Hartung Ferenc
szakmai önéletrajza
2016. december

Végzettség:

1986 május Okleveles matematikus, József Attila Tudományegyetem, Szeged
oklevél száma: 64/1986
1995 január PhD alkalmazott matematikából, University of Texas at Dallas, USA
Disszertáció címe: On classes of functional differential equations with state-dependent delays,  Témavezető: Janos Turi
1997 július PhD matematika tudományszakból, József Attila Tudományegyetem, Szeged, oklevél száma: TTK: 60/1997. R.sz. (külföldi PhD fokozat honosítása)
2010 december
habilitáció, Szegedi Tudományegyetem
2012 október
DSc (az MTA doktora)
Disszertáció címe: Differentiability of solutions with respect to parameters in differential equations with state-dependent delays

Munkahelyek:

1986 szept. - 1989 szept. tudományos segédmunkatárs
Szent-Györgyi Albert Orvostudományi Egyetem Számítástechnikai Központ
1989 okt. - 1993 júl. tudományos munkatárs
Szent-Györgyi Albert Orvostudományi Egyetem Számítástechnikai Központ (1991 augusztustól 1993 júliusig külföldi tanulmányúton)
1991 szept. - 1994 dec. Teaching Assistant (doktorandusz) 
University of Texas at Dallas, USA
1995 jan. - 1995 aug. Lecturer (óraadó tanár) 
University of Texas at Dallas, USA
1995 szept. - 1996 máj. Lecturer (óraadó tanár)
Virginia Polytechnic Institute & State University, USA
1996 jún. Research Associate
Virginia Polytechnic Institute & State University, USA
1996 aug. - 1998. febr. egyetemi adjunktus
Veszprémi Egyetem, Matematikai és Számítástechnikai Tanszék
1998 márc. - 2012 aug. egyetemi docens
Pannon Egyetem (korábbi nevén: Veszprémi Egyetem), Matematika Tanszék
2012 szept. - jelenleg egyetemi tanár
Pannon Egyetem, Matematika Tanszék

Szakmai érdeklődés:

Funkcionál-differenciálegyenletek, differenciaegyenletek, numerikus approximáció, paraméter becslés.

Publikációs lista hivatkozásokkal együtt az MTMT adatbázisból


Megjelent tudományos közlemények:

könyvrészlet:

  1. F. Hartung and J. Turi, Stability in a class of functional differntial equations with state-dependent delays, in Qualitative Problems for Differential Equations and Control Theory, ed. C. Corduneanu, Word Scientific, 1995, 15-31. (PDF)
  2. F. Hartung, T. Krisztin, H.-O. Walther, and J. Wu, Functional differential equations with state-dependent delay: theory and applications, in Handbook of Differential Equations: Ordinary Differential Equations, volume 3, edited by A. Canada, P. Drábek and A. Fonda, Elsevier, North-Holand, 2006, 435-545.
  3. I. Győri, F. Hartung, On the Exponential Stability of a Nonlinear State-Dependent Delay System, in Advances in Mathematical Problems in Engineering Aerospace and Sciences, vol.3, Advances in Nonlinear Analysis: Theory, Methods and Applications, ed. S. Sivasundaram, J. Vasundhara Devi, Z. Drici, F. Mcrae. Cambridge, UK: Cambridge Scientific Publishers Ltd, 2009, 39-48. (PDF)
  4. F. Hartung, J. Turi, Parameter Identification in a Respiratory Control System Model, in Batzel J J, Bachar M, Kappel F (ed.) Mathematical Modeling and Validation in Physiology: Applications to the Cardiovascular and Respiratory Systems, Berlin ; Heidelberg: Springer Verlag, 2013. pp. 105-118. (Lecture Notes in Mathematics; 2064.) Mathematical Biosciences Subseries( PDF)

referált nemzetközi folyóirat cikkek:

  1. F. Hartung and J. Turi, On the asymptotic behavior of the solutions of a state-dependent delay equation, Differential and Integral Equations, 8:7 (1995) 1867-1872. (PDF)
  2. I. Győri, F. Hartung and J. Turi, On numerical approximations for a class of differential equations with time- and state-dependent delays, Applied Mathematics Letters, 8:6 (1995) 19-24. (PDF)
  3. F. Hartung and J. Turi, On differentiability of solutions with respect to parameters in state-dependent delay equations, J. Differential Equations, 135:2 (1997) 192-237.  (PDF)
  4. F. Hartung, T. L. Herdman and J. Turi, On existence, uniqueness and numerical approximation for neutral equations with state-dependent delays, Applied Numerical Mathematics, 24:2-3 (1997) 393-409.  (PDF)
  5. F. Hartung and J. Turi, Identification of parameters in delay equations with state-dependent delays, J. Nonlinear Analysis: Theory, Methods and Applications, 29:11 (1997) 1303-1318.  (PDF)
  6. F. Hartung, On differentiability of solutions with respect to parameters in a class of functional differential equations, Functional Differential Equations, 4:1-2 (1997) 65-79.  (PDF)
  7. F. Hartung, T. L. Herdman and J. Turi, Parameter identification in classes of hereditary systems of neutral type, Applied Mathematics and Computation, 89 (1998) 147-160.  (PDF)
  8. I. Győri, F. Hartung and J. Turi, Preservation of stability in delay equations under delay perturbations, J. Math. Anal. Appl., 220 (1998) 290-312.  (PDF
  9. F. Hartung, T. L. Herdman and J. Turi, Parameter identifications in classes of neutral differential equations with state-dependent delays, J. Nonlinear Analysis: Theory, Methods and Applications, 39:3 (2000) 305-325. (PDF)
  10. I. Győri and F. Hartung, On the exponential stability of a state-dependent delay equation,  Acta Sci. Math. (Szeged), 66 (2000) 71-84. (PDF)
  11. I. Győri and F. Hartung, Stability in delay perturbed differential and difference equations, In Topics in Functional Differential and Difference Equations, Fields Institute Communications, Vol. 29 (2001) 181-194.  (PDF)
  12. I. Győri and F. Hartung, Preservation of stability in a linear neutral differential equation under delay perturbations, Dynamic Systems and Applications, 10 (2001) 225-242.  (PDF)
  13. F. Hartung, Parameter estimation by quasilinearization in functional differential equations with state-dependent delays: a numerical study, J. Nonlinear Analysis: Theory, Methods and Applications, 47:7 (2001) 4557-4566.  (PDF)
  14. I. Győri and F. Hartung, Numerical approximation of neutral differential equations on infinite interval, J. Difference Eqns Appl., 8:11 (2002) 983-999.  (PDF)
  15. I. Győri and F. Hartung, On equi-stability with respect to parameters in functional differential equations, Nonlinear Functional Analysis and Applications, 7:3 (2002) 329-351.  (PDF)
  16. I. Győri and F. Hartung, Stability analysis of a single neuron model with delay, J. Computational and Applied Mathematics, 157:1 (2003) 73-92.  (PDF)
  17. F. Hartung, Linearized Stability  in Periodic Functional Differential Equations with State-Dependent Delays, J. Computational and Applied Mathematics, 174 (2005) 201-211.  (PDF)
  18. I. Győri, F. Hartung, Fundamental solution and asymptotic stability of linear delay equations, Dyn. Contin. Discrete Impuls. Syst., 13:2 (2006) 261-288. (PDF)
  19. F. Hartung, T. Insperger, G. Stépán, J. Turi, Approximate stability charts for milling processes using semi-discretization, Applied Mathematics and Computation, 174:1 (2006) 51-73.  (PDF)
  20. F. Hartung, Differentiability of Solutions with respect to Parameters  in Neutral Differential Equations with State-Dependent Delays, J. Math. Anal. Appl.,324:1 (2006) 504-524.  (PDF)
  21. I. Győri, F. Hartung, Exponential Stability of a State-Dependent Delay System, Discrete and Continuous Dynamical Systems - Series A, 18:4 (2007) 773-791. (PDF)
  22. I. Győri, F. Hartung, Stability results for Cohen-Grossberg neural networks with delays, Int. J. Qualitative Theory of Differential Equations and Applications, 1:2 (2007) 142-156. (PDF)
  23. I. Győri, F. Hartung, On Numerical Approximation using Differential Equations with Piecewise-Constant Arguments, Periodica Mathematica Hungarica, 56:1 (2008) 55-69. (PDF)
  24. F. Hartung, Linearized Stability for a Class of Neutral Functional Differential Equations with State-Dependent Delays, J. Nonlinear Analysis: Theory, Methods and Applications, 69 (2008) 1629–1643. (PDF)
  25. I. Győri, F. Hartung, Asymptotically exponential solutions in nonlinear integral and differential equations, J. Differential Equations 249 (2010) 1322-1352. (PDF)
  26. F. Hartung, Differentiability of solutions with respect to the initial data in differential equations with state-dependent delays, Journal of Dynamics and Differential Equations, 23:4 (2011) 843-884, DOI 10.1007/s10884-011-9218-1. (PDF)
  27. I. Győri, F. Hartung, Asymptotic behavior of nonlinear difference equations, Journal of Difference Equations and Applications, 18:9 (2012) 1485-1509. DOI 10.1080/10236198.2011.574619. (PDF)
  28. E. Awwad, I. Győri, F. Hartung, BIBO stabilization of feedback control systems with time dependent delays, Applied Mathematics and Computation, 219 (2012) 1485-1509, doi:10.1016/j.amc.2012.09.065 (PDF)
  29. F. Hartung, On Differentiability of Solutions with respect to Parameters in Neutral Differential Equations with State-Dependent Delays, Annali di Matematica Pura ed Applicata, 192 (2013) 17-47. DOI 10.1007/s10231-011-0210-5. (PDF)
  30. F. Hartung, Parameter Estimation by Quasilinearization in Differential Equations with State-Dependent Delays, Discrete and Continuous Dynamical Systems-B, 18:6 (2013) 1611-1631. (PDF)
  31. F. Hartung, On second-order differentiability with respect to parameters for differential equations with state-dependent delays, Journal of Dynamics and Differential Equations, 25 (2013) 1089-1138. DOI 10.1007/s10884-013-9330-5.  (PDF)
  32. I. Győri, F. Hartung, N. A. Mohamady, On a nonlinear delay population model, Applied Mathematics And Computation, 270 (2015) 909-925. DOI 10.1016/j.amc.2015.08.090 (PDF)
  33. F. Hartung, Nonlinear variation of constants formula for differential equations with state-dependent delays, J. Dyn. Differ. Equ. (2015), DOI 10.1007/s10884-015-9445-y (PDF)
  34. F. Hartung, Differentiability of solutions with respect to the delay function in functional differential equations, Electron. J. Qual. Theory Differ. Equ. 2016, No. 73, 1-16
  35. I. Győri, F. Hartung, N. A. Mohamady, Existence and uniqueness of positive solutions of a system of nonlinear algebraic equations, Period. Math. Hung., (2016) DOI 10.1007/s10998-016-0179-3 (PDF)

konferenciakiadvány:

  1. I. Győri, F. Hartung and J. Turi, Stability in delay equations with perturbed time lags, Proceedings of the 32nd IEEE CDC, San Antonio, Texas, USA, 1993, 3829-3830.  (PDF)
  2. F. Hartung, T. L. Herdman and J. Turi, Identification of parameters in hereditary systems: a numerical study, Proceedings of the 3rd IEEE Mediterranean Symposium on New Directions in Control and Automation, Cyprus, July, 1995, 291-298.  (PDF)
  3. F. Hartung, T. L. Herdman and J. Turi, Identification of parameters in hereditary systems, Proceedings of ASME Fifteenth Biennial Conference on Mechanical Vibration and Noise, Boston, Massachusetts, September 1995, DE-Vol. 84-3, 1995 Design Engineering Technical Conferences, Vol 3 - Part C, ASME 1995, 1061-1066.  (PDF)
  4. I. Győri, F. Hartung and J. Turi, On the effects of delay perturbations on the stability of delay difference equations, Proceedings of the First International Conference on Difference Equations, San Antonio, Texas, May 1994, eds. S. N. Elaydi, J. R. Graef, G. Ladas and A. C. Peterson, Gordon and Breach, 1995, 237-253.   (PDF)
  5. I. Győri, F. Hartung and J. Turi, On numerical solutions for a class of nonlinear delay equations with time- and state-dependent delays, Proceedings of the World Congress of Nonlinear Analysts, Tampa, Florida, August 1992, Walter de Gruyter, Berlin, New York, 1996, 1391-1402.   (PDF)
  6. F. Hartung and J. Turi, Linearized stability in functional-differential equations with state-dependent delays, Proceedings of the conference Dynamical Systems and Differential Equations (Kennesaw, GA, 2000), added volume of Discrete and Continuous Dynamical Systems, 2001, 416-425.  (PDF)
  7. I. Győri and F. Hartung, On stability of neural networks with delays, Proceedings of the conference Science, Education and Society, Žilina, Slovak Republic, September 17-19, 2003, Section No. 7., Mathematics in Interdisciplinary Context, University of Žilina, 2003, 15-18.  (PDF)
  8. I. Győri, F. Hartung, Stability Results for Cellular Neural Networks with Delays, Proc. 7'th Colloq. Qual. Theory Differ. Equ., Electr. J. Qual. Theor. Diff. Equ, 13 (2004) 1-14.  (PDF)
  9. T. Insperger, G. Stépán, F. Hartung, J. Turi, State dependent regenerative delay in milling processes, in Proceedings of ASME International Design Engineering Technical Conferences, Long Beach CA, (2005), paper no. DETC2005-85282 (CD-ROM).  (PDF)
  10. F. Hartung and J. Turi, Identification of Parameters in Neutral Functional Differential Equations with State-Dependent Delays, Proceedings of 44th IEEE Conference on Decision and Control and European Control Conference ECC 2005, Seville, (Spain). 12-15 December 2005. (PDF)
  11. J. Radó, F. Hartung and P. Iványi, Studying the Quality Measures for Finite Element Meshes with Triangular Elements, Proceedings of the Sixth International Conference on Engineering Computational Technology, M. Papadrakakis and B.H.V. Topping, (Editors), Civil-Comp Press, Stirlingshire, Scotland, 2008, paper no. 54 (CD-ROM).
  12. J. Radó, P. Iványi and F. Hartung, Triangular Based Finite Element Mesh Smoothing, Triangular Based Finite Element Mesh Smoothing, Proceedings of the 26th International Conference Science in Practice, Osijek, Croatia, May 2008, J.J. Strossmayer Univ. of Osijek, 2008, 101-106.
  13. J. Radó, F. Hartung, P. Iványi, An Investigation of the Convergence of Mesh Smoothing, in B.H.V. Topping, L.F. Costa Neves, R.C. Barros, (Editors), Proceedings of the Twelfth International Conference on Civil, Structural and Environmental Engineering Computing, Civil-Comp Press, Stirlingshire, UK, Paper 282, 2009. doi:10.4203/ccp.91.282

szerkesztés

  1. F. Hartung, M. Pituk M (szerk.), Recent Advances in Delay Differential and Difference Equations, (94) Cham (Németország): Springer International Publishing, 2014. 263 p. (Springer Proceedings in Mathematics and Statistics; 94.) (ISBN:978-3-319-08250-9)

jegyzet, elektronikus jegyzet:

  1. Hartung F.: Bevezetés a numerikus analízisbe, egyetemi jegyzet (VE 1/1999), Veszprémi Egyetemi Kiadó, Veszprém, 1998; 2. kiadás: (VE 17/2004) 2004.
  2. Győri István, Hartung Ferenc, Előadásjegyzet a Matematikai analízis III. tárgyhoz. 180 oldal. 
  3. Hartung Ferenc, Előadásjegyzet a Differenciálegyenletek tárgyhoz. 109 oldal. 

 egyéb publikációk:

  1. Karsai J., Forczek E., Hartung F., The central clinical information system at SZOTE (in Hungarian), Proceedings of the 15th Colloquium on Computing and Cybernetical Methods in Medicine and Biology, 1990, 169--175.
  2. Pavelka Z., Hartung F., Karsai J.,The PDP-PC mailing system at SZOTE (poster, in Hungarian), Proceedings of the 15th Colloquium on Computing and Cybernetical Methods in Medicine and Biology, 1990.
  3. Hartung F., Karsai J., Tordai M., Barna I., The central patient archive at SZOTE (poster, in Hungarian), Proceedings of the 15th Colloquium on Computing and Cybernetical Methods in Medicine and Biology, 1990.
  4. Németh János, Hartung Ferenc, Deák Andrea, Forczek Erzsébet, Számítógépes ambuláns betegnyilvántartó rendszer. Szemészet, 129; 115-117, 1992.
  5. I. Győri, F. Hartung and J. Turi, Approximation of functional differential equations with time- and state-dependent delays by equations with piecewise constant arguments, Univ. of Minnesota, USA, IMA Preprint Series #1130, 1993.
  6. F. Hartung, On classes of functional differential equations with state-dependent delays, PhD dissertation, University of Texas at Dallas, 1995.  (PDF)
  7. F. Hartung, Differentiability of solutions with respect to parameters in differential equations with state-dependent delays, Dissertation submitted for the degree
    Doctor of the Hungarian Academy of Sciences (DSc), 2011.  (PDF)
  8. F. Hartung, On second-order differentiability with respect to parameters for differential equations with state-dependent delays, arXiv:1201.0269v1 [math.DS] 31 Dec 2011. http://arxiv.org/abs/1201.0269 

Konferencia előadások:

  1. Stability in delay equations with perturbed time lags, 32nd IEEE Conference on Decision and Control, San Antonio, Texas, USA, 1993. december.
  2. On the effects of delay perturbations on the stability of delay difference equations, First International Conference on Difference Equations, San Antonio, Texas, USA, 1994. május.
  3. Differentiability with respect to parameters in functional differential equations with state-dependent delays, 23rd Midwest Differential Equations Conference, Norman, Oklahoma, USA, 1994. október.
  4. On classes of differential equations with state-dependent delays,14th Southeastern Atlantic Regional Conference on Differential Equations, Knoxville, Tennessee, USA, 1994. október.
  5. 15th  Regional Conference on Differential Equations, Raleigh, North Carolina, USA, 1995. október.
  6. International Conference on Dynamical Systems & Differential Equations, Springfield, Missouri, USA, 1996. május.
  7. Conference on Dynamical Systems in Biology and Medicine, Veszprém, 1996. július.
  8. Fifth Colloquium on the Qualitative Theory of Differential Equations, Szeged, 1996. július.
  9. Parameter identification in functional differential equations with state-dependent delays, Functional Differential-Difference Equations and Applications, Antalya, Törökország, 1997. augusztus.
  10. On differentiability of solutions with respect to parameters in state-dependent delay equations, Equadiff 9, Conference on Differential Equations and their Applications, Brno, Csehország, 1997. augusztus. 
  11. Parameter identification in functional differential equations, Borůvka Mathematical Symposium, Brno-Valtice, Csehország, 1999 május. 
  12. Preservation of stability in functional differential equations under delay perturbations, Sixth Colloquium on the Qualitative Theory of Differential Equations, Szeged, 1999. augusztus.
  13. Parameter identification in functional differential equations with state-dependent delays, The Third World Congress of Nonlinear Analysts, Catania, Olaszország, 2000. július 19-26.
  14. Stability in delay perturbed differential equations, Brno Colloquium on Differential and Difference Equations, Brno, Csehország, 2000. szeptember 5-8. 
  15. Asymptotic stability of functional differential equations with state-dependent delays, Equadiff 10, Conference on Differential Equations and their Applications, Prága, Csehország, 2001. augusztus 27-31.
  16. Numerical Approximation of Neutral Differential Equations on Infinite Interval, Colloquium on Differential and Difference Equations, Brno, Csehország, 2002. szeptember 3-6.
  17. Stability in State-Dependent Delay Equations, Applied Mathematics and Application of Mathematics, Nice, France, 2003. február 10-13. (in invited section)
  18. On stability of functional differential equations with state-dependent delays, Fourth International Conference on Dynamic Systems and Applications, Atlanta, USA, 2003. május 21-24. (in invited section)
  19. On stability of neural network models, Seventh Colloquium on the Qualitative Theory of Differential Equations, Szeged Hungary, July 14-18, 2003.
  20. On numerical approximation using equations with piecewise constant arguments, Delay Differential and Difference Equations with Applications, Veszprém, Hungary, August 25-29, 2003.
  21. On differentiability of solutions of state-dependent FDEs with respect to parameters, Fifth International Conference on Dynamical Systems and Differential Equations, Pomona, CA, USA, June 16-19, 2004. (in invited section)
  22. On stability of neural networks with delays, Fourth World Congress of Nonlinear Analysts, Orlando, FL, USA, June 30-July 7, 2004. (in invited section)
  23. On differentiability of solutions with respect to parameters in neutral differential equations with state-dependent delays, Conference on Differential & Difference Equations and Applications, Melbourne, FL, USA, Aug 1-5, 2005 (in invited section).
  24. On the problem of linearization for functional differential equations with state-dependent delays, Sixth International Conference on Dynamical Systems and Differential Equations, Univerity of Poitiers, Poitiers, France, June 25-28, 2006 (in invited section).
  25. Linearized stability in neutral differential equations with state-dependent delays, The 5th International Conference on Differential Equations and Dynamical Systems, University of Texas-Pan American, Edinburg, Texas, USA, December 16-18, 2006 (meghívott szekció előadás).
  26. Linearized stability in functional differential equations with state-dependent delays, Eighth Colloquium on the Qualitative Theory of Differential Equations, Szeged Hungary, June 25-28, 2007 (meghívott szekció előadás).
  27. Neutral differential equations with state-dependent delays, EQUADIFF 2007, August 5-11, 2007 (meghívott szekció előadás).
  28. Neutral differential equations with state-dependent delays, Joint AARMS-CRM Workshop: Recent Advances in Functional and Delay Differential Equations, November 1-5, 2007, Halifax, Canada  (meghívott szekció előadás).
  29. On stability in functional differential equations with state-dependent delays, Fifth World Congress of Nonlinear Analysts Orlando, FL, USA, July 2-9, 2008 (meghívott szekció előadás).
  30. On linearized stability in state-dependent delay equations, International Conference on Differential and Difference Equations, July 14-17, 2008, Veszprém, Hungary.
  31. On linearized stability of neutral differential equations with state-dependent delays, Conference on Boundary Value Problems: Mathematical Models in Engineering, Biology and Medicine, Santiago de Compostela, Spain, September 15-20, 2008 (meghívott szekció előadás).
  32. On parameter dependence in functional differential equations with state-dependent delays, 7th International ISAAC Congress, Imperial College, London, United Kingdom, July 13-18, 2009 (meghívott szekció előadás).
  33. Parameter estimation by quasilinearization in functional differential equations with state-dependent delays, Workshop on delay differential equations: from theory to applications, Bristol, September 7-9, 2009 (meghívott előadás).
  34. On linearized stability in functional differential equations with state-dependent delays, International Workshop on State-Dependent Delay Equations, Dresden, Germany, October 12-16, 2009 (meghívott előadás).
  35. Asymptotic behavior of nonlinear Volterra integral equations, 8th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Dresden University of Technology, Dresden, Germany, May 25-28, 2010 (meghívott előadás)
  36. Smooth dependence of the solutions on initial data in state-dependent delay equations, Low dimensional structures in dynamical systems with variable time lags, American Institute of Mathematics, Palo Alto, California, USA, June 7-11, 2010 (meghívott előadás) 
  37. Asymptotic behavior of nonlinear difference equations, Progress on Difference Equations, Dublin, Ireland, May 23-27, 2011 (meghívott előadás)
  38. On second order differentiability with respect to parameters for differential equations with state-dependent delays, 9th Colloquium on the Qualitative Theory of Differential Equations, Szeged, June 28-July 1, 2011 (meghívott előadás)
  39. On differentiability of solutions with respect to parameters in neutral differential equations with state-dependent delays, Equadiff 2011, Loughborough, United Kingdom, August 1-5, 2011 (meghívott előadás)
  40. Parameter estimation by quasilinearization in differential equations with state-dependent delays, Szeged – Timişoara Workshop on Differential Equations, Szeged, April 20-22, 2012.
  41. Parameter estimation by quasilinearization in differential equations with state-dependent delays, Recent trends in delay differential equations: models, theory and numerics, June 4-8, 2012, Cortona, Italy (meghívott előadás).             
  42. Smooth dependence on parameters of solutions in functional differential equations with state-dependent delays, 6th European Congress of Mathematics, Mini-symposium Infinite-dimensional Dynamical Systems with Time Delays, Kraków, Poland, July 2-8, 2012 (meghívott előadás).
  43. Asymptotic behavior of nonlinear difference equations, 18th International Conference on Difference Equations and Applications, Barcelona, Spain, July 23–27, 2012 (meghívott előadás).
  44. On neutral differential equations with time-dependent delays, Szeged Dynamics Days, February 28-March 1, 2014.
  45. Well-posedness and parameter identification problems in a class of neutral differential equations with state-dependent delays, International Conference on Nonlinear Differential and Difference Equations: Recent Developments and Applications, Antalya, Turkey, May 27-30, 2014. (meghívott előadás)
  46. On neutral neutral differential equations with state-dependent delays, 10th AIMS Conference on Dynamical Systems, Differential Equations and Applications, Madrid, Spain, July 7-11, 2014. (meghívott előadás)
  47. On differentiability of solutions with respect to initial data in differential equations with state-dependent delays, Differential equations with variable delay Fields Institute, Toronto, Canada, May 4-8, 2015 (meghívott előadás)
  48. Nonlinear variation of constants formula for differential equations with state-dependent delays, 10th Colloquium on the Qualitative Theory of Differential Equations, Szeged, Hungary, 1-4 July, 2015 (meghívott előadás)
  49. Differentiability of solutions with respect to the delay function in functional differential equations, The 6th World Congress on Engineering and Technology, October 21-23, 2016, Shanghai, China

Szeminárium, workshop előadások:

  1. On classes of functional differential equations with state-dependent delays, Center for Applied Mathematics, Virginia Polytechnic Institute & State University, Blacksburg, Virginia, 1995. március.
  2. Állapotfüggő késleltetésű retardált differenciálegyenletek megoldásainak paraméter szerinti differenciálhatóságáról, JATE Bolyai Intézet Differenciálegyenletek Szemináriuma, 1997. március 13.
  3. Állapotfüggő késleltetésű neutrális differenciálegyenletek egy osztályáról, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Veszprém, 1997. június 19. 
  4. Paraméter becslés funkcionál-differenciálegyenletekre, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Győr, 1998. június 17. 
  5. Késleltetésben perturbált funkcionál-differenciálegyenletek stabilitásáról, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Veszprém, 1999. október 25.
  6. Állapotfüggő késleltetésű funkcionál-differenciálegyenletek megoldásainak paraméter szerinti differenciálhatóságáról, BME Differenciálegyenletek Tanszékének Szemináriuma, 2000. december 7.
  7. Matematika programcsomagok oktatása, Informatika és kommunikáció az oktatásban, Szombathely, 2001. március 29-31.
  8. Semi-discretization of functional differential equations modeling milling processes, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Veszprém, 2004. május 17.
  9. Fundamental solutions and asymptotic stability of linear delay equations, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Veszprém, 2004. május 17.
  10. On stability of linear delay seytems using perturbation methods, University of Texas at Dallas, Richardson, TX, USA, 2004. június 29.
  11. Állapotfüggő késleltetésű neutrális egyenletekről, JATE Bolyai Intézet Differenciálegyenletek Szemináriuma, 2005. február 10.
  12. Állapotfüggő késleltetésű neutrális differenciálegyenletek megoldásainak paraméter szerinti differenciálhatósága, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Veszprém, 2005. május 31.
  13. Applications of delay equations, 4-hour lecture at the Sarajevo Summer School on Mathematical Techniques in Modeling Physiological Systems, Sarajevo, Bosnia-Hercegovina, September 10-22, 2006.
  14. Linearizált stabilitás állapotfüggő késleltetésű egyenletekre, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Veszprém, 2006. október 11.
  15. On stability of delay systems using perturbation methods, Departmento de Matemática Aplicada, Uiversidad Nacional de Educación a Distancia (UNED), Madrid, Spain, 2006. október 30.
  16. On stability in functional differential equations with state-dependent delays, Department of Applied Mathematics II, University of Vigo, Vigo, Spain, 2006. október 31. 
  17. Linearized stability for neutral differential equations with state-dependent delays, Department of Mathematical Analysis, University of Santiago, Stantiago de Compostela, Spain, 2006. november 2.
  18. Matematika oktatás a Pannon Egyetemen, Matematika oktatás mérnök és műszaki informatikai képzésekben, Ráckeve, 2007. március 2-4.
  19. Neutrális állapotfüggő késleltetésű differenciálegyenletek, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Győr, 2007. október 5.
  20. Parameter estimation in functional differential equations with state-dependent delays, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Győr, 2009. május 22.
  21. Állapotfüggő késleltetésű differenciálegyenletek, Differenciálegyenletek, Tudományos ülés, MTA Székháza, 2009. május 27.
  22. Állapotfüggő késleltetésű differenciálegyenletek, MTA VEAB, Matematikai analízis és alkalmazásai munkabizottság ülése, Veszprém, 2009. szeptember 30.
  23. Asymptotically exponential solutions in nonlinear integral, differential and difference equations, University of Texas at Dallas, Richardson, TX, USA, 2010. március 2.
  24. On smooth dependence on parameters in functional differential equations with state-dependent delays, University of Texas-Pan American, Edinburg, TX, USA, 2010. április 10.
  25. On differentiability of solutions with respect to parameters in functional differential equations with state-dependent delays, University of Memphis, TN, USA, 2010. április 27.
  26. On differentiability of solutions with respect to parameters in functional differential equations with state-dependent delays, Virginia Polytechnic Institute & State University, Blacksburg, VA, USA, 2010. április 29.
  27. Állapotfüggő késleltetésű funkcionál-differenciálegyenletek megoldásainak differenciál-hatósága paraméterek szerint, ELTE, Alkalmazott Analízis és Számításmatematikai Tanszék Szemináriuma, 2010. november 15.
  28. On second order differentiability with respect to parameters of solutions to differential equations with state-dependent delays, University of Valladolid, Valladolid, Spain, 2011. április 19.
  29. Estimation of parameters in neutral differential equations with state-dependent delays using equations with piecewise constant arguments, Workshop on Delay Differential and Difference Equations, Veszprém, Hungary, July 17-18, 2014
  30. Differentiability of solutions with respect to the delay function in functional differential equations, Szeged School on Computational Tools for Delay Differential Equations, 9-11 September, 2016

Oktatási tevékenység:

Ösztöndíjak, kitüntetések:

Elnyert tudományos pályázatok:

Nyelvismeret: 

orosz középfokú állami nyelvvizsga, angol nyelvterületen szerzett diploma

Szakmai közéleti tevékenység:

PhD hallgató témavezetése:

Vezetői megbízások:

Személyes adatok:

születési dátum, hely: 1962. június 5., Budapest
nős (Mária), gyerekek: István és Éva