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Khachatryan, Khachatur Aghavardovich

 Statistics Math-Net.Ru Total publications: 58 Scientific articles: 58 Presentations: 10

 Number of views: This page: 33586 Abstract pages: 28917 Full texts: 4616 References: 2498
Professor
Doctor of physico-mathematical sciences (2011)
Speciality: 01.01.02 (Differential equations, dynamical systems, and optimal control)
Birth date: 1.07.1982
Phone: +374 (10) 27 43 49, +374 (10) 56 72 64, +374 (91) 300 251 (ìîá.)
Fax: +374 (10) 58 15 97
E-mail: ,
Keywords: Sobolev space, Carathéodory condition, Wiener–Hopf operator.
UDC: 517.968, 517.958, 517.968.4, 517.968.48, 517.968.74, 517.968.43, 517.988.63, 517.968.22, 512.625.5, 517.958:57
MSC: 45Gxx, 35XX, 35G55, 35G50, 45G05, 45M20, 65R20,35G55, 35G50, 35Q20, 82B40, 45J05, 45G10, 65R20, 60E05, 76P05

Subject:

Hammerstein and Urysohn types nonlinear integral and integro-differential equations.

Biography

Education and scientific degree:

• 1998 ¹ 1, Phys-Math. school at Yerevan State University (certificate with honours)

• 2004 Yerevan State University, Mathematical department (diploma with honours)

• 2004–2006 Aspirantura, the Yerevan State University (Scientific adviser – Prof. N.B. Yengibaryan)

• 2006 Candidate of Scienece (=PhD) in Physics and Mathematics

Dissertation: “On factorization methods for solution of some classes of integral and integro-differential equations on half line”, (A.01.02, Differential Equations), Yerevan State University.

• 2011 Doctor of Science in Physics and Mathematics ( =Habilitation)

Dissertation: “Questions of solvability of some nonlinear integral and integro-differential equations with noncompact operators in critical case”, (A.01.02, Differential Equations), Yerevan State University.

2005–present Department of Methods of Mathematical Physics, Institute of Mathematics NAS, Armenia

2016–present Head Scientist researcher in Department of Methods of Mathematical Physics, Institute of Mathematics NAS, Armenia ,

2018-- professor,

Teaching:

2004–2006, 2012–present

General courses Mathematical Analysis, Differential Equations, Mathematical Physics, Calculus of Variations, Optimal Control,

Special courses

Positive Solutions of Operator Equations, Convolution type Integral Equations, Nonlinear Analysis,

at the Departments of Mathematics and Mechanics, Computational Mathematics and Informatics of Yerevan State University.

Publication:

69 papers and 25 theses.

Conferences, International collaboration:

• 2002 ISAAC conference on Complex analysis Differential equations and Related topics. Yerevan, Armenia

• 2004 International Workshop Global and Geometric aspects of nonlinear PDF. Yerevan, Armenia

• 2005 International Conference Harmonic Analysis and Approxinations. Tsaghkadzor, Armenia

• 2006 Russian-Armenia Workshop Mathematical physics and Related topics. Yerevan, Armenia

• 2008 Second russian-Armenian Workshop Mathematical physics, complex analisis and Related topics, Moscow, Russia

• 2008 International conference Multivariate statistical analysis and Econometrics. Moscow, Russia

• 2009 Inernational conference p-adic mathematical physics Hrodno (Belarus)

• 2010 Third russian-Armenian Workshop on Mathematical physics, complex analysis, and related topics. Tsaghkadzor, Armenia

• 2012 Third International Conference on Mathematical Physics and Its Applications (Russia, Samara), Steklov Mathematical Institute of the Russian Academy of Sciences, Samara State Technical University,Samara State University.

• 2012 4th Russian-Armenian workshop on mathematical physics, complex analysis and related topics, Krasnoyarsk, Russia, Siberian Federal University, Steklov Mathematical Institute of Russian Academy of Sciences, Institute of Mathematics of National Academy of Sciences of Republic of Armenia.

• 2013 International Conference "Mathematical Physics. "Vladimirov-90" dedicated to the 90th anniversary of academician V. S. Vladimirov, November 13, Moscow, Steklov Mathematical Institute of RAS.

• 2014 4th International Conference on Mathematical Physics and Its Applications (Russia, Samara), Steklov Mathematical Institute of the Russian Academy of Sciences, Samara State Technical University,Samara State University.

• 2014 5th Russian-Armenian workshop on mathematical physics, complex analysis and related topics, Yerevan, Republic of Armenia, Institute of Mathematics of National Academy of Sciences of , Steklov Mathematical Institute of Russian Academy of Sciences.

• 2016 6th Russian-Armenian Workshop on Mathematical Analysis, Mathematical Physics and Analytical Mechanics" September 11–16, 2016, Rostov-na-Donu. Steklov Mathematical Institute of Russian Academy of Sciences, Moscow Southern Federal University, Rostov-on-Don. Institute of Mathematics, National Academy of Sciences of Armenia, Yerevan Don State Technical University, Rostov-on-Don.

Scope of scientific interests:

Nonlinear Analysis, integral and integro-differential equations with Hammerstein and Urysohn type operators. Convolution type integral equations, the theory of factorization of integral and integro-differential operators. Boltzmann equation.

PhD Students:

1. Marine Broyan (2009–2013),

Dissertation: “Questions of solvability of nonlinear integral and Integro-Differential Equations with noncompact operators and their discrete analogy” (A.01.02, Differential Equations), Yerevan, SEUA, 2013, PhD,

2. Haykanush Petrosyan (2012–2015)

Dissertation: “Some integral and integro-Differential Equations with Hammerstein Type noncompact operators on semi-axis” (A.01.02, Differential Equations and Mathematical Physics), Yerevan State University, 2015, PhD,

3. Tigran Sardaryan (2013– 2016)

Dissertation: "The issues of global solvability for some nonlinear problems of physical kinetics" (A.01.02, Differential Equations and Mathematical Physics), Yerevan State University, 2016, PhD,

4. Hermine Azizyan (2013– 2016)

Dissertation: "The Issues of Solvability for some convolution type integral and integro-differential equations", (A.01.02, Differential Equations and Mathematical Physics), Yerevan State University, 2016, PhD.

5. Arpenik Kroyan (2014–present)

Awards and prizes:

• 1997 First prize in Republic mathematical olympiad between lyceums,

• 2003, 2004 Scholarship of "Research Mathematics" foundation,

• 2003 First prize of competition the "best student" of YSU,

• 2013 Laureate of the first prize after Sergey Mergelyan for young scientist (Mathematics and Informatics),

• 2013 Laureate of the first prize “Best scientific work for young scientist”, (Mathematics and Mechanics), National Academy of Sciences of Armenia,

• 2013 Winner of “Research Support Program of young Scientist-2013”, (Mathematics ), State Committee of Sciences of Armenia, Ministry of Education and Science,

• 2014 Winner of “Productive Scientist-2014”, Section on Natural Sciences (Top 100), State Committee of Sciences of Armenia, Ministry of Education and Science.

• 2016 Winner of “Productive Scientist-2016”, Section on Natural Sciences (Top 100), State Committee of Sciences of Armenia, Ministry of Education and Science.

• 2016 Winner of “Research Support Program of young Scientist-2016”, (Mathematics ), State Committee of Sciences of Armenia, Ministry of Education and Science

• 2018 Winner of “Productive Scientist-2018”, Section on Natural Sciences (Top 100), State Committee of Sciences of Armenia, Ministry of Education and Science.

• 2019 The President Prize of the Republic of Armenia (Development of Natural Sciences) https://www.presidentprize.am/en/313_0

2019-- 2021 The main performer of the grant of the Russian Science Foundation (project No. 19-11-00223)

2020 Winner of “Productive Scientist-2020”, Section on Natural Sciences (Top 100), State Committee of Sciences of Armenia, Ministry of Education and Science.

Scientific-organizational responsibilities:

• Member of the Academic Council of Institute of Mathematics of National Academy Sciences Armenia

• Member of Armenian Mathematical Union

• Member of specialized Committee on Mathematics ¹050 at Yerevan State University.

• Member of the Editorial Board of the Journal of Contemporary Mathematical Analysis

Interview with Kh.A.Khachatryan: http://www.mediamax.am/en/news/mathart/24840

Family status:

2004 Married Marianna Bareghamyan, 2 children, 1 son (Aghavard) and 1 daughter (Anahit).

http://www.mathnet.ru/eng/person27540
 2020 1. A. Kh. Khachatryan, Kh. A. Khachatryan, “On solvability of one infinite system of nonlinear functional equations in the theory of epidemics”, Eurasian Math. J., 11:2 (2020),  52–64 2. Kh. A. Khachatryan, “Existence and uniqueness of solution of a certain boundary-value problem for a convolution integral equation with monotone non-linearity”, Izv. RAN. Ser. Mat., 84:4 (2020),  198–207 3. Kh. A. Khachatryan, H. S. Petrosyan, “On the construction of an integrable solution to one class of nonlinear integral equations of Hammerstein-Nemytskii type on the whole axis”, Trudy Inst. Mat. i Mekh. UrO RAN, 26:2 (2020),  278–287 4. Kh. A. Khachatryan, H. S. Petrosyan, “On the Solvability of a Class of Nonlinear Hammerstein–Stieltjes Integral Equations on the Whole Line”, Tr. Mat. Inst. Steklova, 308 (2020),  253–264    ; Proc. Steklov Inst. Math., 308 (2020), 238–249 2019 5. Kh. A. Khachatryan, “The solvability of a system of nonlinear integral equations of Hammerstein type on the whole line”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 19:2 (2019),  164–181 6. A. G. Sergeev, Kh. A. Khachatryan, “On the solvability of a class of nonlinear integral equations in the problem of a spread of an epidemic”, Tr. Mosk. Mat. Obs., 80:1 (2019),  113–131    ; Trans. Moscow Math. Soc., 80 (2019), 95–111 7. A. Kh. Khachatryan, Kh. A. Khachatryan, “On the Solvability of Some Nonlinear Integral Equations in Problems of Epidemic Spread”, Tr. Mat. Inst. Steklova, 306 (2019),  287–303    ; Proc. Steklov Inst. Math., 306 (2019), 271–287 8. Kh. A. Khachatryan, “Solvability of some classes of nonlinear singular boundary value problems in the theory of $p$-adic open–closed strings”, TMF, 200:1 (2019),  106–117    ; Theoret. and Math. Phys., 200:1 (2016), 1015–1025 9. A. Kh. Khachatryan, Kh. A. Khachatryan, “A uniqueness theorem for a nonlinear singular integral equation arising in $p$-adic string theory”, Proceedings of the YSU, Physical and Mathematical Sciences, 53:1 (2019),  17–22 2018 10. Kh. A. Khachatryan, S. M. Andriyan, A. A. Sisakyan, “On the solvability of a class of boundary value problems for systems of the integral equations with power nonlinearity on the whole axis”, Bul. Acad. Ştiinţe Repub. Mold. Mat., 2018, 2,  54–73 11. Kh. A. Khachatryan, “On the solubility of certain classes of non-linear integral equations in $p$-adic string theory”, Izv. RAN. Ser. Mat., 82:2 (2018),  172–193    ; Izv. Math., 82:2 (2018), 407–427 12. Kh. A. Khachatryan, H. S. Petrosyan, “One initial boundary-value problem for integro-differential equation of the second order with power nonlinearity”, Izv. Vyssh. Uchebn. Zaved. Mat., 2018, 6,  48–62  ; Russian Math. (Iz. VUZ), 62:6 (2018), 43–55 13. Kh. A. Khachatryan, “On the solvability of a boundary value problem in $p$-adic string theory”, Tr. Mosk. Mat. Obs., 79:1 (2018),  117–132    ; Trans. Moscow Math. Soc., 2018, 101–115 14. Kh. A. Khachatryan, H. S. Petrosyan, M. H. Avetisyan, “Solvability issues for a class of convolution type nonlinear integral equations in $\mathbb {R}^n$”, Trudy Inst. Mat. i Mekh. UrO RAN, 24:3 (2018),  247–262 15. A. Kh. Khachatryan, Kh. A. Khachatryan, “Solvability of a nonlinear integral equation in dynamical string theory”, TMF, 195:1 (2018),  44–53    ; Theoret. and Math. Phys., 195:1 (2018), 529–537 16. S. M. Andriyan, A. K. Kroyan, Kh. A. Khachatryan, “On solvability of class of nonlinear integral equations in $p$-adic string theory”, Ufimsk. Mat. Zh., 10:4 (2018),  12–23  ; Ufa Math. J., 10:4 (2018), 12–23 17. Kh. A. Khachatryan, A. K. Kroyan, “The existence of odd solution for one boundary-value problem with power nonlinearity”, Sib. J. Pure and Appl. Math., 18:4 (2018),  88–96 2017 18. Kh. A. Khachatryan, T. H. Sardaryan, “On solvability of one class of Urysohn type nonlinear integral equation on the whole line”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 17:1 (2017),  40–50 19. Kh. A. Khachatryan, “On the solvability of one class of two-dimensional Urysohn integral equations”, Mat. Tr., 20:2 (2017),  193–205    ; Siberian Adv. Math., 28:3 (2018), 166–174 20. A. Kh. Khachatryan, Kh. A. Khachatryan, “A one-parameter family of positive solutions of the non-linear stationary Boltzmann equation (in the framework of a modified model)”, Uspekhi Mat. Nauk, 72:3(435) (2017),  191–192      ; Russian Math. Surveys, 72:3 (2017), 571–573 21. Kh. A. Khachatryan, H. S. Petrosyan, A. A. Sisakyan, “On the nontrivial solvability of one class of nonlinear integral equations of the Urysohn type”, Trudy Inst. Mat. i Mekh. UrO RAN, 23:2 (2017),  266–273 22. Kh. A. Khachatryan, M. H. Avetisyan, “On solvability of an infinite nonlinear system of algebraic equations with Teoplitz–Hankel matrices”, Proceedings of the YSU, Physical and Mathematical Sciences, 51:2 (2017),  158–167 23. Kh. A. Khachatryan, H. S. Petrosyan, “One parameter families of positive solutions of some classes of convolution type nonlinear integral equations”, Sib. J. Pure and Appl. Math., 17:1 (2017),  91–108  ; J. Math. Sci., 231:2 (2018), 153–167 2016 24. A. Kh. Khachatryan, Kh. A. Khachatryan, “Some problems concerning the solvability of the nonlinear stationary Boltzmann equation in the framework of the BGK model”, Tr. Mosk. Mat. Obs., 77:1 (2016),  103–130    ; Trans. Moscow Math. Soc., 77 (2016), 87–106 25. A. Kh. Khachatryan, Kh. A. Khachatryan, “Solvability of a nonlinear model Boltzmann equation in the problem of a plane shock wave”, TMF, 189:2 (2016),  239–255      ; Theoret. and Math. Phys., 189:2 (2016), 1609–1623 26. H. H. Azizyan, Kh. A. Khachatryan, “One-parametric family of positive solutions for a class of nonlinear discrete Hammerstein–Volterra equations”, Ufimsk. Mat. Zh., 8:1 (2016),  15–21    ; Ufa Math. J., 8:1 (2016), 13–19 27. Kh. A. Khachatryan, Ts. E. Terjyan, M. F. Broyan, “On solvability of a Hammerstein–Voltera type nonlinear system of integral equations in critical case”, Vladikavkaz. Mat. Zh., 18:4 (2016),  71–79 2015 28. A. Kh. Khachatryan, Kh. A. Khachatryan, “Solvability of a nonlinear integral equation arising in kinetic theory”, Bul. Acad. Ştiinţe Repub. Mold. Mat., 2015, 2,  36–41 29. Kh. A. Khachatryan, “Positive solubility of some classes of non-linear integral equations of Hammerstein type on the semi-axis and on the whole line”, Izv. RAN. Ser. Mat., 79:2 (2015),  205–224        ; Izv. Math., 79:2 (2015), 411–430 30. Aghavard Kh. Khachatryan, Khachatur A. Khachatryan, Tigran H. Sardaryan, “On solvability of one class of nonlinear integral-differential equation with Hammerstein non-compact operator arising in a theory of income distribution”, J. Sib. Fed. Univ. Math. Phys., 8:4 (2015),  416–425 31. K. A. Khachatryan, T. E. Terdzhyan, “On the solvability of one class of nonlinear integral equations in $L_1(0,+\infty)$”, Mat. Tr., 18:1 (2015),  190–200      ; Siberian Adv. Math., 25:4 (2015), 268–275 2014 32. A. Kh. Khachatryan, Kh. A. Khachatryan, T. H. Sardaryan, “On One Nonlinear Boundary-Value Problem in Kinetic Theory of Gases”, Zh. Mat. Fiz. Anal. Geom., 10:3 (2014),  320–327 33. Kh. A. Khachatryan, “On positive solutions of one class of nonlinear integral equations of Hammerstein–Nemytskiĭ type on the whole axis”, Tr. Mosk. Mat. Obs., 75:1 (2014),  1–14    ; Trans. Moscow Math. Soc., 75 (2014), 1–12 34. A. Kh. Khachatryan, Kh. A. Khachatryan, “Qualitative difference between solutions of stationary model Boltzmann equations in the linear and nonlinear cases”, TMF, 180:2 (2014),  272–288      ; Theoret. and Math. Phys., 180:2 (2014), 990–1004 35. Kh. A. Khachatryan, T. H. Sardaryan, “On solvability of a class of nonlinear integral equations with Hammerstein type noncompact operator in the space $L_1(R^+)$”, Proceedings of the YSU, Physical and Mathematical Sciences, 2014, 3,  16–23 2013 36. Khachatur A. Khachatryan, Tsolak E. Terdjyan, Haykanush S. Petrosyan, “On the solvability of one class of boundary-value problems for non-linear integro-differential equation in kinetic theory of plazma”, J. Sib. Fed. Univ. Math. Phys., 6:4 (2013),  451–461 37. Kh. A. Khachatryan, “On solution of a system of Hammerstein–Nemitskii type nonlinear integral equations on whole axis”, Tr. Inst. Mat., 21:2 (2013),  154–161 38. Kh. A. Khachatryan, “On the solvability of an initial-boundary value problem for a nonlinear integro-differential equation with a noncompact operator of Hammerstein type”, Trudy Inst. Mat. i Mekh. UrO RAN, 19:3 (2013),  308–315 39. M. F. Broyan, Kh. A. Khachatryan, “On some nonlinear integral and integro-differential equations with noncompact operators on positive half-line”, Ufimsk. Mat. Zh., 5:2 (2013),  31–42      ; Ufa Math. J., 5:2 (2013), 31–42 40. Kh. A. Khachatryan, T. H. Sardaryan, “Solution of one Volterra type nonlinear integral equation on positive semi-axis”, Proceedings of the YSU, Physical and Mathematical Sciences, 2013, 3,  12–17 41. Kh. A. Khachatryan, “On some classes of nonlinear integral equations with noncompact operators”, Vestn. Samar. Gos. Tekhn. Univ., Ser. Fiz.-Mat. Nauki [J. Samara State Tech. Univ., Ser. Phys. Math. Sci.], 1(30) (2013),  181–188 2012 42. Kh. A. Khachatryan, “On solvability one Hammerstein–Nemitski type nonlinear integral differential equation with noncompact operator in $W_1^1(\mathbb R^+)$”, Algebra i Analiz, 24:1 (2012),  223–247        ; St. Petersburg Math. J., 24:1 (2013), 167–183 43. Kh. A. Khachatryan, “On a class of integral equations of Urysohn type with strong non-linearity”, Izv. RAN. Ser. Mat., 76:1 (2012),  173–200        ; Izv. Math., 76:1 (2012), 163–189 44. Kh. A. Khachatryan, “Nontrivial solvability of a class of nonlinear integro-differential equations of second order”, Mat. Tr., 15:2 (2012),  172–193      ; Siberian Adv. Math., 23:4 (2013), 234–249 45. A. Kh. Khachatryan, Kh. A. Khachatryan, “Qualitative difference between solutions for a model of the Boltzmann equation in the linear and nonlinear cases”, TMF, 172:3 (2012),  497–504      ; Theoret. and Math. Phys., 172:3 (2012), 1315–1320 46. Kh. A. Khachatryan, S. A. Grigoryan, “On nontrivial solvability of a nonlinear Hammerstein–Volterra type integral equation”, Vladikavkaz. Mat. Zh., 14:2 (2012),  57–66 2011 47. A. Khachatryan, Kh. Khachatryan, “On solvability of a nonlinear problem in theory of income distribution”, Eurasian Math. J., 2:2 (2011),  75–88 48. Kh. A. Khachatryan, E. A. Khachatryan, “Solvability of some classes of nonlinear integro-differential equations with noncompact operator”, Izv. Vyssh. Uchebn. Zaved. Mat., 2011, 1,  91–100    ; Russian Math. (Iz. VUZ), 55:1 (2011), 79–87 49. Kh. A. Khachatryan, “On solvability of one class high-order nonlinear integro-differential equations with Hammerstein type noncompact integral operator”, Ufimsk. Mat. Zh., 3:1 (2011),  103–112    ; Ufa Math. J., 3:1 (2011), 101–110 2010 50. A. Kh. Khachatryan, Kh. A. Khachatryan, “On solvability of one class of Hammerstein nonlinear integral equations”, Bul. Acad. Ştiinţe Repub. Mold. Mat., 2010, 2,  67–83 51. Kh. A. Khachatryan, “Solubility of a class of second-order integro-differential equations with monotone non-linearity on a semi-axis”, Izv. RAN. Ser. Mat., 74:5 (2010),  191–204        ; Izv. Math., 74:5 (2010), 1069–1082 52. A. Kh. Khachatryan, Kh. A. Khachatryan, “A nonlinear integral equation of Hammerstein type with a noncompact operator”, Mat. Sb., 201:4 (2010),  125–136        ; Sb. Math., 201:4 (2010), 595–606 53. Kh. A. Khachatryan, “On solvability of some classes of Urysohn nonlinear integral equations with noncompact operators”, Ufimsk. Mat. Zh., 2:2 (2010),  102–117 54. Kh. A. Khachatryan, “On one Urysohn type nonlinear integral equation with noncompact operator”, Proceedings of the YSU, Physical and Mathematical Sciences, 2010, 3,  23–28 55. A. Kh. Khachatryan, Kh. A. Khachatryan, “On the solvability of a nonlinear integro-differential equation arising in the income distribution problem”, Zh. Vychisl. Mat. Mat. Fiz., 50:10 (2010),  1793–1802    ; Comput. Math. Math. Phys., 50:10 (2010), 1702–1711 2009 56. Kh. A. Khachatryan, “Sufficient conditions for the solvability of the Uryson integral equation on a half-axis”, Dokl. Akad. Nauk, 425:4 (2009),  462–465 2008 57. Kh. A. Khachatryan, “Solvability of a Class of Integro-Differential Equations of First Order with Variable Coefficients”, Mat. Zametki, 83:6 (2008),  933–940      ; Math. Notes, 83:6 (2008), 851–857 2003 58. Kh. A. Khachatryan, “The etimation of one Volterian type integral equation”, Proceedings of the YSU, Physical and Mathematical Sciences, 2003, 1,  21–26 2002 59. Kh. A. Khachatryan, “Application of the albedo shifting method to an integral equation”, Zh. Vychisl. Mat. Mat. Fiz., 42:6 (2002),  905–912      ; Comput. Math. Math. Phys., 42:6 (2002), 870–877
 1 Î íåêîòîðûõ èíòåãðàëüíûõ óðàâíåíèÿõ òèïà ñâåðòêè ñ âûïóêëîé íåëèíåéíîñòüþKh. A. Khachatryan Seminar of the Department of Mathematical Physics, Steklov Mathematical Institute of RASJune 11, 2020 11:00 2 Î íåêîòîðûõ íåëèíåéíûõ èíòåãðàëüíûõ óðàâíåíèÿõ íà âñåé ïðÿìîé ñ âûïóêëîé íåëèíåéíîñòüþKh. A. Khachatryan International conference "8th Russian-Armenian Workshop on Mathematical Physics, Complex Analysis and Related Topics"September 16, 2019 11:05 3 On solvability of some classes convolution type nonlinear multidimensional integral equationsKh. A. Khachatryan, A. Kh. Khachatryan Internaional conference «Modern Mathematical Physics. Vladimirov-95»November 15, 2018 11:00 4 Òåîðåìà ñóùåñòâîâàíèÿ îäíîïàðàìåòðè÷åñêèõ ñåìåéñòâ íåòðèâèàëüíûõ ðåøåíèé äëÿ íåêîòîðûõ êëàññîâ íåëèíåéíûõ óðàâíåíèé â $p$-àäè÷åñêîé òåîðèè ñòðóíûA. Kh. Khachatryan, Kh. A. Khachatryan International Conference of Mathematical Physics dedicated to the memory of academician V. S. VladimirovNovember 9, 2017 14:00 5 Âîïðîñû ðàçðåøèìîñòè íåêîòîðûõ èíòåãðàëüíûõ óðàâíåíèé â òåîðèè $p$-àäè÷åñêîé ñòðóíûKh. A. Khachatryan Seminar of the Department of Mathematical Physics, Steklov Mathematical Institute of RASNovember 24, 2016 11:00 6 Î ðàçðåøèìîñòè íåêîòîðûõ íåëèíåéíûõ èíòåãðàëüíûõ óðàâíåíèé òèïà ñâåðòêèKh. A. Khachatryan Seminar of the Department of Mathematical Physics, Steklov Mathematical Institute of RASSeptember 24, 2015 11:00 7 Î íåêîòîðûõ íåëèíåéíûõ èíòåãðàëüíûõ óðàâíåíèÿõ òèïà Ãàììåðøòåéíà–Íåìûöêîãî íà ïîëóîñè è íà âñåé ïðÿìîéKh. A. Khachatryan Conference "Mathematical Physics. Vladimirov-90" dedicated to the 90th anniversary of academician V. S. VladimirovNovember 13, 2013 18:30 8 Î ïîëîæèòåëüíûõ ðåøåíèÿõ äëÿ íåêîòîðûõ êëàññîâ íåëèíåéíûõ èíòåãðàëüíûõ óðàâíåíèé òèïà Óðûñîíà íà ïîëóîñèKh. A. Khachatryan Seminar of the Department of Mathematical Physics, Steklov Mathematical Institute of RASMay 20, 2010 11:00 9 Î íåêîòîðûõ êëàññàõ íåëèíåéíûõ è èíòåãðî-äèôôåðåíöèàëüíûõ óðàâíåíèé ñ íåêîìïàêòíûì îïåðàòîðîìKh. A. Khachatryan Seminar of the Department of Mathematical Physics, Steklov Mathematical Institute of RASFebruary 19, 2009 11:00 10 Some integral equations of Uryson and Hammerstein type on the half-axisKh. A. Khachatryan Second Russian-Armenian Workshop on Mathematical Physics, Complex Analysis and Related TopicsOctober 9, 2008 14:40