Konferenču tēzes:

Theses of conferences: 

Тезисы:  

1. I.Galiņa, Existence of a common fixed point for a family of nonexpansive mappings on a metric space // Prague 7'th Topological Symposium, 1991.

2. I.Bula, Analog of Bohl-Brouwer fixed point theorem for w-continuous mappings, and economics // Problems of Pure and Applied Mathematics, Tallinn (Estonia), 1995.

3. A.Liepiņš,  I.Bula, E.Etmanis,   Fixed points of mappings: generalizations of a notion, globalization of the conditions for existence, unpredictability //The 1st Latvian Mathematical conference, Riga, 1995, October 20-21, 28-29.

4. I.Bula, W-continuous functions in closed segment// The 2nd Latvian Mathematical conference, 1997, Riga, October 31-November 1, 8-9.

5. I.Bula, On strict convexity and fixed points// The 3nd Latvian Mathematical conference, Jelgava, 2000, April 14-15, 21-22.

6. I.Bula, On strict convexity in metric spaces // Ninth Prague Topological Symposium, Prague (Čehija), 2001.

7. I.Bula, Generalization of Arzela theorem for non-continuous functions // Function Spaces VI, Wroclaw (Polija), 2001.

8. I.Bula, Metriskas telpas ar apaļām lodēm // II Pasaules latviešu zinātnieku kongress, Rīga, 2001.

9. I.Bula, Fixed points in strictly convex metric spaces with round balls// 4-tā Latvijas Matemātikas biedrības konference, 2002,Ventspils.

10. I.Bula, Discontinuous functions in some economic models// 7-tā starptautiskā konference "Mathematical Modelling and Analysis", 2002, Kaariku, Igaunija.

11. I.Bula, Strikt konvexe metrische Raeume mit runden Kugeln// Deutsche Mathematiker-Vereinigung Jahrestagung, Halle (Saale), Vācija, 2002.

12. I.Bula, On discontinuous functions and their application to equilibria in Arrow-Debreu- Hahn model//12th European Workshop on General Equilibrium Theory, Bielefeld, Vācija, 2003.

13. I.Bula, On convexity in metric space// Vladislava Orlica (Wladyslaw Orlicz) simtgades un Funkciju telpas VII konference, 2003, 21.VII-25.VII, Poznaņa, Polija.

14. I.Bula, The use of w-discontinuous functions in models of economics// 5-tā Latvijas Matemātikas biedrības konference, 2004, Daugavpils, 6.-7.aprīlis.

15. I.Bula, A.Vintere   On the population model with a sine function// Abstracts of the 9th International Conference Mathematical Modelling and Analysis (MMA2004), May 29-31, Jūrmala, Latvija.

16. I.Bula, D.Rika  Arrow-Hahn economic models with weakened conditions of continuity// Game Theory and Mathematical economics, 2004, International Conference in Memory of Jerzy Loš (1920-1998), Warsaw, September 6-10, P.19-20.

17. I.Bula, N.Stepanova, I.Rumbeniece, 2005, Chaotic maps in symbol spaces.// XXV Dynamics Days Europe 2005, Berlin, Germany,  Book of Abstracts Europhysics Conference Series Vol. 29 E, P.93.

18. I.Bula,  Convexity and fixed points.// Abstracts of Intern. Conf. Fixed point theory and its applications (in Memory of  Jim Dugundji),  Mathematical Research and Conference Center Bedlewo, Polija, 2005, P.11.

19. I.Bula  On chaotic mappings, 6.Latvijas Matemātikas konference, Liepāja, 7.-8.aprīlis, 2006, P.15.

20. I.Bula, J.Buls, I.Rumbeniece  On chaotic maps in symbol space of one sided infinite sequences, 6.Latvijas Matemātikas biedrības konference, Liepāja, 7.-8.aprīlis, 2006, P.48.

21. I.Bula.  On course of chaotic dynamics. - Teaching mathematics: retrospective and perspectives, 7th international conference May 12-13, 2006, P.12-13, Tartu, Igaunija.

22. S.Lemša, I.Bula. On Hicks model in Latvia. - Abstracts of the 11th International Conference Mathematical Modelling and Analysis (MMA2006), 2006, May 31 –June3, P. 45, Jūrmala, Latvija.

23. I.Bula  On fixed point theorems in strictly convex metric spaces with round balls, Function Spaces VIII, P. 21, July 2-7, 2006, Mathematical Research and Conference Center Bedlewo, Polija.

24. I.Rumbeniece, I.Bula  On chaotic maps in bi-infinite symbol space, Function Spaces VIII, P. 48, July 2-7, 2006, Mathematical Research and Conference Center Bedlewo, Polija.

25. I.Bula, J.Buls, I.Rumbeniece  On chaotic maps in symbol space of one sided infinite sequences, Tenth Prague topological Symposium, P. 71-72, Prague, August 13-19, 2006, Čehija.

26. I.Bula. Vai datorzinātnei vajadzīga matemātiskā analīze? Starpaugstskolu zinātniski praktiskā un mācību metodiskā konference  ''Mūsdienu izglītības problēmas'', Rīga, 2007.gada 22. - 23. februāris, 56. lpp.

27. I.Bula. Slide show in learning process. 8. starptautiskā konference  ''Matemātikas mācīšana: vēsture un perspektīvas''. Tēžu krājums, Rīga, 2007. gada 10. - 11. maijs, lpp. 13. 

28. I.Bula. W-upper semicontinuous multivalued mappings and Kakutani theorem. Fifth Symposium on Nonlinear  Analysis, Polija, Toruņ, 10-14 IX 2007.

29. I.Bula, Simbolu telpas un vienības intervāla haotiski attēlojumi, 7.Latvijas Matemātikas biedrības konference, Rēzekne, 18.-19.aprīlis, 2008, P.48.

30. I.Bula, Difference equations in economics, 13th Int. Conference on Mathematical Modelling and Analysis and 3th Int. Conference on Approximation Methods and Orthogonal Expansions, Kaariku, Igaunija, 4.-7.jūnijs, 2008, P.19.

31. I.Bula, Topologicsal semi-conjugacy and chaotic mappings, Sixth EUROMECH Nonlinear Dynamics Conference (ENOC 2008), Saint Petersburg, Krievija, 2008, 30.jūnijs-4.jūlijs, P.86.

32. I.Bula, J.Buls, I.Rumbeniece, Why can we detect the chaos?  Int. Symposium Rare Attractors and Rare Phenomena in Nonlinear Dynamics, Rīga-Jūrmala, 8.-12.septembris, 2008, P.14-17.

33. I.Bula, Construction of chaotic systems using conjugacy of mappings, Winter Conference 2009 on Difference Equations, Homburg/Saar, Vācija, 08.01. - 12.01.2009.

34. I.Bula, I.Rumbeniece, Construction of chaotic dynamical system, Abstracts of MMA2009, May 27-30, 2009, Daugavpils, P.15.

35. I.Bula, On fractal dimension //8.Latvijas Matemātikas biedrības konference, Valmiera, 9.-10.aprīlis, 2010, P.15.

36. A.Aņisimova, I.Bula, On dynamics of second order rational difference equations //8.Latvijas Matemātikas biedrības konference, Valmiera, 9.-10.aprīlis, 2010, P.4.

37. I.Rumbeniece, I.Bula, J.Buls, K-switch mappings in symbol space //8.Latvijas Matemātikas biedrības konference, Valmiera, 9.-10.aprīlis, 2010, P.52.

38. I.Bula, Slide show in learning process of mathematics in high school //11th International conference Teaching Mathematics: Retrospective and Perspectives, May 6-7, 2010, Daugavpils, Latvia, P.14.

39. I.Bula, On the second-order quadratic rational diference equations// Abstracts of Mathematical Modelling and Analysis, May 26-29, 2010, Druskininkai, Lithuania, P.11.

40. A.Aņisimova, I.Bula, On the some second-order rational difference equations problems //16th International conference on Difference Equations and Applications, July 19-23, 2010, Riga, Latvia, P.10.

41. I.Bula, Difference equations as mathematical subject of teaching and research //The 12th International Conference Teaching Mathematics: Retrospective and Perspectives, May 5-6, 2011, Šiauliai University, Lithuania.

42. A.Aņisimova, I.Bula, Some problems of quadratic rational diference equations //Abstracts of Mathematical Modelling and Analysis, May 25-28, 2011, Sigulda, Latvia, P.3.

43. M.Avotiņa, I.Bula, Some problems of second-order rational diference equations// Abstracts of Mathematical Modelling and Analysis, May 25-28, 2011, Sigulda, Latvia, P.

44. V.Duka, I.Bula, I.Liepiņa, Molecular modeling as a discrete dynamical system //Abstracts of Mathematical Modelling and Analysis, May 25-28, 2011, Sigulda, Latvia, P.38.

45. I.Bula, Periodic solutions of neural network models //Abstracts of International Conference on Differential Equations, 1-5 August 2011, Loughborough, UK, P.119.

46. I. Bula, Periodicity of solutions of single neuron models, 9.Latvijas Matemātikas konference, Jelgava, 30. -31. marts, 2012, P. 14.

47. M. Avotiņa, A. Aņisimova, I. Bula, Difference equations and discrete dynamical systems - two sides of one whole. The 13th International Conference Teaching Mathematics: Retrospective and Perspectives, Tartu, Estonia, 30.May -1.June, 2012.

48. A. Aņisimova, I. Bula, Periodic orbits of single neuron models I. Abstracts of Mathematical Modelling and Analysis, Tallinn, Estonia, June 6 - 9, 2012, P.12.

49. M. Avotiņa, I. Bula, Periodic orbits of single neuron models II. Abstracts of Mathematical Modelling and Analysis, Tallinn, Estonia, June 6 - 9, 2012, P.17.

50. I. Bula, On the second order quadratic rational diference equation x(n+1)=alpha/(1+x(n))x(n-1). 18th International Conference on Difference Equations and Applications (ICDEA), Barcelona, Spain, July 23-27, 2012, P.31.

51. M.Avotiņa, I.Bula, Stability of Single Neuron Models. Abstracts of A2013&AMOE2013, May 27-30, 2013, Tartu, Estonia.

52. I.Bula, A.Aņisimova, Chaotic Behaviour of a Single Neuron Model. Abstracts of MMA2013&AMOE2013, May 27-30, 2013, Tartu, Estonia.

53. A.Anisimova, M.Avotina, I.Bula, Behavior of Solutions of Some Single Neuron Model. Abstacts of 19th Intern. Conf. on Difference Equations & Applications, May 26-30, 2013, Muscat, Oman.

54. A.Anisimova, I.Bula, Some Problems of Second-order Rational Difference Equations with Quadratic Terms. Abstracts of Progress on Difference Equations, 21-26 July, 2013, Bialystok, Poland.

55. M.Avotina, I.Bula, Some Problems of Rational Difference Equations. Abstracts of Progress on Difference Equations, 21-26 July, 2013, Bialystok, Poland.

56. I.Bula, D.Redīza, Income Model with Chaotic Behaviour. Abstracts of Symposium on Differential Equations and Difference Equations. 1st-5th September, 2013, Bayrischzell, Germany.

57. T.Akmens, I.Bula, Problem of Forbidden Set. Abstracts of the 10th Latvian Mathematical Conference and the 2nd International Conference on High Performance Computing and Mathematical Modelling, April 11-12, 2014, Liepaja University, Latvia, P. 11.

58. I.Bula, A.Anisimova, M.Avotina, Neurons Modelling. Abstracts of the 10th Latvian Mathematical Conference and the 2nd International Conference on High Performance Computing and Mathematical Modelling, April 11-12, 2014, Liepaja University, Latvia, P. 22.

59. M.Avotiņa, I.Bula, Discrete Modelling of Two Neurons. Abstracts of Mathematical Modelling and Analysis, Druskininkai, Lithuania, May 26 - 29, 2014, P.6.

60. A.Šuste, I.Bula, Discrete - time epidemic models. Abstracts of the 20th International Conference on Mathematical Modelling and Analysis, May 26 - 29, 2015, Sigulda, Latvia, p. 86.

61. M.Avotiņa, I.Bula, Discrete modelling of neurons. Abstracts of the 20th International Conference on Mathematical Modelling and Analysis, May 26 - 29, 2015, Sigulda, Latvia, p.7.

62. M.Avotiņa, I.Bula, Relationship between the root -1 of a characteristic equation and period-two solutions. The 21st International Conference on Difference Equations and Applications. Abstracts. 19-25 July 2015, Bialystok, Poland. P.21-22.

63. I.Bula, M.A.Radin, About orbits of a neuron model with a periodic internal decay rate. The 21st International Conference on Difference Equations and Applications. Abstracts. 19-25 July 2015, Bialystok, Poland. P.32-33.

64. A.Šuste, I.Bula, On some discrete-time epidemic model with an exponent. The 21st International Conference on Difference Equations and Applications. Abstracts. 19-25 July 2015, Bialystok, Poland. P.115-116.

65. I.Bula, About some open problems of difference equations with convergent sequence of coefficients. Abstracts of the 11th Latvian Mathematical Conference, April 15-16, 2016, Daugavpils, Latvia, P.14.

66. E.Mūrniece, I.Bula, Sensitivity analysis of matrix games. Abstracts of the 11th Latvian Mathematical Conference, April 15-16, 2016, Daugavpils, Latvia, P.44.

67. M.Radin, I.Bula, About neuron model with periodic with period two internal decay rate. Abstracts of the 11th Latvian Mathematical Conference, April 15-16, 2016, Daugavpils, Latvia, P.67.

68. M.Radin, I.Bula, N.Wilkins, About neuron model with period three internal decay rate. Abstracts of Progress on Difference Equations, PODE2016, May 17–20,2016,Riga,Latvia.

69. I.Bula, M.A.Radin, About neuron model with period two and three internal decay rate. The 22nd International conference on Difference Equations and Applications, July 24 - 29, 2016, Osaka, Japan, P.19.

70. I.Bula, About Mistakes in Student Works. Abstracts Book of 18th conference Teaching mathematics: retrospective and perspectives, May 12 to May 13, Riga, Latvia, 2017.

71. I.Bula, Periodic and eventually periodic solutions of a single neuron model. 11th PODE 2017 International Conference "Progress on Difference Equations", May 29-31, 2017, Urbino, Italy : 2017. P.14-15. , URL: http://www.mdef.it/fileadmin/user_upload/mdef/images/BookletPODE2017.pdf

72. I.Bula, M.Avotiņa, Some Properties of Difference Equations with Infinitely Many Cycles with Period Two. 23rd International Conference on Difference Equations and Applications (ICDEA 2017), July 24-28, Timi?oara, Romania : Abstracts Book Timi?oara, 2017. P.51. , URL: https://icdea2017.uvt.ro/wp-content/uploads/2014/07/Abstracts-Book.pdf

73. I.Bula, M.A.Radin, Discrete Neuron Model using piece-wise difference equations with a periodic internal decay rate with various periods. 23rd International Conference on Difference Equations and Applications (ICDEA 2017), July 24-28, Timi?oara, Romania : Abstracts Book Timi?oara, 2017 P.115.

14.11.2017.