Anna Ochal

Personal information

Institute of Computer Science
Jagiellonian University

prof. Stanisława Łojasiewicza 6
PL-30-348 Krakow
POLAND

Office 2058

tel: (48) 12 664 66 68
fax: (48) 12 664 66 73
e-mail: ochal (at) ii.uj.edu.pl

Research interests

• variational equations and inequalities with applications to mechanics
  • modeling of various problems in mechanics
  • viscoelastic contact problems
  • piezoelectric materials
• stationary and evolution hemivariational inequalities
  • existence of solutions
  • characteristic of solution set
  • asymptotic behaviour of solutions
• optimization and control theory
  • optimal shape design
  • identification and inverse problems
• evolution partial differential equations
• differential inclusions
• calculus of variations

Short CV

Publications

1. S. Migorski, A. Ochal, M. Sofonea, Nonlinear Inclusions and Hemivariational Inequalities. Models and Analysis of Contact Problems, series "Advances in Mechanics and Mathematics", vol. 26, Springer, New York, 2013, pages: 287, ISBN: 978-1-4614-4231-8

61. A. Ochal, M. Jureczka, P. Bartman, A survey of numerical methods for hemivariational inequalities with applications to Contact Mechanics, Communications in Nonlinear Science and Numerical Simulation, 114 (2022), 106563, doi: 10.1016/j.cnsns.2022.106563
60. C. Gariboldi, S. Migorski, A. Ochal, D. Tarzia, Existence, comparison, and convergence results for a class of elliptic hemivariational inequalities, Applied Mathematics and Optimization, 84 (Suppl 2) (2021), S1453-S1475, doi: 10.1007/s00245-021-09800-9
59. S. Migorski, A. Ochal, A class of impulsive history-dependent evolution inclusions with applications, Applied Analysis and Optimization, 5(2) (2021), 263-278
58. M. Jureczka, A. Ochal, A nonsmooth optimization approach for hemivariational inequalities with applications in Contact Mechanics, Applied Mathematics and Optimization, 83 (2021), 1465-1485, doi:10.1007/s00245-019-09593-y
57. W. Han, M. Jureczka, A. Ochal, Numerical studies of a hemivariational inequality for a viscoelastic contact problem with damage, Journal of Computational and Applied Mathematics, 377 (2020), 112886, doi:10.1016/j.cam.2020.112886
56. D. Han, W. Han, M. Jureczka, A. Ochal, Numerical analysis of a contact problem with wear, Computers and Mathematics with Applications, 79 (2020), 2942-2951, doi:10.1016/j.camwa.2019.12.027
55. Z. Peng, L. Gasinski, S. Migorski, A. Ochal, A class of evolution variational inequalities with nonconvex constraints, Optimization, 68(10) (2019), 1881-1895, doi:10.1080/02331934.2018.1476861
54. M. Jureczka, A. Ochal, Numerical analysis and simulations of contact problem with wear, Computers and Mathematics with Applications, 77 (2019), 2980-2988, doi:10.1016/j.camwa.2018.08.044
53. X. Cheng, Q. Xiao, S. Migorski, A. Ochal, Error estimate for quasistatic history-dependent contact model, Computers and Mathematics with Applications, 77 (2019), 2943-2952, doi:10.1016/j.camwa.2018.08.058
52. L. Gasinski, S. Migorski, A. Ochal, Z. Peng, Optimal Control for Doubly Nonlinear Evolutionary Inclusions, Applied Mathematics and Computation, 321 (2018), 244-254, doi:10.1016/j.amc.2017.10.041
51. A. Ochal, M. Jureczka, Numerical treatment of contact problems with thermal effect, Discrete and Continuous Dynamical Systems B., 23(1) (2018), 387-400, doi:10.3934/dcdsb.2018027
50. S. Migorski, A. Ochal, M. Shillor, M. Sofonea, Nonsmooth Dynamic Frictional Contact of a Thermoviscoelastic Body, Applicable Analysis GAPA, (2017), 1-18, doi:10.1080/00036811.2017.1344227
49. S. Migorski, A. Ochal, M. Sofonea, A class of variational-hemivariational inequalities in refexive Banach spaces, Journal of Elasticity, 127 (2017), 151-178, doi:10.1007/s10659-016-9600-7
48. K. Bartosz, P. Kalita, S. Migorski, A. Ochal, M. Sofonea, History-dependent problems with applications to contact models for elastic beams, Applied Mathematics and Optimization, 73 (2016), 71-98, doi:10.1007/s00245-015-9292-6
47. L. Gasinski, A. Ochal, M. Shillor, Quasistatic thermoviscoelastic problem with normal compliance, multivalued friction and wear diffusion, Nonlinear Analysis Real World Applications, 27 (2016), 183-202, doi:10.1016/j.nonrwa.2015.07.006
46. L. Gasinski, A. Ochal, Modeling of quasistatic thermoviscoelastic frictional problem with normal compliance and damage effect, Journal of Coupled Systems and Multiscale Dynamics, 3(3) (2015), 253-261, doi:10.1166/jcsmd.2015.1084
45. L. Gasinski, A. Ochal, M. Shillor, Variational-hemivariational approach to a quasistatic viscoelastic problem with normal compliance, friction and material damage, Journal for Analysis and its Applications (ZAA), 34(3) (2015), 251-275, doi:10.4171/ZAA/1538
44. L. Gasinski, S. Migorski, A. Ochal, Existence results for evolutionary inclusions and variational-hemivariational inequalities, Applicable Analysis, 94(8) (2015), 1670-1694, doi:10.1080/00036811.2014.940920
43. S. Migorski, A. Ochal, M. Sofonea, History-dependent variational-hemivariational inequalities in contact mechanics, Nonlinear Analysis Real World Applications, 22 (2015), 604-618, doi:10.1016/j.nonrwa.2014.09.021
42. L. Gasinski, Z. Liu, S. Migorski, A. Ochal, Z. Peng, Hemivariational inequality approach to evolutionary constrained problems on star-shaped sets, Journal of Optimization Theory and Applications, 164(2) (2015), 514-533, doi:10.1007/s10957-014-0587-6
41. L. Gasinski, A. Ochal, Dynamic thermoviscoelastic problem with friction and damage, Nonlinear Analysis Real World Applications, 21 (2015), 63-75, doi:10.1016/j.nonrwa.2014.06.004
40. S. Migorski, A. Ochal, M. Sofonea, Analysis of a piezoelectic contact problem with subdifferential boundary condition, Proceedings of the Royal Society of Edinburgh (Mathematics), 144A (2014), 1007-1025, doi:10.1017/S0308210513000607
39. X. Cheng, S. Migorski, A. Ochal, M. Sofonea, Analysis of two quasistatic history-dependent contact models, Discrete and Continuous Dynamical Systems B., 19 (2014), 2425-2445, doi:10.3934/dcdsb.2014.19.2425
38. S. Migorski, A. Ochal, M. Shillor, M. Sofonea, A model of a spring-mass-damper system with temperature-dependent friction, European Journal of Applied Mathematics, 25 (2014), 45-64, doi:10.1017/S0956792513000272
37. S. Migorski, A. Ochal, M. Sofonea, History-dependent hemivariational inequalities with applications to Contact Mechanics, Annals of the University of Bucharest. Mathematical Series, 4 (LXII) (2013), 193-212
36. S. Migorski, A. Ochal, M. Sofonea, Weak solvability of two quasistatic viscoelastic contact problems, Mathematics and Mechanics of Solids, 18 (2013), 745-759, doi:10.1177/1081286512448185
35. S. Migorski, A. Ochal, M. Sofonea, History-dependent subdifferential inclusions and hemivariational inequalities in contact mechanics, Nonlinear Analysis: Real World Applications, 12 (2011), 3384-3396, doi:10.1016/j.nonrwa.2011.06.002
34. S. Migorski, A. Ochal, M. Sofonea, Analysis of a quasistatic contact problem for piezoelectric materials, Journal of Mathematical Analysis and Applications, 382 (2011), 701-713, doi: 10.1016/j.jmaa.2011.04.082
33. Z. Denkowski, S. Migorski, A. Ochal, A class of optimal control problems for piezoelectric frictional contact models, Nonlinear Analysis: Real World Applications, 12 (2011), 1883-1895, doi: 10.1016/j.nonrwa.2010.12.006
32. S. Migorski, A. Ochal, M. Sofonea, Analysis of frictional contact problem for viscoelastic materials with long memory, Discrete and Continuous Dynamical Systems, Series B, 15(3) (2011), 687-705, doi: 10.3934/dcdsb.2011.15.687
31. S. Migorski, A. Ochal, M. Sofonea, Analysis of lumped models with contact and friction, Zeitschrift für angewandte Mathematik und Physik, 62 (2011), 99-113, doi: 10.1007/s00033-010-0081-4
30. S. Migorski, A. Ochal, M. Sofonea, Variational analysis of fully coupled electro-elastic frictional contact problems, Mathematische Nachrichten, 283(9) (2010), 1314-1335, doi: 10.1002/mana.200710089
29. S. Migorski, A. Ochal, M. Sofonea, Analysis of a dynamic contact problem for electro-viscoelastic cylinders, Nonlinear Analysis: Theory Methods and Applications, 73 (2010), 1221-1238, doi: 10.1016/j.na.2010.04.046
28. S. Migorski, A. Ochal, An inverse coefficient problem for a parabolic hemivariational inequality, Applicable Analysis, 89 (2) (2010), 243-256, doi: 10.1080/00036810902889559
27. S. Migorski, A. Ochal, M. Sofonea, A dynamic frictional contact problem for piezoelectric materials, Journal of Mathematical Analysis and Applications, 361 (2010), 161-176, doi: 10.1016/j.jmaa.2009.09.004
26. S. Migorski, A. Ochal, M. Sofonea, Weak solvability of antiplane frictional contact problems for elastic cylinders, Nonlinear Analysis: Real World Applications, 11 (2010), 172-183, doi: 10.1016/j.nonrwa.2008.10.045
25. S. Migorski, A. Ochal, M. Sofonea, An evolution problem in nonsmooth elasto-viscoplasticity, Nonlinear Analysis: Theory Methods and Applications, 71 (2009), e2766-e2771, doi: 10.1016/j.na.2009.06.024
24. S. Migorski, A. Ochal, M. Sofonea, Modeling and analysis of an antiplane piezoelectric contact problem, Mathematical Models and Methods in Applied Sciences, 19(8) (2009), 1295-1324, doi: 10.1142/S0218202509003796
23. S. Migorski, A. Ochal, Quasistatic hemivariational inequality via vanishing acceleration approach, SIAM Journal on Mathematical Analysis, 41 (2009), 1415-1435
22. S. Migorski, A. Ochal, M. Sofonea, Solvability of dynamic antiplane frictional contact problems for viscoelastic cylinders, Nonlinear Analysis: Theory Methods and Applications, 70 (2009), 3738-3748, doi: 10.1016/j.na.2008.07.029
21. S. Migorski, A. Ochal, M. Sofonea, Weak solvability of a piezoelectric contact problem, European Journal of Applied Mathematics, 20 (2009), 145-167, doi: 10.1017/S0956792508007663
20. S. Migorski, A. Ochal, Dynamic bilateral contact problem for viscoelastic piezoelectric materials with adhesion, Nonlinear Analysis: Theory Methods and Applications, 69 (2008), 495-509, doi: 10.1016/j.na.2007.05.036
19. S. Migorski, A. Ochal, M. Sofonea, Analysis of a dynamic elastic-viscoplastic contact problem with friction, Discrete and Continuous Dynamical Systems, Series B , 10 (4) (2008), 887-902, doi: 10.3934/dcdsb.2008.10.887
18. S. Migorski, A. Ochal, M. Sofonea, Integrodifferential hemivariational inequalities with applications to viscoelastic frictional contact, Mathematical Models and Methods in Applied Sciences, 18(2) (2008), 271-290, doi: 10.1142/S021820250800267X
17. Z. Liu, S. Migorski, A. Ochal, Homogenization of boundary hemivariational inequalities in linear elasticity, Journal of Mathematical Analysis and Applications, 340 (2008), 1347-1361, doi: 10.1016/j.jmaa.2007.09.050
16. Z. Denkowski, S. Migorski, A. Ochal, Optimal control for a class of mechanical thermoviscoelastic frictional control problems, Control and Cybernetics, 36(3) (2007), 611-632, https://eudml.org/doc/209507
15. S. Migorski, A. Ochal, Navier-Stokes problems modeled by evolution hemivariational inequalities, Discrete and Continuous Dynamical Systems, Supplement 2007, 731-740
14. S. Migorski, A. Ochal, Nonlinear impulsive evolution inclusions of second order, Dynamic Systems and Applications, 16 (2007), 155-174
13. S. Migorski, A. Ochal, Vanishing viscosity for hemivariational inequality modeling dynamic problems in elasticity, Nonlinear Analysis: Theory Methods and Applications, 66(8) (2007), 1840-1852, doi: 10.1016/j.na.2006.02.028
12. Z. Denkowski, S. Migorski, A. Ochal, Existence and uniqueness to a dynamic bilateral frictional contact problem in viscoelasticity, Acta Applicandae Mathematicae, 94(3) (2006), 251-276, doi: 10.1007/s10440-006-9079-5
11. S. Migorski, A. Ochal, A unified approach to dynamic contact problems in viscoelasticity, Journal of Elasticity, 83(3) (2006), 247-276, doi: 10.1007/s10659-005-9034-0
10. S. Migorski, A. Ochal, Existence of solutions for second order evolution inclusions with application to mechanical contact problems, Optimization, 55 (2006), 101-120, doi: 10.1080/02331930500530187
9. A. Ochal, Viscoelastic bilateral contact problem involving Coulomb friction law, WSEAS Transactions on Mathematics, 1(5) (2006), 63-68
8. H. Frankowska, A. Ochal, On singularities of value function for Bolza optimal control problem, Journal of Mathematical Analysis and Applications, 306 (2005), 714-729, doi: 10.1016/j.jmaa.2004.10.003
7. S. Migorski, A. Ochal, Hemivariational inequalities for stationary Navier-Stokes equations, Journal of Mathematical Analysis and Applications, 306 (2005), 197-217, doi: 10.1016/j.jmaa.2004.12.033
6. S. Migorski, A. Ochal, Hemivariational inequalities for viscoelastic contact problem with slip dependent friction, Nonlinear Analysis: Theory Methods and Applications, 61 (2005), 135-161, doi: 10.1016/j.na.2004.11.018
5. A. Ochal, Existence results for evolution hemivariational inequalities of second order, Nonlinear Analysis: Theory Methods and Applications, 60 (2005), 1369-1391, doi: 10.1016/j.na.2004.10.021
4. S. Migorski, A. Ochal, Boundary hemivariational inequality of parabolic type, Nonlinear Analysis: Theory Methods and Applications, 57 (2004), 579-596, doi: 10.1016/j.na.2004.03.004
3. A. Ochal, Optimal control in superpotential for evolution hemivariational inequality, WSEAS Transactions on Mathematics, 1(1) (2003), 48-53
2. S. Migorski, A. Ochal, Optimal control of parabolic hemivariational inequalities, Journal of Global Optimization, 17 (2000), 285-300, doi: 10.1023/A:1026555014562
1. A. Ochal, Domain identification problem for elliptic hemivariational inequalities, Topological Methods in Nonlinear Analysis, 16 (2000), 267-278, doi: 10.12775/TMNA.2000.041

5. S. Migorski, A. Ochal, M. Sofonea, Evolutionary inclusions and hemivariational inequalities, Chapter 2 in: Advances in Variational and Hemivariational Inequalities. Theory, Numerical Analysis, and Applications, (Advances in Mechanics and Mathematics (AMMA)), Springer Science+Business Media Series, W. Han, S. Migorski, M. Sofonea (Eds.), vol. 33, 2015, 39-64, doi: 10.1007/978-3-319-14490-0_2
4. S. Migorski, A. Ochal, M. Sofonea, Two history-dependent contact problems, Chapter 14 in: Advances in Variational and Hemivariational Inequalities. Theory, Numerical Analysis, and Applications, (Advances in Mechanics and Mathematics (AMMA)), Springer Science+Business Media Series, W. Han, S. Migorski, M. Sofonea (Eds.), vol. 33, 2015, 355-379, doi: 10.1007/978-3-319-14490-0_14
3. S. Migorski, A. Ochal, M. Sofonea, A class of history-dependent inclusions with applications to contact problems, Chapter 3 in: Optimization and Control Techniques with Applications, Springer Proceedings in Mathematics & Statistics, H. Xu, K.L. Teo, Y. Zhang (Eds.), vol. 86, 2014, 45-74, doi: 10.1007/978-3-662-43404-8_3
2. S. Migorski, A. Ochal, Nonconvex Inequality Models for Contact Problems of Nonsmooth Mechanics, Chapter 3 in: Computer Methods in Mechanics, Advanced Structured Materials, M. Kuczma, K. Wilmanski (Eds.), vol. 1, 2010, Springer, Berlin, Heidelberg, 43-58
1. S. Migorski, A. Ochal, Inverse Coefficient Problem for Elliptic Hemivariational Inequality, Chapter 11 in: Nonconvex Optimization and its Applications, Nonsmooth/ Nonconvex Mechanics, 2001, Kluwer Academic Publishers, Netherlands, 247-261, doi: 10.1007/978-1-4613-0275-9_11

3. S. Migorski, A. Ochal, Evolution hemivariational inequalities for Navier-Stokes type operators, Proceedings of the International Conference on Nonsmooth/Nonconvex Mechanics with Applications in Engineering, II. NNMAE 2006, Thessaloniki, Greece, July 7-8, 2006, Baniotopoulos C.C., (ed.), 93-98
2. S. Migorski, A. Ochal, Existence of solutions to boundary parabolic hemivariational inequalities, Proceedings of the International Conference on Nonsmooth/Nonconvex Mechanics with Applications in Engineering, I. NNMAE 2002, Thessaloniki, Greece, July 5-6, 2002, Baniotopoulos C.C., (ed.), 53-60
1. A. Ochal, Optimal control problems for hemivariational inequalities, Third Polish Conference on Methods and Computer Systems in Scientific Researches and Engineering Design, Krakow, Poland, November 19-21, 2001, Tadeusiewicz R., Ligeska A., Szymkat M., (eds), 15-18

• M. Jureczka, A. Ochal, P. Bartman, A nonsmooth optimization approach for time-dependent hemivariational inequalities, submited to Nonlinear Analysis: Real World Applications, 2022

Conferences, Workshops, Summer schools

• PolWoMaths Seminar (PTKM), online seminar (January 12, 2022) PolWoMaths seminar 2022
  lecture: Variational-hemivariational inequalities in mathematical modeling

• Analysis and Approximation of Variational and Hemivariational Inequalities, online conference (April 10-11, 2021) CONMECH conferences 2021
  lecture: A class of impulsive evolution inclusions with a history-dependent operator

• Emerging Trends in Applied Mathematics and Mechanics, Ostrava, Czech (June 15-19, 2020) posponed June 14-18, 2021, cancelled ETAMM 2020
  organizer MS11
  lecture: On doubly nonlinear evolutionary inclusions (MS5)
  lecture: A nonsmooth optimization approach for time-dependent hemivariational inequalities (MS11)
• The 13th AIMS Conference on Dynamical Systems, Differential Equations and Applications Atlanta, USA (June 5-9, 2020) posponed June, 2021 AIMS 2020
  lecture: (SS41)

• Seminar "Function Spaces and PDEs", Zakopane, Male Ciche, Poland (September 23-27, 2019) Spaces 2019
  organizer
• Jubilee Congress for the 100th anniversary of the Polish Mathematical Society, Krakow, Poland (September 3-7, 2019) PTM 2019
• Perpignan's Days of Applied Mathematics, International Conference in honor of Meir Shillor for his 70th birthday, Perpignan, France (June 13-14, 2019) PDAM 2019
  lecture: A class of evolution variational inequalities with nonconvex constrains (keynote lecture)
• International Conference on Elliptic and Parabolic Problems, Gaeta, Italy (May 20-24, 2019) Gaeta 2019
  lecture: Parabolic variational constrained inequalities on star-shaped sets (MS16)
• Workshop on Calculus of Variations and Applications, Salerno, Italy (May 18, 2019) CalVar 2019
  lecture: Evolution variational inequalities with nonconvex constraints

• Joint PTM-SIMAI-UMI mathematical meeting, Wroclaw, Poland (September 17-20, 2018) PTM 2018
  lecture: History-dependent hemivariational inequalities and their applications to Contact Mechanics (SS10)
  lecture: Elliptic variational- hemivariational inequalities in mathematical modeling (SS12)
• The 12th AIMS Conference on Dynamical Systems, Differential Equations and Applications Taipei, Taiwan (July 5 - July 9, 2018) AIMS 2018
  lecture: Evolution hemivariational inequalities with history-dependent operators and their applications (SS35)
• Emerging Trends in Applied Mathematics and Mechanics, Krakow, Poland (June 18-22, 2018) ETAMM 2018
  organizer, organizer MS15
  lecture: Convergence result for evolution hemivariational inequalities with history-dependent operators (MS3)
• Special Workshop on Nonlinear Analysis, Juliusz Schauder Medal Awarding Ceremony, Torun, Poland (May 21-23, 2018) UMK 2018
• Nonlinear Differential Equations with applications in Continuum Mechanics, Jubilee workshops in honor of Krzysztof Chelminski for his 60th birthday, Warsaw, Poland (March 1, 2018) NonDiff 2018
  lecture: Inequalities as a way of ... modeling

• Seminar "Nonlocal PDEs", Zakopane, Male Ciche, Poland (September 26-29, 2017) Nonlocal 2017
  organizer
• Mathematical Analysis with Applications in Mechanics, International Conference in honor of Mircea Sofonea for his 60th birthday, Perpignan, France (September 6-8, 2017) MAAM 2017
  lecture: Variational-hemivariational Inequalities with Applications to Contact Mechanics
• Seventh German-Polish Conference on Optimization, Poznan, Bedlewo, Poland (August 27 - September 1, 2017) GPCO 2017
  lecture: Variational-hemivariational Inequalities with Optimal Control
• International Workshop on Recent Advances in Variational/Hemivariational Inequalities and Applications, Xi'an Jiaotong University, Xi'an, Shaanxi, China (June 24-26, 2017) Xi'an 2017
  lecture: Elliptic variational-hemivariational inequalities in mathematical modeling

• Symposium on Optimal Control and Related Topics. Czesław Olech in memoriam, Warsaw, Poland (October 20-21, 2016) Olech 2016
  lecture: Optimal control for doubly nonlinear evolutionary inclusions
• Tenth Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (June 19-24, 2016) X FRRC 2016
  lecture: Variational-hemivariational inequalities in mathematical modeling
• Dynamical Systems and Applications (IV), Lodz, Poland (June 16-18, 2016) DSA 2016
  organizer
  lecture: A penalty method for an elliptic variational-hemivariational inequality
• Emerging Trends in Applied Mathematics and Mechanics, Perpignan, France (May 30 - June 3, 2016) ETAMM 2016
  lecture: Hemivariational inequalities with applications to dynamic contact problems in thermoviscoelasticity (MS2)
  lecture: Modeling and error estimates of quasistatic history-dependent contact model (MS3)
• Eighth Contact Mechanics International Symposium, Warsaw, Poland (May 11-13, 2016) CMIS 2016
  lecture: Dynamic frictional contact of a thermoviscoelastic body with an obstacle
• Seminar at UMK (The Nicolaus Copernicus University in Torun), Poland (January 18, 2016)
  lecture: Evolution hemivariational inequalities and their applications

• International Conference on Nonlinear Operators, Differential Equations and Applications, Cluj-Napoca, Romania (July 14-17, 2015) ICNODEA 2015
  lecture: On some variational-hemivariational inequalities with application in Contact Mechanics
• Twenty Seventh IFIP TC7 Conference 2015 on System Modelling and Optimization, Sophia Antipolis, France (June 29 - July 3, 2015) IFIP 2015
  lecture: Optimal control problems in nonsmooth Contact Mechanics via hemivariational inequalities
• Seminar "Singular PDEs, Analytical Tools and Applications", Zakopane, Male Ciche, Poland (June 24-27, 2015) Singularities 2015
  organizer
• Workshop CONTACT, Perpignan, France (June 10-12, 2015)
  lecture: Variational-hemivariational inequalities and their applications in Contact Mechanics
• Dynamical Systems and Applications (III), Lodz, Poland (April 16, 2015) DSA 2015
  organizer

• Asymptotics of Dynamical Systems, Lodz, Poland (December 2, 2014) ADS 2014
  lecture: Nonlinear boundary problems via hemivariational inequalities
• Applied Mathematics Conference, A conference to celebrate the 65th birthday of Professor Meir (Fiki) Shillor, Oakland University, Rochester, Michigan, USA (September 13, 2014) Fiki 2014
  lecture: On history-dependent hemivariational inequalities with applications (invited talk)
• Ninth Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (September 1 - 5, 2014) IX FRRC 2014
  lecture: (Hemi)variational inequalities in mathematical modeling (a plenary talk)
• International Workshop on Variational and Hemivariational Inequalities: Theory, Numerics, and Applications, Xi'an Jiaotong University, Xi’an, Shaanxi, China (June 28-30, 2014) Xi'an 2014
  lecture: History-dependent hemivariational inequalities in Contact Mechanics (plenary talk)
• Dynamical Systems and Applications (II), Lodz, Poland (June 12, 2014) DSA 2014
  lecture: Existence results for variational-hemivariational inequalities with applications
• Calculus of Variations and Optimization, A conference to celebrate the 60th birthday of Giuseppe Buttazzo, Pisa, Italy, (May 21-23, 2014) Buttazzo 2014

• The 2013 World Congress on Global Optimization, Huangshan, Anhui, China (July 8-10, 2013) WCGO 2013
  lecture: History-dependent hemivariational inequalities - applications and optimization methods
• Dynamical Systems and Applications, Lodz, Poland (May 7, 2013) DSA 2013
  lecture: Solvability of nonlinear problems in contact mechanics

• French-Romanian Conference on applied Mathematics, Bucarest, Romania (August 24-30, 2012) CFR 2012
  lecture: Quasistatic Frictional Contact Problems via Hemivariational Inequalities
• Calculus of Variations and PDEs, Szczawnica, Poland (July 9-12, 2012) Calc 2012
• Eighth Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (June 17 - 22, 2012) VIII FRRC 2012
  lecture: On a class of history-dependent inclusions (a plenary talk)

• Fifth German Polish Conference on Optimization - Methods and Applications, Dobczyce, Krakow, Poland (November 9-13, 2011) 5GPCO 2011
  lecture: Optimal control problems in nonsmooth contact mechanics (a plenary talk)
• Twenty Fifth IFIP TC 7 Conference on System Modeling and Optimization, Berlin, Germany (September 12-16, 2011) 25th IFIP 2011
  lecture: On some evolution variational - hemivariational inequalities with application
  lecture: Fully nonlinear viscoelastic contact problems - modeling and optimization methods
• Sixth Symposium on Nonlinear Analysis, Torun, Poland (September 7-9, 2011) SNA 2011
  lecture: Nonlinear analysis in modeling of contact problems in mechanics
• Workshop on Functional Analysis and its Applications in Mathematical Physics and Optimal Control, Nemecka, Slovak Republic (September 5-10, 2011)
  lecture: Optimal control for a class of history-dependent hemivariational inequalities
• 19th French-Polish Seminar of Mechanics, Perpignan, France (June 8-12, 2011) SFPM 2011
  lecture: Antiplane frictional contact problems for electroviscoelastic cylinders
• 19th International Conference on Computer Methods in Mechanics, Warsaw, Poland (May 9-12, 2011) CMM 2011
  lecture: Optimal control problems for a class of evolution inclusions with applications to dynamic and quasi-static viscoelastic contact problems
• The AMS 2011 Spring Central Section Meeting, University of Iowa, Iowa City, USA (March 18-20, 2011) AMS 2011
  lecture: Dynamic antiplane frictional contact problems - modeling and analysis

• 10 years of mathematics on UKSW, Warsaw, Poland (November 17-18, 2010) UKSW 2010
• Seminar "Inequalities and Partial Differential Equations", Zakopane, Male Ciche, Poland (September 21-26, 2010) Inequalities 2010
  lecture: Hemivariational inequalities with applications
• Workshop "Nonlinear Optimization, Variational Inequalities and Equilibrium Problems", International School of Mathematics "G. Stampacchia", Erice, Italy (July 2 - 10, 2010) ERICE 2010
  lecture: Optimal control for integrodifferential hemivariational inequalities
• Seventh Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (June 13 - 18, 2010) VII FRRC 2010
  lecture: Mathematical model of contact problem for viscoelastic materials with long memory
• Eighth AIMS Conference on Dynamical Systems, Differential Equations and Applications, Dresden University of Technology, Dresden , Germany (May 25 - 28, 2010) AIMS 2010
  lecture: Frictional contact boundary conditions via hemivariational inequalities
  lecture: Quasistatic viscoelastic and thermoviscoelastic contact models
• Miniconference "Methods of Optimization", Warsaw, Poland (May 10-11, 2010)
  lecture: Evolution hemivariational inequalities and applications
• First Mini Symposium "Differential Equations with Applications", Lodz, Poland (April 16, 2010)
  lecture: Hemivariational inequalities for 1-D dynamical contact problems
  
  

• Third International Conference on Complex Systems and Applications, University of Le Havre, Le Havre, Normandy, France (June 29 - July 02, 2009) ICCSA 2009
  lecture: On quasistatic models of contact phenomena
• Workshop "PhaseVariations '09" (bimester: Geometric Properties of Nonlinear Local and Nonlocal Problems), University of Pavia, Italy (May 21-22, 2009) PV 2009, IMATI CNR 2009
  lecture: Hemivariational inequality approach to dynamic contact (a plenary talk)
• The First World Congress on Global Optimization with Applications in Engineering and Science, Hunan University, China (June 1-5, 2009) WCGO 2009
  lecture: On a quasistatic hemivariational inequality
• Fourth German Polish Conference on Optimization Methods and Applications, Moritzburg, Saxony, Germany (March 14-18, 2009) GPCO 2009
  lecture: A class of optimal control problems for piezoelectric frictional contact models
  
  

• Seminar "Around Differential Inclusions", Zakopane, Male Ciche, Poland (September 26-29, 2008) Inclusions 2008
  lecture: Nonconvex superpotential laws - stationary hemivariational inequalities
• Eighth World Conference on Computational Mechanics (WCCM VIII) and Fifth European Congress on Computational Methods in Applied Science and Engineering (ECCOMAS V), Venice, Italy (June 30 - July 5, 2008) IACM-ECCOMAS 2008
  lecture: Asymptotic homogenization of hemivariational inequalities
• Sixth Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (June 2 - 4, 2008) VI FRRC 2008
  lecture: Antiplane contact problems in elasticity
• Seventh AIMS International Conference on Dynamical Systems, Differential Equations and Applications, Arlington, Texas, USA (May 18 - 21, 2008) DSDEA 2008
  lecture: A class of dynamic hemivariational inequalities modeling fully nonlinear viscoelastic contact problems

• Fifth Symposium on Nonlinear Analysis, Torun, Poland (September 10-14, 2007) SNA 2007
  lecture: Nonlinear impulsive evolution inclusions of second order
• Seminar "Around Calculus of Variations", Zakopane, Male Ciche, Poland (August 29 - September 1, 2007) Calculus 2007
  lecture: Gamma-convergence and optimal control problems
• Twenty Third IFIP TC 7 Conference on System Modeling and Optimization, Krakow, Poland (July 23-27, 2007) 23rd IFIP 2007
  lecture: On integrodifferential hemivariational inequalities for viscoelastic materials with long memory term
• EMS Conference on Geometric Analysis and Nonlinear PDE, Poznan, Bedlewo, Poland (June 3-10, 2007) GANPDE 2007
  lecture: Nonsmooth nonlinearities in contact mechanics

• Seminar "Maximum Principle - Various Points of View", Zakopane, Male Ciche, Poland (August 30 - September 2, 2006) Maximum 2006
  lecture: Maximum principle for vector-valued minimizers of some integral functionals
• Second International Conference on Nonsmooth/Nonconvex Mechanics with Applications in Engineering, Thessaloniki, Greece (July 7-8, 2006) NNMAE 2006
  lecture: Evolution hemivariational inequalities for Navier-Stokes type operators
• The AIMS Sixth International Conference on Dynamical Systems, Differential Equations and Applications, Poitiers, France (June 25-28, 2006) DSDEA 2006
  lecture: Evolution hemivariational inequalities for Navier-Stokes type operators (extended version)
• Workshop on Evolution Equations for Deterministic and Stochastic Systems, Vienna, Austria (June 5-8, 2006) RTN-workshop 2006
  lecture: A trial of unification in contact mechanics which leads to differential inclusion
• Fifth Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (May 29 - June 2, 2006) V FRRC 2006
  lecture: On some contact problems in mechanics
• Spring School on Variational Analysis, Paseky, Czech Republic (April 23-29, 2006) Paseky 2006
• Advanced School on Methods of Multivalued Analysis, Torun, Poland (February 15-18, 2006) MMA 2006

• Eighth WSEAS Conference on Applied Mathematics, Tenerife, Canary Islands, Spain (December 16-18, 2005)
  lecture: Viscoelastic bilateral contact problem involving Coulomb friction law
• Third German-Polish Conference on Optimization Methods and Applications, Poznan, Bedlewo, Poland (November 10-13, 2005)
  lecture: On some dynamic bilateral frictional contact problem in viscoelasticity
• Twenty Second IFIP TC7 Conference on System Modeling and Optimization, Torino, Italy (July 18-22, 2005)
  lecture: A model of viscoelastic contact problem with slip dependent friction
• Seminar "Sobolev Inequalities - Various Points of View", Zakopane, Male Ciche, Poland (June 16-19, 2005)
  lecture: On some viscoelastic contact problems in mechanics

• Advanced School on Nonsmooth Mechanics of Solids, Udine, Italy (October 4-8, 2004)
• Twelfth French-German-Spanish Conference on Optimization, Avignon, France, (September 20-24,2004)
  lecture: Hemivariational inequality for viscoelastic contact problem with slip dependent friction
• Workshop on Optimal Control of Ordinary Differential Equations dedicated to prof. Czeslaw Olech, Warsaw, Poland (August 30 - September 3, 2004)
• Fourth Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (June 7-11, 2004)
  lecture: Hemivariational inequalities for stationary Navier-Stokes equation
• Polish Seminar on Theory of Extremal Problems, Lodz, Poland (January 15, 2004)
  lecture: Control problems in hemivariational inequalities for Navier-Stokes equations

• Fourth WSEAS Conference on Applied Mathematics, Malta (September 1-3, 2003)
  lecture: Optimal control in superpotential for evolution hemivariational inequality
• Twenty First IFIP TC7 Conference on System Modeling and Optimization, Sophia Antipolis, France (July 21-25, 2003)
  lecture: Optimal control problems for evolution quasi-hemivariational inequality
• TMR Workshop on Evolution Equations for Deterministic and Stochastic Systems, Roscoff, France (May 19-23, 2003)
  lecture: On singularities of value functions for Boltza optimal control problem

• Banach Center Summer School on Mathematical Control Theory, Poznan, Bedlewo, Warsaw, Poland (September 2-20, 2002)
• The International Conference on Nonsmooth/Nonconvex Mechanics with Applications in Engineering, Thessaloniki, Greece (July 5-6, 2002)
  lecture: Existence of solutions to boundary parabolic hemivariational inequalities
• Third Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (June 10-14, 2002)
  lecture: Parabolic quasi-hemivariational inequalities

• Third Polish Conference on Methods and Computer Systems in Scientific Researches and Engineering Design, Krakow, Poland (November 19-21, 2001)
  lecture: Optimal control problems for hemivariational inequalities
• Summer School on Mathematical Control Theory, Trieste, Italy (September 3-28, 2001)
• Twentieth IFIP TC7 Conference on System Modeling and Optimization, Trier, Germany (July 23-27, 2001)
  lecture: Time optimal control problem for evolution hemivariational inequality
• Third Polish Symposium on Nonlinear Analysis, Lodz, Poland (January 29-31, 2001)
  lecture: Optimal control for distributed parameter systems described by hemivariational inequality of second order

• Second Symposium on Nonlinear Analysis, Torun, Poland (September 13-17, 1999)
  lecture: Optimal shape design for elliptic hemivariational inequalities

• Third School on Nonlinear Functional Analysis and Applications to Differential Equations, Trieste, Italy (October 12-30, 1998)
• Workshop on Evolution Equations: Existence, Regularity and Singularities, Warsaw, Banach Center, Poland (September 21- October 2, 1998)
• First Forum on Partial Differential Equations, Poznan, Bedlewo, Poland (June 7-10, 1998)
  lecture: Optimal control and identification of systems described by parabolic hemivariational inequalities

• Workshop on Differential Inclusions and Optimal Control, Warsaw, Banach Center, Poland (September 22 - October 3, 1997)

• Symposium on Ergodic Theory and Dynamical Systems, Warsaw, Banach Center, Poland
• Twelfth Conference on Computer Methods in Mechanics, Warsaw, Zegrze, Poland (May 9-13, 1995)

Research projects

• 20.01.2022-19.01.2026 (NCN nr 2021/41/B/ST1/01636)
  "Nonlinear Differential Variational-Hemivariational Inequalities with Applications" (OPUS 21)
• 18.04.2013-17.04.2019 (UMO-2012/06/A/ST1/00262)
  "Nonsmooth Systems in Mathematical Theory of Contact Mechanics" (Maestro Advanced Project)
• 26.05.2011-25.08.2014 (N N201 604640)
  "Hemivariational Inequalities - Asymptotic Behaviour of Solutions and its Applications"

• 30.09.2019-31.12.2023 (440328/PnH2/2019)
  Premium on the horizon: "Nonsmooth Contact Dynamics"
• 4.11.2015-5.04.2017 (3792/GGPJ/H2020/2017/0)
  "Grants for grants - support for Polish coordinators in EU research programs"
• 1.02.2015-26.04.2016 (3705/GGPJ/H2020/16/2017/0)
  "Grants for grants - support for Polish coordinators in EU research programs"
• 01.04.2012-31.03.2016 (W111/7.PR/2012)
  "Nonlinear inclusions, hemivariational inequalities with applications to contact mechanics" (international project co-financed by MNiSW)
• 1.01.2011-17.03.2011 (2360/GG 7.PRUE/2012/0)
  "Grants for grants - support for Polish coordinators in EU research programs"
• 10.05.2007-9.08.2010 (N201 027 32/1449)
  "Theory of Hemivariational Inequalities and its Applications"
• 7.04.2004-6.03.2007 (4 T07A 027 26)
  "Modeling of Multivalued Laws in Dynamic Contact Problems"
• 15.11.2003-14.11.2006 (2 P03A 003 25)
  "Hemivariational Inequalities: Theory and Applications in Mechanics"
• 1.08.2000-31.07.2002 (2 P03A 004 19)
  "Optimal Control Problems for Systems Governed by Partial Differential Equations and Hemivariational Inequalities: Existence and Characterization of Optimal Solutions"
• 1.01.2000-31.07.2002 (7 T07A 047 18)
  "Parameter Identification Problems in Modelling of Nonhomogeneous Media"
• 1.08.1998-31.07.2000 (2 P03A 040 15)
  "Optimal Shape Design Problems for Systems Governed by Partial Differential Equations and Hemivariational Inequalities"

• January 1, 2019 - June 30, 2024 (CONMECH, Grant Agreement No 823731)
  H2020-MSCA-RISE-2018 Research and Innovation Staff Exchange
  "Nonsmooth Contact Dynamics"
  project among nine universities: the Jagiellonian University in Krakow (Poland), University of Perpignan (France), Universidade da Coruna (Spain), Guangxi University of Nationalities in Nanning (P.R. China), Zhejiang University in Hangzhou (P.R. China), University of Iowa (USA), Oakland University in Rochester (USA), Asociacion Civil De Estudios Superiores (Argentina), Federation University (Australia)
• 2014-2015 (N° 31155YH)
  "Mathematical and Numerical Analysis for Contact Problems with Friction"
  project POLONIUM between the Jagiellonian University and Université de Perpignan Via Domitia
• April 1, 2012 - March 31, 2016 (CONTACT, Grant Agreement No 295118)
  FP7-PEOPLE-2011-IRSES (International Research Staff Exchange Scheme) (Marie Curie)
  "Nonlinear inclusions, hemivariational inequalities with applications to contact mechanics"
  project among six universities: the Jagiellonian University in Krakow (Poland), University of Perpignan (France), Guangxi University of Nationalities in Nanning (P.R. China), Zhejiang University in Hangzhou (P.R. China), University of Iowa (USA), Oakland University in Rochester, (USA)
• 2012-2014 (35-7)
  "Nonlinear differential equations for multivalued and nonsmooth systems with applications"
  the Bilateral Scientific and Technological Cooperation Program between Poland and China (project between the Jagiellonian University and Guangxi University for Nationalities, Nanning, Guangxi, P.R. China)
• 2009-2010 (7817/R09/R10)
  "Nonsmooth Analysis with Applications to Contact Mechanics"
  project POLONIUM between the Jagiellonian University and Université de Perpignan BE Pologne
• 2009-2010 (33-21)
  "Nonlinear Hemivariational Inequalities - Theory and Applications in Engineering Sciences"
  project between the Jagiellonian University and Central South University, Changsha, Hunan, P.R. China

• 1.10.2004-31.07.2005
  "Mathematical Modeling of Selected Problems in Mechanics"

• 2005 "Viscoelastic Contact Problems in Mechanics" (DBN-414/CRBW/VII-14/2005)
• 2004 "Optimal Control Problems on Hemivariational Inequalities for Navier-Stokes Equation" (DBN-414/CRBW/V-8/2004)
• 2003 "Optimal Control Problems for Evolution Quasi-hemivariational Inequalities" (DBN-414/CRBW/K-V-21/2003)
• 2002 "Optimal Control Problems for Hemivariational Inequalities" (N-25/CRBW-V-24/2002)
• 2001 "Aproximation of Optimal Control Problems for Hemivariational Inequalities" (N-25/CRBW-V-33/2001)

• 2009 "Nonlinear Analysis in Contact Mechanics"
• 2008 "Modeling of Contact Problems in Mechanics"
• 2006 "Mathematical Models of Contact Problems in Mechanics"
• 2005 "Viscoelastic Contact Problems in Mechanics"

• 2001 "Control in Superpotential for Systems Described by Hemivariational Inequalities"
• 2000 "Optimal Control for Hiperbolic Hemivariational Inequalities"
• 1999 "Numerical Solving of Hemivariational Inequalities"

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