermann and W.L. Wendland).

56. First order asymptotic expansion for a singularly perturbed, coupled parabolic- -parabolic problem, Nonlinear Funct. Anal. Appl. 10 (2004), No. 1, 99-116 (with L. Barbu and J.K. Kim).

57. On some mathematical modelling of the self-field MPD thrusters, ZAMM 84 (2004), No. 9, 598-631 (with C. Coclici, J. Heiermann, and W.L. Wendland).

58. On a singularly perturbed, coupled parabolic-parabolic problem, Asymptotic Analysis 40 (2004), No. 1, 67-81 (with L. Barbu).

59. Stability for a damped nonlinear oscillator, Nonlinear Analysis 60 (2005), 303-310 (with C. Vladimirescu).

60. Stability for a nonlinear second order ODE, Funkcialaj Ekvacioj 48 (2005), 49-56 (with C. Vladimirescu).

61. Mountain pass type solutions for discontinuous perturbations of the vector p-Laplacian, Nonlinear Funct. Anal. Appl. 10 (2005), 591-611 (with P. Jebelean)

62. On a coupled parabolic-parabolic problem with a small parameter, Int. J. Appl. Math. Sci. 2 (2005), No. 2, 207-219 (with L. Barbu).

63. Ordinary p-Laplacian systems with nonlinear boundary conditions, J. Math. Anal. Appl. 313 (2006), 738-753 (with P. Jebelean).

64. Existence for a semilinear sixth-order ODE, J. Math. Anal. Appl. 321 (2006), 86-98 (with Tihomir Gyulov and Stepan Tersian).

65. A telegraph system with time-dependent boundary conditions, Math. Sci. Res. J. 10 (2006), No. 7, 177-187 (with Andras Sereny).

66. Global stability for a stage-structured predator-prey model, Math. Sci. Res. J. 10 (2006), No. 8, 214-228 (with Paul Georgescu).

67. Quasilinear elliptic problems in RN involving oscillatory nonlinearities, J. Diff. Equations 235 (2007), 366-375 (with Alexandru Kristaly and Stepan Tersian).

68. Homoclinic solutions of a fourth-order travelling wave ODE, Portugaliae Math. 64 (2007), 281-301 (with Diko Souroujon and Stepan Tersian).

69. On a nonsmooth fourth order boundary value problem, Nonlinear Analysis, Theory Methods Appl. 67 (2007), 2800-2814 (with Tihomir Gyulov).

70. Pest regulation by means of impulsive controls, Appl. Math. Comp. 190 (2007), 790-803 (with Paul Georgescu).

71. Flow invariance of semilinear evolution equations under generalized dissipativity conditions, Nonlinear Analysis, Theory Methods Appl. 68 (2008), 443-455 (with Paul Georgescu).

72. Impulsive perturbations of a three-trophic prey-dependent food chain system, Mathematical and Computer Modelling 48 (2008), 975-997 (with Paul Georgescu).

73. Optimal placement of a deposit between markets: a Riemann-Finsler geometrical approach, J. Opt. Theory Appl. 139 (2008), 263-276 (with Alexandru Kristály and Ágoston Róth).

74. Eigenvalue problems in anisotropic Orlicz-Sobolev spaces, C.R. Acad. Sci. Paris, Ser. I, 347 (2009), 521-526 (with Mihai Mihăilescu and Vicenţiu Rădulescu).

75. A necessary and sufficient condition for input identifiability for linear time-invariant systems, Appl. Math. Letters 22 (2009), 823-826 (with Tihomir Gyulov).

76. Modified Rockafellar's algorithms, Math. Sci. Res. J. 13 (5) (2009), 101-122 (with O.A. Boikanyo).

77. Multiplicity results for double eigenvalue problems involving the p-Laplacian, Taiwanese J. Math. 13 (2009), no. 13, 1095-1110 (with Hannelore Lisei and Csaba Varga).

78. Existence and multiplicity of solutions for an anisotropic elliptic problem involving variable exponent growth conditions, Applicable Analysis 89 (2010), No. 2, 257-271 (with Mihai Mihăilescu).

79. A proximal point algorithm converging strongly for general errors, Optimization Letters 4 (2010), 635-641 (with O.A. Boikanyo).

80. On a class of boundary value problems involving the p-biharmonic operator, J. Math. Anal. Appl. 367 (2010), 43-57 (with Tihomir Gyulov).

81. On an eigenvalue problem for an anisotropic elliptic equation involving variable exponents, Glasgow Math. J. 52 (2010), 517-527 (with Mihai Mihăilescu).

82. Eigenvalue problems for anisotropic elliptic equations: an Orlicz-Sobolev space setting, Nonlinear Analysis 73 (2010), 3239-3253 (with Mihai Mihăilescu and Vicenţiu Rădulescu).

83. New competition phenomena in Dirichlet problems, J. Math. Pures Appl. 94 (2010), 555-570 (with Alexandru Kristály).

84. Four parameter proximal point algorithms, Nonlinear Analysis 74 (2011), 544-555 (with O.A. Boikanyo).

85. Eigenvalues of the Laplace operator with nonlinear boundary conditions, Taiwanese J. Math. 15 (3) (2011), 1115-1128 (with Mihai Mihăilescu).

86. Inexact Halpern-type proximal point algorithm, J. Global Optimization 51 (2011), 11-26 (with O.A. Boikanyo).

87. On the method of alternating resolvents, Nonlinear Analysis 74 (2011), 5147–5160 (with O.A. Boikanyo).

88. Equations involving a variable exponent Grushin-type operator, Nonlinearity, 24 (2011), 2663-2680 (with M. Mihăilescu and D. Stancu-Dumitriu).

89. Multi parameter proximal point algorithms, J. Nonlinear Convex Analysis 13(2) (2012), No. 2, 221-231 (with O.A. Boikanyo).

90. A generalization of the regularization proximal point method, J. Nonlinear Anal. Appl. (electronic), 2012 (2012) (with O. A. Boikanyo).

91. The method of alternating resolvents revisited, Numer. Funct. Anal. Optim., 33(11) (2012, 1280-1287 (with O. A. Boikanyo).

92. Elliptic-like regularization of semilinear evolution equations, J. Math. Anal. Appl. 396 (2012), 759-771 (with M. Ahsan).

93. A contraction proximal point algorithm with two monotone operators, Nonlinear Analysis 75 (2012), 5686-5692 (with O. A. Boikanyo).

94. Strong convergence of a proximal point algorithm with bounded error sequence, Optimization Letters 7 (2013), 415-420 (with O.A. Boikanyo).

95. An existence result for a nonhomogeneous problem in R2 related to nonlinear Hencky-type materials, Nonlinear Analysis: Real World Applications 14 (2013), 1466-1476 (with M. Mihăilescu).

96. Asymptotically periodic solutions for differential and difference inclusions in Hilbert spaces, Electronic J. Diff. Equations 2013 (6) (2013), 1-6 (with F. Ozpinar).

97. A multiplicity result for an elliptic anisotropic differential inclusion involving variable exponents, Set-Valued Var. Anal. 21 (2013), no. 2, 311-332 (with N. Costea).

98. Second-order differential equations on R+ governed by monotone operators, Nonlinear Analysis 83 (2013), 69-81.

99. A dimension-depending multiplicity result for the Schrödinger equation, Dynamic Systems Appl. 22 (2013), no. 2-3, 325-335 (with A. Kristaly).

100. Strong convergence of the method of alternating resolvents, J. Nonlinear Convex. Anal. 14 (2013), 221-229 (with O. A. Boikanyo).

101. Periodic forcing for some difference equations in Hilbert spaces, Bull. Belgian Math. Soc. Simon Stevin 20 (2013), 821-829 (with F. Ozpinar).

102. Strong and weak solutions to second order differential inclusions governed by monotone operators. Set-Valued Var. Anal. 22 (2014), no. 2, 521–531 (with H. Khatibzadeh).

103. Existence results for second-order monotone differential inclusions on the positive half-line. J. Math. Anal. Appl. 419 (2014), 94–113.

104. Existence for second order differential inclusions on R+ governed by monotone operators. Advanced Nonlinear Studies 14 (2014), 661–670.

105. Asymptotic expansions for elliptic-like regularizations of semilinear evolution equations. J. Diff. Equations 257 (2014), no. 8, 2926-2949 (with M. Ahsan).

106. Asymptotically periodic solutions to some second order evolution and difference equations, Appl. Anal. 94 (2015), no. 5, 1042-1050 (with H. Khatibzadeh).

107. On a class of second-order differential inclusions on the positive half-line, Z. Anal. Anwend. 34 (2015), no.1, 17-26.

108. On second-order differential equations associated with gradients of pseudoconvex functions, Gazeta Matematica, Ser. A, Vol. XXXII (CXII) (2015), no. 3-4, 1-7.

109. Eigenvalues of –Δpq under Neumann boundary condition, Canadian Math, Bull. 59 (2016), no. 3, 606-616 (with M. Mihailescu).

110. Eigenvalues of –(Δpq) under a Robin-like boundary condition, Ann. Acad. Rom. Sci. Ser. Math. Appl. 8 (2016), no. 2, 114-132 (with T. Gyulov).

111. Elliptic-like regularization of semilinear evolution equations and applications to some hyperbolic problems, J. Math. Anal. Appl. 449 (2017), no. 2, 966-978 (with L. Barbu).

112. Invariant sets and attractors for Hanusse-type chemical systems with diffusions, Comput. Math. Appl. 73 (2017), no. 8, 1815-1823 (with M. Nechita).              

113. A splitting method for approximating zeros of the sum of two monotone operators, J. Nonlinear Convex Anal. 18 (2017), no. 4, 763-776 (with H. Khatibzadeh and S. Ranjbar).

114. Elliptic-like regularization of a fully nonlinear evolution inclusion and applications, Comm. Contemp. Math. 19 (2017), no. 5, 1650037, 16 pp. (with L. Barbu).

115. Steklov-type eigenvalues of Δpq,, Pure Appl. Funct. Anal. 3 (2018), no. 1, 75-89 (with N. Costea).

116. Weak solvability for Dirichlet partial differential inclusions, Adv. Differential Equations 23 (2018), no. 7-8, 523-554 (with N. Costea and C. Varga).

117. Eigenvalues of the negative $(p,q)$-Laplacian under a Steklov-like boundary condition, Complex Var. Elliptic Equations, in press (with L. Barbu).

118. Stability for a system of two coupled nonlinear oscillators with partial lack of damping, Nonlinear Analysis: Real World Applications, in press (with C. Vladimirescu).


(c) Papers in Proceedings Volumes

1. Regularity of solutions of variational inequalities in Hilbert spaces, in vol. Variational Inequalities and Optimization Problems, Proceedings of a Summer School, Constanta (Romania), 1979, pp. 125-130.

2. Second order difference equations associated to monotone operators and the proximal point algorithm, in vol. Functional Equations, Approximation and Convexity, Cluj-Napoca (Romania), 1979, pp. 115-118 (in Romanian).

3. Asymptotic stability of solutions to nonlinear boundary value problems for a class of hyperbolic systems, in vol. Itinerant Seminar on Functional Equations, Approximation and Convexity, Iasi (Romania), 1979, pp. 19-21 (in Romanian).

4. On a class of nonlinear differential hyperbolic systems, in vol. Differential Equations and Applications, Proceedings of the Second Conference, Rousse, Bulgaria, 1982, pp. 515-518.

5. Existence and regularity of solutions for a class of partial differential hyperbolic systems, in vol. Proceedings of the Workshop on Differential Equations and Control Theory, Iasi, 1983, pp. 78-103.

6. Well-posed nonlinear problems in the theory of electrical networks with distributed and lumped parameters, in vol. Proceedings of the Seventeenth IASTED International Symposium on SIMULATION AND MODELLING, June 19-22, 1989, Lugano, Switzerland, ACTA Press, Anaheim-Calgary-Zurich, 1989, pp. 345-348 (with C. Marinov, Bucharest and P. Neittaanmaki, Jyvaskyla).

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8. Asymptotic properties of solutions to evolution equations, in vol. Optimization, Optimal Control and Partial Differential Equations (edited by V. Barbu et al.), International Series of Mathematics, Vol. 107, Birkhauser, Basel, 1992, pp. 53-62 (with Rodica Luca, Techn. Univ., Iasi).

9. Nonlinear boundary value problems for a class of hyperbolic systems, in vol. Evolution Equations, Control Theory and Biomathematics, Proc. of the Han-sur-Lesse Conference (Ph. Clement and G. Lumer, Editors), Lecture Notes in Pure and Appl. Math. 155, Marcel Dekker, New York, 1994, pp. 327-336.

10. On a second order boundary value problem related to capillary surfaces, in vol. Analysis, Numerics and Applications of Differential and Integral Equations, Pitman Res. Notes in Math. Series 379, Longman,1998, pp. 149-152.

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12. Multi-model formulations for compressible viscous plasma flows in MPD-accelerators, European Congress on Computational Methods in Applied Sciences and Engineering, ECCOMAS Computational Fluid Dynamics Conference 2001, Swansea, Wales, UK, 4-7 September 2001 (with C. A. Coclici, J. Heiermann, and W. L.Wendland).

13. Asymptotic analysis of the telegraph system with nonlinear boundary conditions, in vol. Differential Equations and Control Theory (proceedings of a conference held at Ohio University, Athens, Ohio, 2000), Lecture Notes in Pure and Appl. Math. 225 (edited by S.Aizicovici and N.H. Pavel), Dekker, New York, 2002, pp. 63-76 (with L. Barbu, E. Cosma and W. L. Wendland).

14. Asymptotic analysis of coupled problems for compressible flows, in vol. Numerical Mathematics and Advanced Applications - Proceedings of ENUMATH 2001, the 4th European Conference on Numerical Mathematics and Advanced Applications, Ischia, July 2001 (F. Brezzi et al, Editors), Springer-Verlag, 2003, pp. 55-64 (with C. A. Coclici, J. Heiermann and W. L. Wendland).

15. Singularly perturbed, transmission parabolic problems, in vol. Computational and Asymptotic Methods - Proceedings of the International Conference on Boundary and Interior Layers, Toulouse, July 5-9, 2004.

16. Evolutionary boundary value problems with singular perturbations, the 4th European Congress on Computational Methods in Applied Sciences and Engineering (ECCOMAS), Jyvaskyla, Finland, July 24-28, 2004 (with Alexandru Murgu).

17. Singularly perturbed BVPs for the telegraph system, in vol. International Conference on Numerical Analysis and Applied Mathematics (ICNAAM) 2006 (T. E. Simos et al., Editors), WILEY-VCH Verlag GmbH & Co. KGaA, Veinheim, 2006, pp. 247-250.

18. Quasilinear elliptic equations involving variable exponents, in vol. Numerical Analysis and Applied Mathematics. International Conference on Numarical Analysis and Applied Mathematics (ICNAAM) 2008, Psalidi, Kos, Greece, 16-20 September 2008, (T. E. Simos et al., Editors), American Institute of Physics, Melville-New York, 2008, pp. 384-387 (with M. Mihăilescu).

19. New advances in the study of the proximal point algorithm, in Numerical Analysis and Applied Mathematics. International Conference on Numarical Analysis and Applied Mathematics (ICNAAM) 2010, Rhodes, Greece, 19-25 September 2010 (T. E. Simos et al., Editors), Vol. III, American Institute of Physics, Melville-New York, 2010, pp. 1707-1710.

20. Proximal point methods revisited, in Numerical Analysis and Applied Mathematics. International Conference on Numerical Analysis and Applied Mathematics (ICNAAM) 2011, Halkidiki, Greece, 19-25 September 2011 (T. E. Simos et al., Editors), Vol. A, American Institute of Physics, Melville-New York, 2011, pp. 893-896 (with O. A. Boikanyo).

21. Some regularizations of semilinear evolution equations, in vol. International Conference on Nonlinear Difference and Differential Equations and their Applications, NODDEA'2012, Ruse, Bulgaria, October 3-6, 2012, Edited by J. Chaparova and T. Gyulov., 2012, pp. 1-6 (with M. Ahsan).


(d) Didactic Papers

An extension of the Jordan-von Neumann theorem, Gazeta Matematica, Seria A, XXIII (CII) (2005), No. 2, 154-157 (with Cristian Vladimirescu).

Do we need mathematics?, Annals of the Univ. of Craiova, Mathematics and Computer Science Series, 44 (2) (2017), 173-178 (in Romanian).