Persons RUS  ENG    JOURNALS   PEOPLE   ORGANISATIONS   CONFERENCES   SEMINARS   VIDEO LIBRARY   PACKAGE AMSBIB     Karagulyan, Grigori Artashesovich Professor Doctor of physico-mathematical sciences E-mail: ,     Main publications: Karagulyan G. A., “Summy Rimana i maksimalnye funktsii v $R^n$”, Matematicheskii sbornik, 200:4 (2009), 53–82     Karagulyan G. A., “O poryadke rosta $o(\log\log n)$ dlya ryadov Fure–Stiltesa sluchainykh mer”, Matematicheskii sbornik, 184:1 (1993), 15–40       Karagulyan G. A., “Eksponentsialnye otsenki operatora Kalderona–Zigmunda i smezhnye voprosy ryadov Fure”, Matematicheskie zametki, 71:3 (2002), 398–411       Karagulyan G. A., “O vybore podsistemy skhodimosti s logarifmicheskoi plotnostyu iz proizvolnoi ortonormirovannoi sistemy”, Matematicheskii sbornik, 136(178):1(5) (1988), 41–55       Karagulyan G. A., “On unboundedness of maximal operators for directional Hilbert transform”, Proceedings of AMS, 135:10 (2007), 3133–3141       https://www.mathnet.ru/eng/person35698 List of publications on Google Scholar https://mathscinet.ams.org/mathscinet/MRAuthorID/234243 Publications in Math-Net.Ru Citations 2025 1. G. A. Karagulyan, M. T. Lacey, Kh. V. Navoyan, “Maximal Calderón–Zygmund operators and Weyl multipliers”, Mat. Sb., 216:10 (2025),  42–61   2024 2. G. A. Karagulyan, “On the convergence sets of operator sequences on spaces of homogeneous type”, Mat. Sb., 215:8 (2024),  66–94      ; Sb. Math., 215:8 (2024), 1065–1090     2023 3. G. A. Karagulyan, V. G. Karagulyan, “On Uniqueness Properties of Rademacher Chaos Series”, Math. Notes, 114:6 (2023), 1225–1232     2021 4. G. A. Karagulyan, I. N. Katkovskaya, V. G. Krotov, “The Fatou Property for General Approximate Identities on Metric Measure Spaces”, Mat. Zametki, 110:2 (2021),  204–220    ; Math. Notes, 110:2 (2021), 196–209     2020 5. G. A. Karagulyan, “A sharp estimate for the majorant norm of a rearranged trigonometric system”, Uspekhi Mat. Nauk, 75:3(453) (2020),  183–184        ; Russian Math. Surveys, 75:3 (2020), 569–571     2 6. G. A. Karagulyan, “On Weyl multipliers of the rearranged trigonometric system”, Mat. Sb., 211:12 (2020),  49–82        ; Sb. Math., 211:12 (2020), 1704–1736     5 2019 7. G. A. Karagulyan, H. Mkoyan, “An exponential estimate for the cubic partial sums of multiple Fourier series”, Izv. RAN. Ser. Mat., 83:2 (2019),  83–96        ; Izv. Math., 83:2 (2019), 273–286     2018 8. U. Goginava, G. Karagulian, “On Exponential Summability of Rectangular Partial Sums of Double Trigonometric Fourier Series”, Mat. Zametki, 104:5 (2018),  667–679      ; Math. Notes, 104:5 (2018), 655–665     1 2016 9. G. A. Karagulyan, “On the divergence of triangular and eccentric spherical sums of double Fourier series”, Mat. Sb., 207:1 (2016),  73–92        ; Sb. Math., 207:1 (2016), 65–84     2 2014 10. G. A. Karagulyan, K. R. Muradyan, “On the divergence of Walsh and Haar series by sectorial and triangular regions”, Proceedings of the YSU, Physical and Mathematical Sciences, 2014, no. 2,  3–12   1 2011 11. G. A. Karagulyan, “Characterization of the sets of divergence for sequences of operators with the localization property”, Mat. Sb., 202:1 (2011),  11–36        ; Sb. Math., 202:1 (2011), 9–33     9 2009 12. G. A. Karagulyan, “On Riemann sums and maximal functions in $\mathbb R^n$”, Mat. Sb., 200:4 (2009),  53–82        ; Sb. Math., 200:4 (2009), 521–548     4 2006 13. G. A. Karagulian, “Everywhere Divergent $\Phi$-Means of Fourier Series”, Mat. Zametki, 80:1 (2006),  50–59        ; Math. Notes, 80:1 (2006), 47–56     13 2002 14. G. A. Karagulian, “Exponential Estimates of the Calderón–Zygmund Operator and Related Questions about Fourier Series”, Mat. Zametki, 71:3 (2002),  398–411      ; Math. Notes, 71:3 (2002), 362–373     12 1998 15. S. Galstyan, G. A. Karagulian, “Divergence almost everywhere of rectangular partial sums of multiple Fourier series of bounded functions”, Mat. Zametki, 64:1 (1998),  24–36      ; Math. Notes, 64:1 (1998), 20–30   3 16. A. A. Talalyan, G. G. Gevorkyan, G. A. Karagulian, “Some linear summation methods for Fourier series”, Mat. Sb., 189:5 (1998),  129–152      ; Sb. Math., 189:5 (1998), 771–795     1996 17. G. A. Karagulian, “Hilbert transform and exponential integral estimates of rectangular sums of double Fourier series”, Mat. Sb., 187:3 (1996),  55–74      ; Sb. Math., 187:3 (1996), 365–384     6 1995 18. G. A. Karagulyan, “On the growth order $o(\log\log n)$ of partial sums of Fourier–Stieltjes series of random measures”, Dokl. Akad. Nauk, 341:3 (1995),  301–302       1993 19. G. A. Karagulian, “On the order of growth $o(\log\log n)$ of the partial sums of Fourier–Stieltjes series of random measures”, Mat. Sb., 184:1 (1993),  15–40      ; Russian Acad. Sci. Sb. Math., 78:1 (1994), 11–33   1 1991 20. G. A. Karagulian, “A necessary and sufficient condition for differentiability of integrals of random measures in $R^n$ over $n$-dimensional intervals”, Mat. Zametki, 49:4 (1991),  63–68      ; Math. Notes, 49:4 (1991), 375–378   1988 21. G. A. Karagulian, “On the selection of a convergence subsystem with logarithmic density from an arbitrary orthonormal systems”, Mat. Sb. (N.S.), 136(178):1(5) (1988),  41–55      ; Math. USSR-Sb., 64:1 (1989), 41–56 3 Presentations in Math-Net.Ru 1. On Weyl multipliers of orthogonal systems G. A. Karagulyan International conference «Selected topics of function theory» dedicated to the 80th anniversary of Eugenie M. Nikishin September 29, 2025 11:50 2. Khintchine type inequalities for martingales G. A. Karagulyan The international workshop OTHA Spring 2024 on operator theory and harmonic analysis and their applications April 23, 2024 15:05    3. Мартингальные неравенства Хинчина G. A. Karagulyan XXII International Saratov Winter School "Contemporary Problems of Function Theory and Their Applications", dedicated to the 300th anniversary of the Russian Academy of Sciences January 30, 2024 11:00    4. On some inequalities for multiplicative sequences of functions G. A. Karagulyan International Conference "Approximation Theory and Applications" Dedicated to the 100th Anniversary S. B. Stechkin September 8, 2021 16:10    5. Orthogonal polynomials and Weyl multipliers G. Karagulyan Approximation and discretization September 2, 2021 14:30    Organisations Yerevan State University, Faculty of Mathematics and Mechanics Institute of Mathematics, National Academy of Sciences of Armenia, Yerevan Institute of Mathematics, Academy of Sciences of ArmSSR