| Научен проект |
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1
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Александър Стефанов, Изследване на диференциални уравнения и техните приложения в моделирането на нелинейни процеси, Член, , Номер на договора:КП-06 ПН 42/11
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2020
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2
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Александър Стефанов, Създаване на дългофокусни недифрагиращи Гаус-Беселови оптични снопове от нулев и първи порядък чрез нулиране на топологичните заряди на високозаредени оптични вихри, Член,
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2019
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| Статия в научно списание |
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1
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A.A. Stefanov, New Types of Derivative Non-linear Schrödinger Equations Related to Kac–Moody Algebra , Dynamics, 2024, ISSN (online):2673-8716, doi:https://doi.org/10.3390/dynamics4010005, Ref
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2024
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2
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Ivan Chavdarov, Kaloyan Yovchev, Lyubomira Miteva, Aleksander Stefanov, Dimitar Nedanovski, A Strategy for Controlling Motions Related to Sensory Information in a Walking Robot Big Foot, SENSORS, vol:23, issue:3, 2023, ISSN (online):1424-8220, doi:10.3390/s23031506, Ref, Web of Science, IF (3.9 - 2022), Web of Science Quartile: Q1 (2023), SCOPUS, SJR (0.764 - 2022), SCOPUS Quartile: Q1 (2023)
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2023
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3
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Lyubomir Stoyanov, Aleksander Stefanov, Alexander Dreischuh, Gerhard G. Paulus, Gouy phase of Bessel-Gaussian beams: theory vs. experiment, Optics Express, vol:31, issue:9, 2023, pages:13683-13699, ISSN (online):1094-4087, doi:https://doi.org/10.1364/OE.480761 , Ref, Web of Science, IF (3.83 - 2023), Web of Science Quartile: Q1 (2023), SCOPUS, SJR (1.23 - 2023), International
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2023
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4
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V.S. Gerdjikov, A.A. Stefanov, Riemann–Hilbert Problems, Polynomial Lax Pairs, Integrable Equations and Their Soliton Solutions, Symmetry, vol:Special Issue "Symmetries/Asymmetries in Mathematical Physics: Integrable Systems, Solitons and Nonlinear Waves", 2023, ISSN (print):2073-8994, ISSN (online):2073-8994, doi:https://doi.org/10.3390/sym15101933, Ref, Web of Science, IF (2.7 - 2022), Web of Science Quartile: Q2 (Multidisciplinary Sciences), SCOPUS, SJR (0.483 - 2022), SCOPUS Quartile: Q2 (Mathematics (miscellaneous)
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2023
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5
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V.S. Gerdjikov, G.G. Grahovski, A.A. Stefanov, Real Hamiltonian forms of affine Toda field theories: Spectral aspects, Theoretical and Mathematical Physics, vol:212, 2022, pages:1053-1072, ISSN (print):0040-5779, ISSN (online):1573-9333, doi:https://doi.org/10.1134/S0040577922080037, Ref, Web of Science, IF (0.685 - 2021), Web of Science Quartile: Q4 (Mathematical Physics), SCOPUS, SJR (0.324 - 2021), SCOPUS Quartile: Q3 (Mathematical Physics), International
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2022
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6
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Lyubomir Stoyanov, Maya Zhekova, Aleksander Stefanov, Boris Ivanov, Ivan Stefanov, Gerhard G. Paulus, Alexander Dreischuh, Generation of long range low-divergent Gauss–Bessel beams by annihilating optical vortices, Optics Communications, vol:480, 2021, pages:126510-0, ISSN (online):0030-4018, doi:https://doi.org/10.1016/j.optcom.2020.126510, Ref, Web of Science, IF (2.125 - 2019), Web of Science Quartile: Q2 (2021), SCOPUS, SJR (0.698 - 2019), SCOPUS Quartile: Q2 (2021), International
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2021
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7
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Gerdjikov, V.S., Stefanov, A.A., Iliev, I.D., Boyadjiev, G.P., Smirnov, A.O., Matveev, V.B., Pavlov, M.V., RECURSION OPERATORS AND HIERARCHIES OF mKdV EQUATIONS RELATED TO THE KAC-MOODY ALGEBRAS D-4((1)), D-4((2)), AND D-4(3), THEORETICAL AND MATHEMATICAL PHYSICS, vol:204, issue:3, 2020, pages:1110-1129, ISSN (print):0040-5779, ISSN (online):1573-9333, doi:10.1134/S0040577920090020, Ref, Web of Science, IF (0.854 - 2019), Web of Science Quartile: Q3 (2020), SCOPUS, SJR (0.299 - 2019), SCOPUS Quartile: Q3 (2020), International
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2020
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8
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Lyubomir Stoyanov, Maya Zhekova, Aleksander Stefanov, Ivan Stefanov, Gerhard G. Paulus, Alexander Dreischuh, Zeroth- and first-order long range non-diffracting Gauss–Bessel beams generated by annihilating multiple-charged optical vortices, Scientific Reports, vol:10, 2020, pages:21981-0, ISSN (online):2045-2322, doi:https://doi.org/10.1038/s41598-020-78613-7, Ref, Web of Science, IF (3.998 - 2019), Web of Science Quartile: Q1 (2020), SCOPUS, SJR (1.341 - 2019), SCOPUS Quartile: Q1 (Multidisciplinary), International, PhD
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2020
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9
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T.M. Mishonov, V.N. Gourev, I.M. Dimitrova, N.S. Serafimov, A.A. Stefanov, E.G. Petkov, A.M. Varonov, Determination of the Boltzmann constant by the equipartition theorem for capacitors, European Journal of Physics, vol:40, issue:3, 2019, pages:35102-0, ISSN (print):0143-0807, ISSN (online):1361-6404, doi:https://doi.org/10.1088/1361-6404/ab07e0, Ref, Web of Science, IF (0.756 - 2019), SCOPUS, SJR (0.44 - 2019), SCOPUS Quartile: Q2 (Physics and Astronomy)
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2019
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10
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T.M. Mishonov, V.I. Danchev, E.G. Petkov, V.N. Gourev, I.M. Dimitrova, N.S. Serafimov, A.A. Stefanov, A.M. Varonov, Master equation for operational amplifiers: Stability of negative differential converters, crossover frequency and pass-bandwidth, Journal of Physics Communications, vol:3, issue:3, 2019, ISSN (print):2399-6528, doi:https://doi.org/10.1088/2399-6528/ab050b, Ref, IR , Web of Science Quartile: Q3 (2019), SCOPUS, SJR (0.431 - 2019), SCOPUS Quartile: Q3 (Physics and Astronomy (miscellaneous)
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2019
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11
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V.S. Gerdjikov, R.I. Ivanov, A.A. Stefanov, Riemann-Hilbert problem, integrability and reductions, Journal of Geometric Mechanics, vol:11, issue:2, 2019, pages:167-185, ISSN (print):1941-4889, ISSN (online):1941-4897, doi:10.3934/jgm.2019009, Ref, Web of Science, IF (0.649 - 2019), SCOPUS, SJR (0.38 - 2018), SCOPUS Quartile: Q3 (Applied Mathematics), International
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2019
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12
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Mishonov, T.M., Petkov, E.G., Mihailova, N.Zh., Stefanov, A.A., Dimitrova, I.M., Gourev, V.N., Serafimov, N.S., Danchev, V.I., Varonov, A.M., Simple do-it-yourself experimental set-up for electron charge q(e) measurement, EUROPEAN JOURNAL OF PHYSICS, vol:39, issue:6, 2018, pages:65202-0, ISSN (print):0143-0807, ISSN (online):1361-6404, doi:10.1088/1361-6404/aad3d7, Ref, IF, IF (0.756 - 2018)
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2018
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13
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Gerdjikov, V.S., Mladenov, D.M., Stefanov, A.A., Varbev, S.K., MKDV EQUATIONS RELATED TO THE D-4((2)) ALGEBRA, Romanian Journal of Physics, vol:61, issue:1-2, 2016, pages:110-123, ISSN (print):1221-146X, Ref, IR , IF ( - 2016), SCOPUS, SJR (0.954 - 2016), SCOPUS Quartile: Q1 (Physics and Astronomy (miscellaneous), PhD
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2016
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14
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Gerdjikov, V.S., Mladenov, D.M., Stefanov, A.A., Varbev, S.K., Integrable equations and recursion operators related to the affine Lie algebras A(r)((1)), Journal of Mathematical Physics , vol:56, issue:5, 2015, pages:52702-0, ISSN (print):0022-2488, ISSN (online):1089-7658, doi:10.1063/1.4919672, Ref, Web of Science, Web of Science Quartile: Q2 (2015), SCOPUS Quartile: Q2 (Mathematical Physics), PhD
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2015
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15
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Gerdjikov, V.S., Mladenov, D.M., Stefanov, A.A., Varbev, S.K., ON MKDV EQUATIONS RELATED TO THE AFFINE KAC-MOODY ALGEBRA A(5)((2)), Journal of Geometry and Symmetry in Physics, vol:39, 2015, pages:17-31, ISSN (print):1312-5192, ISSN (online):1314-5673, doi:10.7546/jgsp-39-2015-17-31, Ref, IR , SCOPUS, SJR (0.289 - 2015), SCOPUS Quartile: Q4 (Mathematical Physics), PhD
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2015
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16
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Gerdjikov, V.S., Mladenov, D.M., Stefanov, A.A., Varbev, S.K., Soliton equations related to the affine Kac-Moody algebra D-4((1)), The European Physics Journal Plus, vol:130, issue:6, 2015, pages:106-0, ISSN (online):2190-5444, doi:10.1140/epjp/i2015-15106-5, Ref, IR , IF ( - 2016), Web of Science Quartile: Q2 (32/79 PHYSICS,MULTIDISCIPLINARY 2015 JCR-WoS), SCOPUS, SJR (0.363 - 2015), SCOPUS Quartile: Q3 (Physics and Astronomy (miscellaneous), PhD
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2015
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17
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Z.D. Dimitrov, S.K. Varbev, K.M. Omar, A.A. Stefanov, E.S. Penev, T.M. Mishonov, Correlation between Tc and the Cu 4s level reveals the Mechanism of high-temperature superconductivity, Bulgarian Journal of Physics, vol:38, issue:1, 2011, pages:106-112, ISSN (print):1310-0157, ISSN (online):1314-2666
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2011
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| Статия в сборник (на конференция и др.) |
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1
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Aleksander Stefanov, Ivan Chavdarov, Dimitar Nedanovski, Detailed dynamical model of a simple 3D printed walking robot, AIP Conference Proceedings 2321, editor/s:A. Slavova, Publisher:AIP Publishing, 2021, pages:30031-0, ISSN (print):0094-243X, ISSN (online):1551-7616, ISBN:978-0-7354-4065-4, doi:https://doi.org/10.1063/5.0040125, Ref, IR , SCOPUS, SJR (0.19 - 2019)
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2021
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2
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Aleksander Stefanov, Ivan Chavdarov, Dimitar Nedanovski, George Boiadjhiev, Dynamics and Control of a 3D Printed Walking Robot, 27th International Conference on Software, Telecommunications and Computer Networks, SoftCOM 2019 , Publisher:IEEE, 2019, pages:1-5, ISSN (online):1847-358X, doi:10.23919/SOFTCOM.2019.8903684, Ref, SCOPUS, SJR (0.14 - 2020)
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2019
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3
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Mishonov, T.M., Stefanov, A.A., Petkov, E.G., Dimitrova, I.M., Danchev, V.I., Gourev, V.N., Mihaylova, N.Zh., Petkov, A.P., Varonov, A.M., Educational Experiment for Electron Charge q(e) Measurement via Schottky Noise, 10TH JUBILEE CONFERENCE OF THE BALKAN PHYSICAL UNION, AIP Conference Proceedings 2075, vol:2075, Publisher:AIP Publishing, 2019, pages:180008-0, ISSN (print):0094-243X, ISSN (online):1551-7616, ISBN:978-0-7354-1803-5, doi:10.1063/1.5091405, Ref, IR , SCOPUS, SJR (0.19 - 2019)
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2019
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4
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A.A. Stefanov, D.M. Mladenov, Euler angles parametrization of a two qubit system, AIP Conference Proceedings 2159, 2019, pages:30033-0, ISSN (print):0094-243X, ISSN (online):1551-7616, ISBN:978-0-7354-1904-9, doi:https://doi.org/10.1063/1.5127498, Ref, Web of Science, IF (0.4 - 2018), SCOPUS, SJR (0.182 - 2018)
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2019
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5
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T.M. Mishonov, A.A. Stefanov, E.G. Petkov, I.M. Dimitrova, V.N. Gourev, A.M. Varonov, Experimental set-up for Boltzmann constant determination by equipartition theorem for capacitors , AIP Conference Proceedings 2075, Publisher:AIP Publishing, 2019, pages:180007-0, ISSN (print):0094-243X, ISSN (online):1551-7616, ISBN:978-0-7354-1803-5, doi:doi.org/10.1063/1.5091404, Ref, Web of Science, IF (0.4 - 2018), SCOPUS, SJR (0.19 - 2019)
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2019
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6
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T.M. Mishonov, A.A. Stefanov, E.G. Petkov, I.M. Dimitrova, V.I. Danchev, V.N. Gourev, A.M. Varonov, Manhattan equation for the operational amplifier, AIP Conference Proceedings 2075, Publisher:AIP Publishing, 2019, pages:160002-0, ISSN (print):0094-243X, ISSN (online):1551-7616, ISBN:978-0-7354-1803-5, doi:https://doi.org/10.1063/1.5091329, Ref, Web of Science, IF (0.4 - 2018), SCOPUS, SJR (0.19 - 2019)
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2019
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7
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T.M. Mishonov, A.A. Stefanov, E.G. Petkov, I.M. Dimitrova, V.I. Danchev, A.M. Varonov, Master equation for operational amplifiers: Stability of negative differential converters, crossover frequency and pass-bandwidth, AIP Conference Proceedings 2075, Publisher:AIP Publishing, 2019, pages:160003-0, ISSN (print):0094-243X, ISSN (online):1551-7616, ISBN:978-0-7354-1803-5, doi:https://doi.org/10.1063/1.5091330, Ref, Web of Science, IF (0.4 - 2018), SCOPUS, SJR (0.19 - 2019)
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2019
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8
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V.S. Gerdjikov, A.A. Stefanov, On An Example Of Derivative Nonlinear Schrodinger Equation With D_2 Reduction, Pliska Studia Mathematica 30 - Proceedings of the Fifth International conference New Trends of the Applications of Differential Equations in Sciences (NTADES 2018) , editor/s:A. Slavova, Publisher: Institute of Mathematics and Informatics, Bulgarian Academy of Sciences, 2019, pages:99-108, ISSN (online):0204-9805, Ref, Zentralblatt(Zbl 1449.35394)
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2019
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9
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V.S. Gerdjikov, A.A. Stefanov, New types of two component NLS-type equations, Pliska Studia Mathematica vol. 26, 2016, pages:53-66, ISSN (online):0204-9805, Ref, Zentralblatt(Zbl 1389.35290)
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2016
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10
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V.S. Gerdjikov, D.M. Mladenov, A.A. Stefanov, S.K. Varbev, MKdV-type of equations related to B^(1)_2 and A^(2)_4 algebra, Nonlinear Mathematical Physics and Natural Hazards, Springer Proceedings in Physics 163, editor/s:B. Aneva, M. Kouteva-Guentcheva, Publisher:Springer, 2014, pages:59-69, ISBN:978-3-319-14328-6, doi:https://doi.org/10.1007/978-3-319-14328-6_5, Ref, IR , SCOPUS, SJR (0.137 - 2014), PhD
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2014
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11
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V.S. Gerdjikov, D.M. Mladenov, A.A. Stefanov, S.K. Varbev, MKdV-type of equations related to sl(N;C) algebra, Mathematics in Industry, editor/s:A. Slavova, Publisher:Cambridge Scholar Publishing, 2014, pages:335-344, ISBN:978-1443864015, PhD
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2014
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12
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V.S. Gerdjikov, D.M. Mladenov, A.A. Stefanov, S.K. Varbev, On a one-parameter family of mKdV equations related to the so(8) Lie algebra, Mathematics in Industry, editor/s:A. Slavova, Publisher:Cambridge Scholar Publishing, 2014, pages:345-354, ISBN:978-1443864015, PhD
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2014
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| Студия в научно списание |
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Gerdjikov, V.S., Mladenov, D.M., Stefanov, A.A., Varbev, S.K., THE mKDV-TYPE EQUATIONS RELATED TO A(5)((1)) AND A(5)((2)) KAC-MOODY ALGEBRAS, THEORETICAL AND MATHEMATICAL PHYSICS, vol:207, issue:2, 2021, pages:604-625, ISSN (print):0040-5779, ISSN (online):1573-9333, doi:10.1134/S0040577921050068, Ref, SCOPUS, SJR (0.315 - 2022), SCOPUS Quartile: Q3 (Mathematical Physics)
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2021
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| Участие в конференция |
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1
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Секционен доклад, Александър Стефанов, Euler angles parametrization of a two qubit system
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2019
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2
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Секционен доклад, Александър Стефанов, Dynamics and Control of a 3D Printed Walking Robot
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2019
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3
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Секционен доклад, Александър Стефанов, MKdV equations related to Kac-Moody algebras of type D_4^(k)
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2019
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4
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Секционен доклад, Александър Стефанов, On An Example Of а Derivative Nonlinear Schrodinger Equation With D_2 Reduction
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2018
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5
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Секционен доклад, Александър Стефанов, MkDV-type equations related to the affine Lie algebras D4(1) , D4(2) and D4(3)
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2015
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6
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Секционен доклад, Александър Стефанов, MkDV-type equations related to the affine Lie algebras D4(s)
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2014
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7
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Секционен доклад, Александър Стефанов, On a Family of MKdV Equations Related to so(8) Algebra
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2013
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8
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Постер, Александър Стефанов, On MKdV equations related to so(8)
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2013
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