2021-joined CSE as a lecturer
2019-2021: Acting Rector, Yerevan State University2008 - 2019: Vice-Rector for Scientific Policy and International Cooperation, Yerevan State University
2004 - 2008: Dean of Faculty of Mathematics and Mechanics, Yerevan State University
1997 - 2004: Head of Department of Mathematical Analysis, Yerevan State University
1992 - 1997: Professor, Yerevan State University
1984 - 1992: Docent, Yerevan State University
1980 - 1984: Head of the educational laboratory, Yerevan State University
Etvos University, Budapest, Hungary: November 1987 - July 1988
Steklov Mathematical Institute, Moscow: 1989 September - October
Institute of Mathematics of Polish Academy of Sciences: 1997 April - May
Institute of Mathematics of Polish Academy of Sciences: 2002 January
Institute of Mathematics of Polish Academy of Sciences: 2005 April
Institute of Mathematics of Polish Academy of Sciences: 2006 February
Higher Education
1975 - 1980, B. Sc.: Faculty of Mathematics and Mechanics
Yerevan State University
Courses taught:
- Numerical Analysis
- Mathematical Analysis
- Optimal Control Theory
- Real Analysis
- The Moment's Problem
- Orthogonal Series
- Trigonometric Series
Publications:
- Gevorkyan, G. G.; Akopyan L.A., Uniqueness theorems for multiple Franklin series converging over rectangles, Mathematical Notes, 109 (2021), no. 2, 208-217.
- Gevorkyan, G. G.; Uniqueness theorems for one-dimensional and double Franklin series, Izvestia Mathematics, 84 (2020), no. 5, 829-844.
- Gevorkyan, G. G.; Grigoryan, M. G. Absolute convergence of double Fourier-Franklin series. (Russian) Sibirsk. Mat. Zh. 61 (2020), no. 3, 513–527; translation in Sib. Math. J. 61 (2020), no. 3, 403–416.
- Gevorgyan, G. G. On the uniqueness of trigonometric series. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 55 (2020), no. 6, 37–50; translation in J. Contemp. Math. Anal., 55 (2020), no. 6, 365–375.
- Gevorkyan, G. G.; Keryan, K. A.; Poghosyan, M. P. Convergence to infinity for orthonormal spline series. Acta Math. Hungar. 162 (2020), no. 2, 604–617.
- Gevorkyan, G. G. On a "martingale property'' of Franklin series. Anal. Math. 45 (2019), no. 4, 803–815.
- Gevorkyan, G. G. On the convergence of Franklin series to +∞. (Russian) Mat. Zametki 106 (2019), no. 3, 341–349; translation in Math. Notes 106 (2019), no. 3-4, 334–341.
- Gevorkyan, G. G. Uniqueness theorems for Franklin series. (Russian) Tr. Mat. Inst. Steklova 303 (2018), Garmonicheskiĭ Analiz Teoriya Priblizheniĭ i Teoriya Chisel, 67–86; translation in Proc. Steklov Inst. Math. 303 (2018), no. 1, 58–77.
- Gevorkyan, G. G. On M∗-sets of series in the Franklin system. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 53 (2018), no. 5, 3–10; translation in J. Contemp. Math. Anal. 53 (2018), no. 5, 276–280.
- Gevorkyan, G. G.; Navasardyan, K. A. On the uniqueness of series with respect to the general Franklin system. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 53 (2018), no. 4, 3–14; translation in J. Contemp. Math. Anal. 53 (2018), no. 4, 223–231.
- Gevorkyan, G. G. On the uniqueness of series in the Haar system. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 53 (2018), no. 3, 3–10; translation in J. Contemp. Math. Anal. 53 (2018), no. 3, 128–133.
- Gevorkyan, G. G.; Navasardyan, K. A. Uniqueness theorems for a Vilenkin system. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 53 (2018), no. 2, 15–30; translation in J. Contemp. Math. Anal. 53 (2018), no. 2, 88–99.
- Gevorkyan, G. G.; Navasardyan, K. A. Uniqueness theorems for a generalized Haar system. (Russian) Mat. Zametki 104 (2018), no. 1, 11–24; translation in Math. Notes 104 (2018), no. 1-2, 10–21.
- Gevorkyan, G. G. Uniqueness theorems of Franklin series converging to integrable functions. (Russian) Mat. Sb. 209 (2018), no. 6, 25–46; translation in Sb. Math. 209 (2018), no. 6, 802–822.
- Gevorkyan, G. G.; Pogosyan, M. P. On reconstructing the coefficients of a Franklin series with a "good'' majorant of partial sums. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 52 (2017), no. 5, 25–35; translation in J. Contemp. Math. Anal. 52 (2017), no. 5, 254–260.
- Gevorkyan, G. G.; Navasardyan, K. A. On Haar series of A-integrable functions. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 52 (2017), no. 3, 30–45; translation in J. Contemp. Math. Anal. 52 (2017), no. 3, 149–160.
- Gevorkyan, G. G.; Navasardyan, K. A. On a summation method for series over Vilenkin and Haar systems. (Russian) Dokl. Nats. Akad. Nauk Armen. 117 (2017), no. 1, 20–25.
- Gevorkyan, G. G.; Keryan, K. A. On the local equivalence of the majorant of partial sums and the Paley function for Franklin series. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 52 (2017), no. 1, 47–58; translation in J. Contemp. Math. Anal. 52 (2017), no. 1, 38–47.
- Gevorkyan, G. G. Uniqueness theorem for multiple Franklin series. (Russian) Mat. Zametki 101 (2017), no. 2, 199–210; translation in Math. Notes 101 (2017), no. 1-2, 219–229.
- Gevorkyan, G. G. On uniqueness of series with respect to the Franklin system. (Russian) Mat. Sb. 207 (2016), no. 12, 30–53; translation in Sb. Math. 207 (2016), no. 11-12, 1650–1673.
- Gevorkyan, G. G.; Keryan, K. A. On a system of piecewise linear functions with zero integrals on R. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 51 (2016), no. 2, 3–16; translation in J. Contemp. Math. Anal. 51 (2016), no. 2, 68–78.
- Gevorkyan, G. G. Uniqueness theorems for series in the Franklin system. (Russian) Mat. Zametki 98 (2015), no. 5, 786–789; translation in Math. Notes 98 (2015), no. 5-6, 847–851.
- Gevorkyan, Gegham; Kamont, Anna; Keryan, Karen; Passenbrunner, Markus, Unconditionality of orthogonal spline systems in H1. Studia Math. 226 (2015), no. 2, 123–154.
- Gevorkyan, G. G.; Keryan, K. A. On a basis in the space H1(R) consisting of piecewise linear functions. (Russian) Dokl. Nats. Akad. Nauk Armen. 114 (2014), no. 3, 187–191.
- Gevorkyan, G. G.; Keryan, K. A. On a generalization of the general Franklin system on R. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 49 (2014), no. 6, 29–42; translation in J. Contemp. Math. Anal. 49 (2014), no. 6, 309–320.
- Gevorkyan, G. G. The general Franklin system as a basis in the space B1[0,1]. (Russian) Izv. Ross. Akad. Nauk Ser. Mat. 78 (2014), no. 6, 65–82; translation in Izv. Math. 78 (2014), no. 6, 1120–1137.
- Gevorkyan, G. G. On absolute convergence of series in the general Franklin system. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 49 (2014), no. 2, 3–24; translation in J. Contemp. Math. Anal. 49 (2014), no. 2, 53–69.
- Gevorkyan, G. G.; Keryan, K. A. On a general Franklin system in R1. (Russian) Dokl. Nats. Akad. Nauk Armen. 113 (2013), no. 4, 331–336.
- Gevorkyan, G. G.; Martirosyan, A. S. Majorant and Payley function of series in a general Franklin system. (Russian) Tr. Mat. Inst. Steklova 280 (2013), Ortogonalʹnye Ryady, Teoriya Priblizheniĭ i Smezhnye Voprosy, 138–149 ISBN: 5-7846-0125-3; 978-5-7846-0125-4 ; translation in Proc. Steklov Inst. Math. 280 (2013), no. 1, 132–143.
- Gevorkyan, G. G. On series in the general Franklin system. (Russian) Izv. Nats. Akad. Nauk Armenii Mat. 48 (2013), no. 5, 3–30; translation in J. Contemp. Math. Anal. 48 (2013), no. 5, 189–208.
- Gevorkyan G.G., Kamont A, Hilbert transform of a wavelet system: boundedness of orthogonal projections in the uniform norm, Izv. Nats. Akad. Nauk Armenii Mat. 44 (2012), no. 4, 3-12.
- Gevorkyan G.G., Kamont A, Orthonormal spline systems with arbitrary knots and bases in disk algebra, East J. Approx., 17 (2011), no. 4, 385-411.
- Gevorkyan G.G., Kamont A., On the trigonometric conjugate to the general Franklin system, Studia Math. 193 (2009), no. 3, 203–239.
- Gevorkyan G.G., Keryan K.A., On the absolute and unconditional convergence of series in the general Franklin system , (in Russian) Izv. Ross. Akad. Nauk Ser. Mat. 73 (2009), no. 2, 69--90; translation in Izv. Math. 73 (2009), no. 2, 279-300.
- Gevorkyan G.G., Kamont A., Uniqueness of series with respect to general Franklin systems, Izv. Nats. Akad. Nauk Armenii Mat. 44 (2009), no. 5, 3-18; translation in J. Contemp. Math. Anal. 44 (2009), no. 5, 271–283 .
- Gevorkyan G.G., Kamont A., Orthonormal spline systems with arbitrary knots as bases in H1[0,1], East J. Approx. 14 (2008), no. 2, 161-182.
- Gevorkyan G.G., Kamont A., Some properties of a conjugate Franklin system (in Russian), Dokl. Nats. Acad. Nauk Armenii, 106 (2006), No. 2,108-113.
- G. G. Gevorkyan., Ciesielski and Franklin systems, Approximation and Probability, Banach Center Publ. 72, Polish Acad. Sci., Warsaw, 2006, 85-92.
- Gevorkyan G.G., Kamont A., General Franklin systems as bases in H1[0,1] , Studia Math. 167(2005), No. 3, 259-292.
- Gevorkyan G.G., Kamont A., Two remarks on quasi-greedy bases in the space L1,
Izv. Akad. Nauk Armenii, ser. Mat, . (in Russian), 40(2005), No. 1, 5-17, English translation in J. Contemp. Math. Anal., 40(2005), No. 1-2, 2-14. - Gevorkyan G.G., Kamont A., Unconditionality oh general Franklin systems in Lp[0;1], Studia Math. 164(2004), No. 2, 162-204.
- Gevorkyan G.G., Stepanyan A.A., On the almost everywhere divergence of a summation method for wavelet expansions, Izv. Akad. Nauk Armenii, ser. Mat, . (in Russian), 39(2004), No. 2, 27-32, English translation in J. Contemp. Math. Anal., 39(2004), No. 2, 33-39.
- Gevorkyan G.G., On uniquenness of harmonic functions, Izv. Akad. Nauk Armenii, ser. Mat, . (in Russian), 36(2001), No. 6, 26-37, English translation in J. Contemp. Math. Anal., 36(2001), No. 6, 25-36.
- Ciesielski Z., Gevorkyan G.G., Franklin spline orthogonal system in Lp(R) with 0≤p≤1,
Acta Math. Acad. Sci. Hungar. , 66(2000), No. 1-2, 211-226. - Gevorkyan G.G., Sahakyan A.A., Unconditional basis properties of general Franklin series, Izvestija Akad. Nauk Arm. SSR, ser Mat, (in Russian), 35(2000), no. 4, 7-25, English translation in J. Contemp. Math. Anal., 35(2000), no. 4, 2-22.
- Gevorkyan G.G., Poghosyan M.P., On uniquenness of general orthogonal series, Izvestija Akad. Nauk Arm. SSR, ser. Mat, (in Russian), 35(2000), No. 5, 76-79. English translation in J. Contemp. Math. Anal., 35(2000), No. 5, 81-83.
- Gevorkyan G.G., Navasardyan K.A., On Walsh series with monotonic coefficients,
Izvestia RAN, ser. Matematika, (in Russian), 63(1999), No. 1, 41-60, English translation in Izv. Math., 63(1999), No. 1, 37-55. - Gevorkyan G.G., Mikayelyan H.L., Unconditional and absolute almost everywhere convengence of series by general Franklin systems, Izvestija Akad. Nauk Arm. SSR, ser. Mat, (in Russian), 33(1998), No. 6, 10-25, English translation in J. Contemp. Math. Anal., 33 (1998), No. 6, 14-28.
- Gevorkyan G.G., An inequality for harmonic functions and uniqueness of Abel summable trigonometric series, East J. on Approx. , 4 (1998), No. 3, 433-434.
- Gevorkyan G.G., Wolnik B., Squere Functions for Wavelet Type Systems, Bull. Pol. Acad. Sci. , 46 (1998), No. 2, 155-172.
- Gevorkyan G.G., Kamont A., On General Franklin Series, Dissertationes Mathematicae, v. CCCLXXIV (1998), 59pp.
- Talalian A.A., Gevorkyan G.G., Karagulian G.A., Some summation methods for Fourier series, Mat. Sb., (in Russian), 189 (1998), No. 5, 129-152, English translation in Sb. Math., 189 (1998), No. 5-6, 771-795.
- Gevorkyan G.G., Franklin and Haar series in Lorentz spaces Lpq, 0<p≤q<1, East J. on Approx. , 3(1997), No. 4, 419-444.
- Gevorkyan G.G., Yengibaryan N.B., New theorem for the intrgral renewal equation,
Izv, Nats. Akad. Nauk Armenii, ser. Mat, 32 (1997), No. 1, 5-20, English translation in J. Contemp. Math. Anal., 32 (1997), No. 1, 2-16. - Gevorkyan G.G., On representation of measurable functions by absolutely convergent series with translates and dilates of one function, East J. Approx. , 2 (1996), no. 4, 439-458.
- Gevorkyan G.G., Majorant and uniqueness of the series in the Franklin system, Mat. Zametki, (in Russian), 59 (1996), No. 4, 521-545, translation in Math. Notes, 59 (1996), No. 3-4, 373-391.
- Gevorkyan G.G., On the uniqueness of additive functions of dydic cubes and series by Haar system, Izv. Nats. Akad. Nauk Armenii, ser. Mat., (in Russian), 30 (1995), No. 5, 7-21. English translation in J. Contemp. Math. Anal., 30 (1995), No. 5, 2-13.
- Gevorkyan G.G., On the uniqueness of multiple trigonometric series, Mat. Sb., (in Russian), 184 (1993), No. 11, 93-130, English translation in Sb. Math. 80 (1995), No. 2, 335-365.
- Gevorkyan G.G., On the trigonometric integrals summable by the Riemann method,
Izv. Nats. Akad. Nauk Armenii, ser. Mat. , (in Russian), 28 (1993), No. 6, 44-56, English translation in J. Contemp. Math. Anal., 28 (1993), No. 6, 38-49. - Gevorkyan G.G., On trigonometric series that are summable by the Riemann method, Mat. Zametki, (in Russian), 52(1992), No. 3, 17-34. 52 (1992), English translation in Math. Notes, No. 3-4, 880-895.
- Gevorkyan G.G., Uniqueness of multiple trigonometric series, Mat. Zametki, (in Russian), 52 (1992), No. 2, 148-150, English translation in Math. Notes, 52 (1992), No. 1-2, 859-861.
- Gevorkyan G.G., Theorems on modified Franklin-Stromberg system II , Izv. Acad. Nauk Arm. SSR, ser. Mat. , (in Russian), 26(1991), No. 1, 31-51, English translation in J. Contemp. Math. Anal., 26 (1991), No. 1, 29-49.
- Gevorkyan G.G., On uniqueness of trigonometric series, summable by Riemann method, Dokl. Akad. Nauk SSSR, 313 (1990), No. 6, 1302-1305, English translation in Soviet Math. Dokl. 42 (1991), No.1, 154-157.
- Gevorkyan G.G., On uniqueness of trigonometric series, Mat. Sb. (in Russian), 180 (1989), No. 11, 1462 - 1474, English translation in Math. USSR-Sb, 68 (1991), No. 2, 325-338.
- Talalyan A.A., Gevorkyan G.G., Representation of absolutely continuous functions of several variable, Acta Sci. Math. (in Russian), 54 (1990), 277-283.
- Gevorkyan G.G., On series in the Franklin system, Analysis Math. (in Russian), 16 (1990), No. 2, 87-114.
- Gevorkyan G.G., Some theorems on unconditional convergence and the majorant of Franklin series, and their application to the spaces ReHp, Trudi MIAN, (in Russian), 190 (1990), No. 1, 49-74, English translation in Proc. Steklov Inst. Math., 1992, No. 1, 49-76.
- Gevorkyan G.G., Haar and Franklin series with identical coefficients, Yerevan State Univ. Sci. Notes (in Russian) 1989, No. 3, 3-9.
- Gevorkyan G.G., Theorems on modified Franklin-Stromberg system, Izv. Acad. Nauk Arm. SSR, ser. Mat. , (in Russian), 24 (1989), No. 1. 69-92, English translation in Soviet J. Contemp. Math. Anal., 24 (1989), No. 1, 60-80.
- Gevorkyan G.G., On uniqueness of series in the Franklin system, Mat. Zametki (in Russian), 46(1989), No. 2, 51-58, English translation in Math. Notes, 46 (1989), No. 1-2, 609-615.
- Gevorkyan G.G., Absolute and unconditional convergence of series in the Franklin system, Mat. Zametki (in Russian), 45 (1989), No. 3, 30-42, English translation in Math. Notes, 45 (1989), No. 3, 30-42.
- Gevorkyan G.G., Trigonometric integrals that are summable by Riemann method,
Mat. Zametki, (in Russian), 45 (1989), No. 5, 114-117, English translation in Math. Notes, 45 (1989). - Gevorkyan G.G., Some theorems on unconditional convergence and majorant for Franklin series, and their application to the spaces ReHp, Dokl. Acad. SSSR (in Russian), 302 (1988), No. 6, 1292-1295, English translation in Soviet Math. Dokl. 38 (1989), No. 2, 409-411.
- Gevorkyan G.G., On coefficients of null-series and on sets of uniqueness of trigonometric and Walsh systems, Analysis Math., 14 (1988), 219-251.
- Gevorkyan G.G., On Weyl's multipliers for unconditional convergence of Fraklin series, Mat. Zametki (in Russian), 41 (1987), No. 6, 789-797.
- Gevorkyan G.G., On uniqueness of Fourier integrals,convergent in Lp, p>0, metrics on every finite interval, Dokl. Acad. Nauk Arm. SSR, (in Russian), 84 (1987), No. 1, 21-25.
- Gevorkyan G.G., On Uφ-sets of trigonometric integrals, Anaiysis Math., 12 (1986), No. 3, 185-190.
- Gevorkyan G.G., On Franklin series, Yerevan State Univ. Sci. Notes (in Russian), 1986, No. 2, 146-148.
- Gevorkyan G.G., On the representation of measurable functions by absolutely convergence Franklin series, Dokl. Acad. Nauk Arm. SSR (in Russian), 83 (1986), No. 1, 15- 18.
- Gevorkyan G.G., On classification of U(S)-sets Walsh system's, Math., Yerevan State Univ. (in Russian), 1986, No. 5, 42-49.
- Gevorkyan G.G., Unboundness of shift operator with Franklin system in space L1,
Mat. Zametki (in Russian), 38 (1985), No. 4, 523-533. - Gevorkyan G.G., On Up-sets for Haar, Walsh and trigonometric system's, Izv. Acad. Nauk Arm. SSR, ser. Mat. (in Russian), 20 (1985), No. 5, 325-348.
- Gevorkyan G.G., On sets of uniqueness for Fourier transformation and integrals,
Sib. Mat. Jurnal (in Russian), 24 (1985), No. 5, 47-61. - Gevorkyan G.G., On sets of uniqueness for Fourier integrals, Dokl. Acad. Nauk Arm. SSR (in Russian), 79 (1984), No. 1, 18-21.
- Gevorkyan G.G., On sets of uniqueness for some orthogonal series, Izv. Acad. Nauk Arm. SSR, ser. Mat. (in Russian), 17 (1983), No. 6, 448-475.
- Gevorkyan G.G., On sets of uniqueness for some orthogonal series, Dokl. Acad. Nauk Arm. SSR (in Russian), 77 (1983), No. 4, 151-153.
- Gevorkyan G.G., On sets of uniqueness for subsystems of Haar system, Yerevan State Univ. Sci. Notes (in Russian), (1983), No. 3, 15-19.
- Gevorkyan G.G., On uniqueness of series with H-systems, Acta Math. Acad. Sci. Hungar. (1-2),. (in Russian), 40 (1982), 1-10.
- Gevorkyan G.G., On the representation of measurable functions by martingales, Analysis Math., 8 (1982), no. 4, 239-256.
- Gevorkyan G.G., On sets of uniqueness for complete orthogonal systems, Mat. Zametki (in Russian), 32 (1982), No. 5, 651-656.
- Gevorkyan G.G., On the representation and uniqueness of representation of measurable functions by martingales, Dokl. Acad. Nauk Arm. SSR (in Russian), 74 (1982), No. 3, 113-117.
- Gevorkyan G.G., On sets of uniqueness for Fourier integral's, Dokl. Akad. Nauk Arm. SSR (in Russian), 73 (1981), No. 4, 211-218.
- Gevorkyan G.G., On sets of uniqueness for Haar and Walsh systems, Dokl. Akad. Nauk Arm. SSR (in Russian), 73 (1981), No. 2, 91-96.
- Gevorkyan G.G., On sets of uniqueness for some complete orthogonal systems, Yerevan State Univ. Sci. Notes, (in Russian), (1981), No. 2, 10-22.
- Gevorkyan G.G., On sets of uniqueness of complete orthogonal series and Fourier integral's, Dokl. Akad. Nauk Arm. SSR (in Russian), 72 (1981), No. 4, 218-223.
Awards:
RA Presidential Award - 2018
“Anania Shirakaci” Medal: 2009
Prize of all Armenian fund “Hayastan”: 1994
Office location: 335W/PAB