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Научни приноси на проф. доктор на науките Стойчо Язаджиев
Глава от книга
Daniela D. Doneva, Stoytcho Yazadjiev, Dynamics of Scalarization, Springer 2024
Монография
1 Petya Nedkova, Stoytcho Yazadjiev, Mathematical Theory of Black Holes in Higher Dimensions, Springer, Lect.Notes Phys. 1031 (2024) 2024
2 Petya Nedkova, Stoytcho Yazadjiev, "Mathematical aspects of static and stationary higher dimensional spacetimes", Ref, Рецензирано 2019
Научен проект
1 Стойчо Язаджиев, Машинно обучение чрез физично информирани невронни мрежи, Член, , Номер на договора:KP-06-N62/6 2023
2 Стойчо Язаджиев, Тестване на природата на самогравитиращи компактни обекти с горещи петна, Член, , Номер на договора:КП-06-ПН-68/7 2023
3 Стойчо Язаджиев, Търсене на нови фундаментални полета в ерата на многоканалната астрофизика, Член, , Номер на договора:BG-RRP-2.004-0008-C01 2023
4 Стойчо Язаджиев, Ултракомпакни обекти в Айнщайновата и модифицираните теории на гравитациията и фотонни структури, Член, , Номер на договора:КП-06-РУСИЯ/13 2020
5 Стойчо Язаджиев, Астрофизични ограничения върху уравнението на състоянието на неутронната материя и ефекти, дължащи се на съвременни реалистични ядрени потенциали, включващи многонуклонни взаимодействия, Член, , Номер на договора:KP-06-N-38/12 2019
6 Стойчо Язаджиев, Сенки и релативистични изображения на акреционни дискове: нов поглед върху свойствата на компактните обекти, Член, , Номер на договора:КП-06-Н38/2 2019
7 Стойчо Язаджиев, Черни дупки и тяхната динамика в скаларно-тензорните теории, Ръководител, 2019
8 Стойчо Язаджиев, Гравитационни вълни от осцилиращи неутронни звезди в модифицирани теории на гравитацията, Ръководител, , Номер на договора:DCOST 01/6 2018
Научно ръководство
1 Стойчо Язаджиев, Ограничения върху теории на гравитацията в силен режим чрез анализ на компактни астрофизични обекти, дисертация д-р:Виктор Данчев 2023
2 Стойчо Язаджиев, Структура и астрофизика на самогравитиращи обекти в мулти-скаларни теории, дисертация д-р:Радостина Желева 2023
3 Стойчо Язаджиев, Числено изследване на компактни самогравитиращи обекти и тяхната динамика в гравитационни теории, дисертация д-р:Димитър Попчев 2019
4 Стойчо Язаджиев, Структура и свойства на статични пространствено-времеви многообразия с особени повърхнини, дисертация д-р:Боян Лазов 2018
5 Стойчо Язаджиев, Сенки на самогравитиращи компактни обекти, дисертация д-р:Васил Тинчев 2016
6 Стойчо Язаджиев, Числено моделиране на структурата и свойствата на компактни обекти в астрофизиката, дисертация д-р:Калин Стайков 2016
7 Стойчо Язаджиев, Black Hole Solutions to the Higher Dimensional Einstein-Maxwell Equations, ФзФ, СУ дисертация д-р:Петя Недкова 2012
8 Стойчо Язаджиев, Numerical study of self-gravitating objects with a scalar field - structure, quasinormal modes and stability, ФзФ, СУ дисертация д-р:Даниела Донева 2012
9 Стойчо Язаджиев, Гравитационни лещи, ФзФ, СУ дисертация д-р:Галин Гюлчев 2010
10 Стойчо Язаджиев, Заредени черни дупки в Скаларно-тензорните теории на гравитацията с нелинеен лагранжиан на електромагнитното поле, ФзФ, СУ дисертация д-р:Иван Стефанов 2009
Статия в научно списание
1 Alan Tsz-Lok Lam, Kalin V. Staykov, Hao-Jui Kuan, Daniela Doneva, Stoytcho Yazadjiev, Axisymmetric stability of neutron stars as extreme rotators in massive scalar-tensor theory, Physical Review D, 2025, Ref 2025
2 Llibert Aresté Saló, Daniela D. Doneva, Katy Clough, Pau Figueras, Stoytcho Yazadjiev, Challenges in the nonlinear evolution of unequal mass binaries in scalar-Gauss-Bonnet gravity, Physical Review D, 2025, Ref 2025
3 Stoytcho Yazadjiev, David J. Kaup and boson stars, Studies in Applied Mathematics, 2025, Ref 2025
4 Stoytcho Yazadjiev, Daniela D. Doneva, No-hair theorems in general relativity and scalar–tensor theories, International Journal of Modern Physics D, 2025, Ref 2025
5 Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Observing naked singularities by the present and next-generation Event Horizon Telescope, Physical Review D, vol:111, issue:064068, 2025, ISSN (print):1550-7998, ISSN (online):2470-0029, doi:https://doi.org/10.1103/PhysRevD.111.064068, Ref, Web of Science, IF (4.6 - 2023), SCOPUS, SJR (1.639 - 2023), PhD 2025
6 Lorenzo Cipriani, Edoardo Giangrandi, Violetta Sagun, Daniela Doneva, Stoytcho Yazadjiev, Rapidly spinning dark matter-admixed neutron stars, Physical Review D, 2025, Ref 2025
7 Zexin Hu, Daniela D. Doneva, Ziming Wang, Vasileios Paschalidis, Gabriele Bozzola, Stoytcho Yazadjiev, Ringdown mode amplitudes of charged binary black holes, Physical Review D, 2025, Ref 2025
8 Kalin Staykov, Daniela D. Doneva, Pedro G.S. Fernandes(, Stoytcho Yazadjiev, Rotating scalarized black holes: The role of the coupling, Physical Review D, 2025, Ref 2025
9 Daniela D. Doneva, Llibert Aresté Saló, Stoytcho Yazadjiev, 3 + 1 nonlinear evolution of Ricci-coupled scalar-Gauss-Bonnet gravity, Physical Review D, 2024, Ref, Web of Science Quartile: Q1 (2024), SCOPUS Quartile: Q1 (2024), International 2024
10 Daniela D. Doneva, Stoytcho Yazadjiev, Black hole no-hair theorem for self-gravitating time-dependent spherically symmetric multiple scalar fields, : Eur.Phys.J.C, 2024, Ref, Web of Science Quartile: Q1 (2024), SCOPUS Quartile: Q1 (2024), International 2024
11 Kalin V. Staykov, Petar Y. Yordanov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Neutron stars in extended scalar-Gauss–Bonnet gravity: the richness of the solution spectrum, European Physical Journal C, 2024, doi:10.1140/epjc/s10052-024-13704-7, Ref, Web of Science, IF (4.2 - 2023), Web of Science Quartile: Q1 (2023), SCOPUS, SJR (1.45 - 2023), SCOPUS Quartile: Q1 (2023), International, PhD 2024
12 Raimon Luna, Daniela D. Doneva, José A. Font, Jr-Hua Lien, Stoytcho Yazadjiev, Quasinormal modes in modified gravity using physics-informed neural networks, Physical Review D, 2024, Ref, Web of Science Quartile: Q1 (2024), SCOPUS Quartile: Q1 (2024), International 2024
13 Galin Gyulchev, Ayush Roy, Lucas Collodel, Petya Nedkova, Stoytcho Yazadjiev, Daniela Doneva, Shadows of rotating hairy Kerr black holes coupled to time periodic scalar fields with a non-flat target space, Physical Review D, 2024, doi:https://journals.aps.org/prd/abstract/10.1103/PhysRevD.109.104051, Ref, Web of Science, International 2024
14 Galin N. Gyulchev, Ayush Roy, Lucas G. Collodel, Petya G. Nedkova, Stoytcho S. Yazadjiev, Daniela D. Doneva, Shadows of rotating hairy Kerr black holes coupled to time periodic scalar fields with non-flat target space, Phys.Rev.D 109, 10, 104051, 2024, doi:https://doi.org/10.48550/arXiv.2402.08469, Ref, Web of Science, IF (4.853 - 2024), Web of Science Quartile: Q1 (Q1), SCOPUS, SJR (1.46 - 2024), SCOPUS Quartile: Q1 (Q1), International, PhD 2024
15 Eugeny Babichev, Christos Charmousis, Daniela D. Doneva, Galin N. Gyulchev, Stoytcho S. Yazadjiev, Testing disformal non-circular deformation of Kerr black holes with LISA, Journal of Cosmology and Astroparticle Physics, vol:06, issue:065, 2024, pages:20-0, doi:10.1088/1475-7516/2024/06/065, Ref, Web of Science, IF (2.739 - 2023), Web of Science Quartile: Q2 (2024), SCOPUS, SJR (0.93 - 2023), SCOPUS Quartile: Q2 (2024), International 2024
16 Petar Y. Yordanov, Kalin V. Staykov, Stoytcho S. Yazadjiev, Daniela D. Doneva, The power of binary pulsars in testing Gauss-Bonnet gravity, Astronomy and Astrophysics, 2024, doi:10.1051/0004-6361/202449679, Ref, Web of Science, IF (5.4 - 2023), Web of Science Quartile: Q1 (203), SCOPUS, SJR (1.9 - 2023), SCOPUS Quartile: Q1 (2023), International, PhD 2024
17 Kalin V. Staykov, Daniela D. Doneva, Lavinia Heisenberg, Nikolaos Stergioulas, Stoytcho Yazadjiev, Differentially rotating scalarized neutron stars with realistic postmerger profiles, Physical Review D, 2023, Ref, Web of Science Quartile: Q1 (2023), SCOPUS Quartile: Q1 (2023), International 2023
18 Sebastian Bahamonde, Daniela D. Doneva, Ludovic Ducobu, Christian Pfeifer, Stoytcho Yazadjiev, Distinctive features of hairy black holes in teleparallel Gauss-Bonnet gravity, Physical Review D, 2023, Ref, Web of Science Quartile: Q1 (2023), SCOPUS Quartile: Q1 (2023), International 2023
19 Hao-Jui Kuan, Alan Tsz-Lok Lam, Daniela D. Doneva, Stoytcho Yazadjiev, Masaru Shibata, Dynamical scalarization during neutron star mergers in scalar-Gauss-Bonnet theory, Physical Review D, 2023, Ref, Web of Science Quartile: Q1 (2023), SCOPUS Quartile: Q1 (2023), International 2023
20 Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Polarized image of equatorial emission in horizonless spacetimes: naked singularities, PHYSICAL REVIEW D, vol:108, issue:104049, 2023, ISSN (print):1539-3755, ISSN (online):1550-2376, doi:https://doi.org/10.1103/PhysRevD.108.104049, Ref, Web of Science, IF (4.973 - 2022), Web of Science Quartile: Q1 (2023), SCOPUS, SJR (1.64 - 2022), SCOPUS Quartile: Q1 (2023), PhD 2023
21 Sebastian Bahamonde, Daniela D. Doneva, Ludovic Ducobu, Christian Pfeifer, Stoytcho Yazadjiev, Spontaneous scalarization of black holes in Gauss-Bonnet teleparallel gravity, Physical Review D, 2023, Ref, IF (5.04 - ), Web of Science Quartile: Q1 (2023), SCOPUS Quartile: Q1 (2023), International 2023
22 Daniela D. Doneva, Llibert Aresté Saló, Katy Clough, Pau Figueras, Stoytcho Yazadjiev, Testing the limits of scalar-Gauss-Bonnet gravity through nonlinear evolutions of spin-induced scalarization, Physical Review D, 2023, Ref, Web of Science Quartile: Q1 (2023), SCOPUS Quartile: Q1 (2023), International 2023
23 Kalin V. Staykov, Jose Luis Blázquez-Salcedo, Daniela D. Doneva, Jutta Kunz, Petya Nedkova, Stoytcho S. Yazadjiev, Axial perturbations of hairy Gauss-Bonnet black holes with massive self-interacting scalar field, Physical Review D, vol:105, issue:4, 2022, pages:44040-0, doi:10.1103/PhysRevD.105.044040, Ref, Web of Science, IF (5.296 - 2020), Web of Science Quartile: Q1 (2020), SCOPUS, SJR (1.89 - 2020), SCOPUS Quartile: Q1 (2020), International 2022
24 Daniela Doneva, Stoytcho Yazadjiev, Beyond the spontaneous scalarization: New fully nonlinear mechanism for the formation of scalarized black holes and its dynamical development , Physical Review D, 2022, International 2022
25 Danchev V, Daniela Doneva, Stoytcho Yazadjiev, Constraining scalarization in scalar-Gauss-Bonnet gravity through binary pulsars , Physical Review D, 2022 2022
26 Daniela Doneva, Vano-Vinuales A., Stoytcho Yazadjiev, Dynamical descalarization with a jump during a black hole merger , Physical Review D, 2022, International 2022
27 Collodel L., Daniela Doneva, Stoytcho Yazadjiev, Equatorial extreme-mass-ratio inspirals in Kerr black holes with scalar hair spacetimes , Physical Review D, 2022, International 2022
28 Kuan, Hao-Jui, Suvorov A., Daniela Doneva, Stoytcho Yazadjiev, Gravitational Waves from Accretion-Induced Descalarization in Massive Scalar-Tensor Theory , Physical Review Letters, 2022, International 2022
29 Arun, Belgacem, Stoytcho Yazadjiev, New horizons for fundamental physics with LISA , Living Reviews in Relativity, vol:25, issue:1, 2022, International 2022
30 Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Observational features of thin accretion disks around traversable wormholes, Journal of Physics: Conference Series, 2022, Ref, Web of Science, PhD 2022
31 Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Polarized image of equatorial emission in horizonless spacetimes: Traversable wormholes, Physical Review D, 2022, Ref, Web of Science, PhD 2022
32 Valentin Deliyski, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Polarized image of equatorial emission in horizonless spacetimes: Traversable wormholes, Physical Review D, vol:106, issue:10, 2022, ISSN (print):0031-899X, ISSN (online):1536-6065, doi:https://doi.org/10.48550/arXiv.2206.09455, Ref, IF, IF (4.973 - 2022), Web of Science Quartile: Q1 (2022), PhD 2022
33 Blázquez-Salcedo, J.L., Daniela Doneva, Kunz J., Stoytcho Yazadjiev, Radial perturbations of scalar-Gauss-Bonnet black holes beyond spontaneous scalarization , Physical Review D, 2022, International 2022
34 Daniela Doneva, Collodel L, Stoytcho Yazadjiev, Spontaneous nonlinear scalarization of Kerr black holes , Physical Review D, 2022 2022
35 Lucas Collodel, Daniela Doneva, Stoytcho Yazadjiev, Circular Orbit Structure and Thin Accretion Disks around Kerr Black Holes with Scalar Hair, Astrophysical Journal, 2021, Ref, Web of Science Quartile: Q1 (2021), International 2021
36 Stoytcho Yazadjiev, Classification of static asymptotically flat spacetimes with a photon sphere in Einstein-multiple-scalar field theory, Physical Review D, 2021, Ref, Web of Science Quartile: Q1 (2021) 2021
37 Hao-Jui Kuan, Daniela Doneva, Stoytcho Yazadjiev, Dynamical Formation of Scalarized Black Holes and Neutron Stars through Stellar Core Collapse, Physical Review Letters, 2021, Ref, Web of Science Quartile: Q1 (2021), International 2021
38 Daniela Doneva, Stoytcho Yazadjiev, Dynamics of the nonrotating and rotating black hole scalarization , Physical Review D, 2021, Ref, Web of Science Quartile: Q1 (2021), International 2021
39 Galin Gyulchev, Petya Nedkova, Tsvetan Vetsov, Stoytcho Yazadjiev, Image of the thin accretion disk around compact objects in the Einstein-Gauss-Bonnet gravity, Eur. Phys. J. C , vol: 81, issue: 10, 2021, doi: https://doi.org/10.1140/epjc/s10052-021-09624-5, Ref, Web of Science, IF (4.59 - 2020), Web of Science Quartile: Q1 (2021), SCOPUS, SJR (1.94 - 2020), SCOPUS Quartile: Q1 (2021) 2021
40 Hao-Jui Kuan, Jasbir Singh, Daniela Doneva, Stoytcho Yazadjiev, Kostas Kokkotas, Nonlinear evolution and nonuniqueness of scalarized neutron stars, Physical Review D, 2021, Ref, Web of Science Quartile: Q1 (2021), International 2021
41 Riccardo Falcone, Daniela Doneva, Kostas Kokkotas, Stoytcho Yazadjiev, Nonlinear stability of soliton solutions for massive tensor-multiscalar theories, Physical Review D, 2021, Ref, Web of Science Quartile: Q1 (2021), International 2021
42 Efthimia Deligianni, Jutta Kunz, Petya Nedkova, Stoytcho Yazadjiev, Radostina Zheleva, Quasiperiodic oscillations around rotating traversable wormholes, Physical Review D, 2021, Ref, Web of Science Quartile: Q1 (2021), International 2021
43 Efthimia Deligianni, Burkhard Kleihaus, Jutta Kunz, Petya Nedkova, Stoytcho Yazadjiev, Quasiperiodic oscillations in rotating Ellis wormhole spacetimes, Physical Review D, 2021, Ref, Web of Science Quartile: Q1 (2021), International 2021
44 Daniela Doneva, Stoytcho Yazadjiev, Relativistic stars in 4D Einstein-Gauss-Bonnet gravity, Journal of Cosmology and Astroparticle Physics, 2021, Ref, Web of Science Quartile: Q2 (2021), International 2021
45 Daniela Doneva, Stoytcho Yazadjiev, Spontaneously scalarized black holes in dynamical Chern-Simons gravity: dynamics and equilibrium solutions, Physical Review D, 2021, Ref, Web of Science Quartile: Q1 (2021), International 2021
46 Matheus C. Teodoro, Lucas G. Collodel, Daniela Doneva, Jutta Kunz, Petya Nedkova, Stoytcho Yazadjiev, Thick toroidal configurations around scalarized Kerr black holes, Phys. Rev. D 104 (2021) 12, 124047, 2021, doi:https://doi.org/10.1103/PhysRevD.104.124047, Ref, IF, IF (5.296 - 2020), Web of Science Quartile: Q1 (2021), International 2021
47 Jose Luis Blázquez-Salcedo, Daniela Doneva, Sarah Kahlen, Jutta Kunz, Petya Nedkova, Stoytcho Yazadjiev, Axial perturbations of the scalarized Einstein-Gauss-Bonnet black holes, Phys. Rev. D 101, 104006 (2020), 2020, doi:10.1103/PhysRevD.101.104006, Ref, IF, IF (4.689 - ), Web of Science Quartile: Q1 (2020), SCOPUS, SJR ( - 2020), SCOPUS Quartile: Q1 (2020), International 2020
48 Daniela Doneva, Lucas Collodel, Christian Kruger, Stoytcho Yazadjiev, Black hole scalarization induced by the spin -- 2+1 time evolution, Phys.Rev.D 102 (2020) 10, 104027, 2020, doi: 10.1103/PhysRevD.102.084055, Ref, IF, IF (4.689 - 2020), Web of Science Quartile: Q1 (2020), SCOPUS Quartile: Q1 (2020), International 2020
49 Daniela D. Doneva, Kalin V. Staykov, Stoytcho S. Yazadjiev, Radostina Z. Zheleva, Multiscalar Gauss-Bonnet gravity: Hairy black holes and scalarization, Physical Review D, vol:102, issue:6, 2020, pages:64042-0, doi:10.1103/PhysRevD.102.064042, Ref, Web of Science, IF (4.833 - 2019), Web of Science Quartile: Q1 (2020), SCOPUS, SJR (1.66 - 2019), SCOPUS Quartile: Q1 (2020), International, PhD 2020
50 Daniela Doneva, Stoytcho Yazadjiev, No-hair theorems for non-canonical self-gravitating static multiple scalar fields, Phys. Rev. D 102, 084055 (2020), 2020, doi: 10.1103/PhysRevD.102.084055, Ref, IF, IF (4.689 - 2020), Web of Science Quartile: Q1 (2020), SCOPUS Quartile: Q1 (2020), International 2020
51 Daniela Doneva, Stoytcho Yazadjiev, Non-topological spontaneously scalarized neutron stars in tensor-multi-scalar theories of gravity, Phys. Rev. D 101, 104010 (2020), 2020, doi: 10.1103/PhysRevD.101.104010, Ref, IF, IF (4.689 - 2020), Web of Science Quartile: Q1 (2020), SCOPUS, SJR ( - 2020), SCOPUS Quartile: Q1 (2020), International 2020
52 Galin Gyulchev, Jutta Kunz, Petya Nedkova, Tsvetan Vetsov, Stoytcho Yazadjiev, Observational signatures of strongly naked singularities: image of the thin accretion disk, The European Physical Journal C, vol:80, 2020, doi:https://doi.org/10.1140/epjc/s10052-020-08575-7, Ref, Web of Science, IF (4.843 - 2018), Web of Science Quartile: Q1 (2020), SCOPUS, SJR (1.76 - 2019), SCOPUS Quartile: Q1 (2020), International 2020
53 Jose Luis Blázquez-Salcedo, Daniela Doneva, Sarah Kalhen, Jutta Kunz, Petya Nedkova, Stoytcho Yazadjiev, Polar quasinormal modes of the scalarized Einstein-Gauss-Bonnet black holes, Phys. Rev. D 102, 024086 (2020), 2020, doi:10.1103/PhysRevD.102.024086, Ref, IF, IF (4.689 - 2020), Web of Science Quartile: Q1 (2020), SCOPUS Quartile: Q1 (2020), International 2020
54 Lucas Collodel, Daniela Doneva, Stoytcho Yazadjiev, Rotating tensor-multiscalar black holes with two scalars, Phys. Rev. D 102, 084032 (2020), 2020, doi: 10.1103/PhysRevD.102.084032, Ref, IF, IF (4.689 - 2020), Web of Science Quartile: Q1 (2020), SCOPUS Quartile: Q1 (2020), International 2020
55 Lucas Collodel, Daniela Doneva, Stoytcho Yazadjiev, Rotating tensor-multi-scalar solitons, Phys. Rev. D 101, 044021 (2020), 2020, doi:10.1103/PhysRevD.101.044021, Ref, IF, IF (4.689 - 2020), Web of Science Quartile: Q1 (2020), SCOPUS Quartile: Q1 (2020), International 2020
56 Victor Danchev, Daniela Doneva, Stoytcho Yazadjiev, Slowly rotating topological neutron stars -- universal relations and epicyclic frequencies, The European Physical Journal C volume 80, Article number: 878 (2020) , 2020, doi: 10.1140/epjc/s10052-020-08473-y, Ref, IF, IF (4.689 - ), Web of Science Quartile: Q1 (2020), SCOPUS Quartile: Q1 (2020), International 2020
57 Daniela Doneva, Lucas Collodel, Christian Kruger, Stoytcho Yazadjiev, Spin-induced scalarization of Kerr black holes with a massive scalar field, European Physical Journal C, vol:80, issue:1205, 2020, Ref, Web of Science, Web of Science Quartile: Q1 (2020), International 2020
58 Daniela Doneva, Stoytcho Yazadjiev, Kostas Kokkotas, Stability of topological neutron stars, Phys. Rev. D 102, 044043 (2020), 2020, doi:10.1103/PhysRevD.102.044043, Ref, IF, IF (4.689 - 2020), Web of Science Quartile: Q1 (2020), SCOPUS Quartile: Q1 (2020), International 2020
59 Daniela Doneva, Stoytcho Yazadjiev, Topological neutron stars in tensor-multi-scalar theories of gravity, Phys. Rev. D 101, 064072 (2020), 2020, doi:https://journals.aps.org/prd/abstract/10.1103/PhysRevD.101.064072, Ref, IF, IF (4.3689 - 2020), Web of Science Quartile: Q1 (2020), International 2020
60 Daniela D. Doneva, Kalin V. Staykov, Stoytcho S. Yazadjiev, Gauss-Bonnet black holes with a massive scalar field, PHYSICAL REVIEW D, vol:99, issue:10, 2019, pages:104045-0, doi:10.1103/PhysRevD.99.104045, Ref, Web of Science, IF (4.833 - 2019), Web of Science Quartile: Q1 (2019), SCOPUS, SJR (1.972 - 2018), SCOPUS Quartile: Q1 (2019), International 2019
61 Dimitar Popchev, Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Moment of inertia–mass universal relations for neutron stars in scalar-tensor theory with self-interacting massive scalar field, The European Physical Journal C , vol:79, issue:2, 2019, pages:178-0, doi:https://doi.org/10.1140/epjc/s10052-019-6691-x, Ref, Web of Science, IF (4.389 - 2019), Web of Science Quartile: Q1 (2019), SCOPUS, SJR (1.703 - 2018), SCOPUS Quartile: Q1 (2019), PhD 2019
62 Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Orbital and epicyclic frequencies in massive scalar-tensor theory with self-interaction, Astrophysics and Space Science, vol:364, issue:10, 2019, pages:178-0, ISSN (print):0004-640X, ISSN (online):1572-946X, doi:https://doi.org/10.1007/s10509-019-3666-1, Ref, Web of Science, IF (1.62 - 2019), Web of Science Quartile: Q3 (2019), SCOPUS, SJR (0.468 - 2018), SCOPUS Quartile: Q3 (2019) 2019
63 Jose Luis Blázquez-Salcedo, Zahra Altaha Motahar, Daniela D. Doneva, Fech Scen Khoo, Jutta Kunz, Sindy Mojica, Kalin V. Staykov, Stoytcho S. Yazadjiev, Quasinormal modes of compact objects in alternative theories of gravity, The European Physical Journal Plus, vol:134, issue:1, 2019, pages:46-0, ISSN (online):2190-5444, doi:https://doi.org/10.1140/epjp/i2019-12392-9, Ref, Web of Science, IF (3.228 - 2019), Web of Science Quartile: Q2 (2019), SCOPUS, SJR (0.535 - 2018), SCOPUS Quartile: Q2 (2019), International 2019
64 Daniela Doneva, Stella Kiorpelidi, Petya Nedkova, Eleftherios Papantonopoulos, Stoytcho Yazadjiev, Charged Gauss-Bonnet black holes with curvature induced scalarization in the extended scalar-tensor theories , Phys. Rev. D, issue:98, 104056 , 2018, doi:10.1103/PhysRevD.98.104056 , Ref, Web of Science, IF ( - 2017), SCOPUS, SJR ( - 2017), International 2018
65 Jose Luis Blázquez-Salcedo, Daniela D. Doneva, Jutta Kunz, Kalin V. Staykov, Stoytcho S. Yazadjiev, Axial quasi-normal modes of neutron stars in R^2 gravity, PHYSICAL REVIEW D, vol:98, issue:10, 2018, pages:104047-0, doi:10.1103/PhysRevD.98.104047, Ref, Web of Science, IF (4.368 - 2018), Web of Science Quartile: Q1 (2018), SCOPUS, SJR (1.703 - 2018), SCOPUS Quartile: Q1 (2018), International 2018
66 Jai Grover, Jutta Kunz, Petya Nedkova, Alexander Wittig, Stoytcho Yazadjiev, Multiple shadows from distorted static black holes, Phys.Rev. D, issue:97, 084024 , 2018, doi: 10.1103/PhysRevD.97.084024, Ref, Web of Science, IF ( - 2017), SCOPUS, SJR ( - 2017), International 2018
67 S. Yazadjiev, D. Doneva, K. Kokkotas, Tidal Love numbers of neutron stars in f(R) theories, European Journal of Physics C, том:78, брой:10, 2018, в сътрудничество с чуждестранни учени 2018
68 B. Lazov, P. Nedkova, S. Yazadjiev, Uniqueness theorem for static phantom wormholes in Einstein-Maxwell-dilaton theory , Phys. Lett. B, 2018, Ref, IF, IF (4.8 - ) 2018
69 J. Kunz, P. Nedkova, S. Yazadjiev, Magnetized Black Holes in an External Gravitational Field. , Phys. Rev. D, том:96, 2017, стр.:24017-0, Ref, IF, IF (4.568 - 2016), в сътрудничество с чуждестранни учени 2017
70 S. Yazadjiev, D. Doneva, K. Kokkotas, Oscillation modes of rapidly rotating neutron stars in scalar-tensor theories of gravity. , Phys. Rev. D, том:96, 2017, стр.:64002-0, Ref, IF, IF (4.568 - 2016), в сътрудничество с чуждестранни учени 2017
71 S. Yazadjiev, Uniqueness theorem for static wormholes in Einstein-phantom scalar field theory, Phys. Rev. D, том:96, 2017, стр.:44045-0, Ref, IF, IF (4.568 - 2016) 2017
72 Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Accretion disks around neutron and strange stars in R+aR(2) gravity , JCAP, vol:1608, 2016, pages:61-61, Ref, Web of Science, IF (4.734 - 2016), Web of Science Quartile: Q2 (2016), SCOPUS, SJR (0.999 - 2016), SCOPUS Quartile: Q2 (2016), International, PhD 2016
73 Stoytcho Yazadjiev, Boian Lazov, Classification of the static and asymptotically flat Einstein-Maxwell-dilaton spacetimes with a photon sphere , Phys.Rev. D, том:93, 2016, стр.:83002-83002, Ref, Web of Science, PhD 2016
74 Kalin V. Staykov, K. Yavuz Ekşi, Stoytcho S. Yazadjiev, M. Metehan Türkoğlu, A. Savaş Arapoğlu, Moment of inertia of neutron star crust in alternative and modified theories of gravity , Phys.Rev. D, vol:94, issue:2, 2016, pages:24056-0, doi:10.1103/PhysRevD.94.024056, Ref, Web of Science, IF (4.557 - 2016), Web of Science Quartile: Q1 (2016), SCOPUS, SJR (2115 - 2016), SCOPUS Quartile: Q1 (2016), International, PhD 2016
75 Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Moment-of-inertia–compactness universal relations in scalar-tensor theories and R^2 gravity, Phys.Rev. D, vol:93, issue:8, 2016, pages:84010-0, doi:10.1103/PhysRevD.93.084010, Ref, Web of Science, IF (4.557 - 2016), Web of Science Quartile: Q1 (2016), SCOPUS, SJR (2.115 - 2016), SCOPUS Quartile: Q1 (2016), International, PhD 2016
76 Daniela D. Doneva, Stoytcho S. Yazadjiev, Rapidly rotating neutron stars with a massive scalar field—structure and universal relations, JCAP, том:1611, 2016, стр.:19-19, Ref, IF, IF (4.734 - 2016), в сътрудничество с чуждестранни учени 2016
77 Stoytcho S. Yazadjiev, Daniela D. Doneva, Dimitar Popchev, Slowly rotating neutron stars in scalar-tensor theories with a massive scalar field , Phys.Rev. D, том:93, 2016, стр.:84038-84038, Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD 2016
78 Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Kostas D. Kokkotas, Gravitational wave asteroseismology of neutron and strange stars in R$^2$ gravity, Phys.Rev. D, vol:92, issue:4, 2015, pages:43009-0, doi:10.1103/PhysRevD.92.043009, Ref, Web of Science, IF (4.506 - 2015), Web of Science Quartile: Q1 (2015), SCOPUS, SJR (2.236 - 2015), SCOPUS Quartile: Q1 (2015), International, PhD 2015
79 Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Orbital and epicyclic frequencies around neutron and strange stars in $R^2$ gravity, Eur.Phys.J. C, vol:75, issue:12, 2015, pages:607-0, doi:10.1140/epjc/s10052-015-3789-7, Ref, Web of Science, IF (4.912 - 2015), Web of Science Quartile: Q1 (2015), SCOPUS, SJR (1.139 - 2015), SCOPUS Quartile: Q1 (2015), PhD 2015
80 Stoytcho S. Yazadjiev, Daniela D. Doneva, Kostas D. Kokkotas, Rapidly rotating neutron stars in R-squared gravity, Phys.Rev. D, том:91, 2015, стр.:84018-0, doi:10.1103/PhysRevD.91.084018, Ref, Web of Science, в сътрудничество с чуждестранни учени 2015
81 Burkhard Kleihaus, Jutta Kunz, Stoytcho Yazadjiev, Scalarized Hairy Black Holes, Phys.Lett. B, том:744, 2015, стр.:406-412, doi:10.1016/j.physletb.2015.04.014, Ref, Web of Science, в сътрудничество с чуждестранни учени 2015
82 Daniela D. Doneva, Stoytcho S. Yazadjiev, Kostas D. Kokkotas, The I-Q relations for rapidly rotating neutron stars in $f(R)$ gravity, Phys.Rev. D, том:92, 2015, стр.:64015-0, doi:10.1103/PhysRevD.92.064015, Ref, Web of Science, в сътрудничество с чуждестранни учени 2015
83 Stoytcho Yazadjiev, Boian Lazov, Uniqueness of the static Einstein–Maxwell spacetimes with a photon sphere, Class.Quant.Grav., том:32, 2015, стр.:165021-0, doi:10.1088/0264-9381/32/16/165021, Ref, Web of Science, PhD 2015
84 Stoytcho S. Yazadjiev, Uniqueness of the static spacetimes with a photon sphere in Einstein-scalar field theory, Phys.Rev. D, том:91, 2015, стр.:123013-0, doi:10.1103/PhysRevD.91.123013, Ref, Web of Science 2015
85 Daniela D. Doneva, Stoytcho S. Yazadjiev, Nikolaos Stergioulas, Kostas D. Kokkotas, Breakdown of I-Love-Q universality in rapidly rotating relativistic stars, Astrophys.J. Lett., том:781, 2014, стр.:6-0, doi:10.1088/2041-8205/781/1/L6, Ref, Web of Science, в сътрудничество с чуждестранни учени 2014
86 Stoytcho S. Yazadjiev, Daniela D. Doneva, Kostas D. Kokkotas, Kalin V. Staykov, Non-perturbative and self-consistent models of neutron stars in R-squared gravity, JCAP, vol:1406, issue:6, 2014, pages:3-0, doi:10.1088/1475-7516/2014/06/003, Ref, Web of Science, IF (5.81 - 2014), Web of Science Quartile: Q2 (2014), SCOPUS, SJR (1.505 - 2014), SCOPUS Quartile: Q2 (2014), International, MSc 2014
87 Daniela D. Doneva, Stoytcho S. Yazadjiev, Nikolaos Stergioulas, Kostas D. Kokkotas, Tilemachos M. Athanasiadis, Orbital and epicyclic frequencies around rapidly rotating compact stars in scalar-tensor theories of gravity, Phys.Rev. D, том:90, 2014, стр.:44004-0, doi:10.1103/PhysRevD.90.044004, Ref, Web of Science, в сътрудничество с чуждестранни учени 2014
88 Vassil K. Tinchev, Stoytcho S. Yazadjiev, Possible imprints of cosmic strings in the shadows of galactic black holes, Int.J.Mod.Phys. D, том:23, 2014, стр.:1450060-0, doi:10.1142/S0218271814500606, Ref, Web of Science, PhD 2014
89 Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Kostas D. Kokkotas, Slowly rotating neutron and strange stars in $R^2$ gravity, JCAP, vol:1410, issue:10, 2014, pages:6-0, doi:10.1088/1475-7516/2014/10/006, Ref, Web of Science, IF (5.81 - 2014), Web of Science Quartile: Q2 (2014), SCOPUS, SJR (1.505 - 2014), SCOPUS Quartile: Q2 (2014), International, MSc 2014
90 Daniela D. Doneva, Stoytcho S. Yazadjiev, Kalin V. Staykov, Kostas D. Kokkotas, Universal I-Q relations for rapidly rotating neutron and strange stars in scalar-tensor theories, Phys.Rev. D, vol:90, issue:10, 2014, pages:104021-0, doi:10.1103/PhysRevD.90.104021, Ref, Web of Science, IF (5.06 - 2014), Web of Science Quartile: Q1 (2014), SCOPUS, SJR (2.414 - 2014), SCOPUS Quartile: Q1 (2014), International, MSc 2014
91 Stoytcho S. Yazadjiev, Area-angular momentum-charge inequality for stable marginally outer trapped surfaces in 4D Einstein-Maxwell-dilaton theory, Phys. Rev. D, том:87, 2013, стр.:24016-0, doi:10.1103/PhysRevD.87.024016, Ref, Web of Science 2013
92 Stoytcho S. Yazadjiev, Electrically charged dilaton black holes in an external magnetic field, Phys.Rev. D, том:87, 2013, стр.:84068-0, doi:10.1103/PhysRevD.87.084068, Ref, Web of Science 2013
93 Stoytcho S. Yazadjiev, Horizon area-angular momentum-charge-magnetic fluxes inequalities in 5D Einstein-Maxwell-dilaton gravity, Class.Quant.Grav., том:30, 2013, стр.:115010-0, doi:10.1088/0264-9381/30/11/115010, Ref, Web of Science 2013
94 P. Nedkova, S. Yazadjiev, New Magnetized Squashed Black Holes -- Thermodynamics and Hawking Radiation, Eur. Phys. J. C73 , 2377 , 2013, doi:DOI: 10.1140/epjc/s10052-013-2377-y, Ref, Web of Science 2013
95 Petya G. Nedkova, Stoytcho S. Yazadjiev, New magnetized squashed black holes—thermodynamics and Hawking radiation, European Physical Journal C, том:73, 2013, стр.:2377-0, doi:10.1140/epjc/s10052-013-2377-y, Ref, Web of Science 2013
96 Ivan Zh. Stefanov, Galin G. Gyulchev, Stoytcho S. Yazadjiev, Quasiperiodic oscillations and Tomimatsu-Sato δ=2 space-time, Phys.Rev. D, том:87, 2013, стр.:83005-0, doi:10.1103/PhysRevD.87.083005, Ref, Web of Science 2013
97 Daniela D. Doneva, Stoytcho S. Yazadjiev, Nikolaos Stergioulas, Kostas D. Kokkotas, Rapidly rotating neutron stars in scalar-tensor theories of gravity, Phys.Rev. D, том:88, 2013, стр.:84060-0, doi:10.1103/PhysRevD.88.084060, Ref, Web of Science, в сътрудничество с чуждестранни учени 2013
98 P. Nedkova, V. Tinchev, S. Yazadjiev, Shadow of a rotating traversable wormhole, Physical Review D88 124019 , 2013, doi:DOI: 10.1103/PhysRevD.88.124019 , Ref, Web of Science 2013
99 Petya G. Nedkova, Vassil K. Tinchev, Stoytcho S. Yazadjiev, Shadow of a rotating traversable wormhole, Phys.Rev. D, том:88, 2013, стр.:124019-0, doi:10.1103/PhysRevD.88.124019, Ref, Web of Science, в сътрудничество с чуждестранни учени, PhD 2013
100 Stoytcho S. Yazadjiev, Thermodynamics of rotating charged dilaton black holes in an external magnetic field, Phys.Lett. B, том:723, 2013, стр.:411-416, doi:10.1016/j.physletb.2013.05.028, Ref, Web of Science 2013
101 Stoytcho S. Yazadjiev, Thermodynamics of rotating charged dilaton black holes in an external magnetic field, Phys.Lett. B, том:723, 2013, стр.:411-416, doi:10.1016/j.physletb.2013.05.028, Ref, Web of Science 2013
102 Peter I. Slavov, Stoytcho S. Yazadjiev, Hawking radiation of asymptotically non-flat dyonic black holes in Einstein-Maxwell-dilaton gravity, Phys. Rev. D, том:86, 2012, стр.:84042-0, doi:10.1103/PhysRevD.86.084042, Ref, Web of Science 2012
103 S. Yazadjiev, Kaluza-Klein rotating multi-black hole configurations with electromagnetic field in Einstein-Maxwell-dilaton gravity, Phys. Rev. D, том:86, 2012, стр.:107504-0, doi:10.1103/PhysRevD.86.107504, Ref, Web of Science 2012
104 P. Nedkova, S. Yazadjiev, Magnetized Black Hole on Taub-Nut Instanton, Physical Review D85 064021 , 2012, doi:DOI: 10.1103/PhysRevD.85.064021, Ref, Web of Science 2012
105 Daniela D. Doneva, Stoytcho S. Yazadjiev, Non-radial oscillations of anisotropic neutron stars in the Cowling approximation, Phys. Rev. D, том:85, 2012, стр.:124023-0, doi:10.1103/PhysRevD.85.124023, Ref, Web of Science, PhD 2012
106 Stoytcho S. Yazadjiev, Daniela D. Doneva, Possible dark energy imprints in gravitational wave spectrum of mixed neutron-dark-energy stars, JCAP, том:037, 2012, стр.:1203-0, doi:10.1088/1475-7516/2012/03/037 , Ref, Web of Science, PhD 2012
107 Stoytcho Yazadjiev, Relativistic models of magnetars: Nonperturbative analytical approach, Phys. Rev. D, том:85, 2012, стр.:44030-0, doi:10.1103/PhysRevD.85.044030 2012
108 P. Nedkova, S. Yazadjiev, On the Thermodynamics of 5D Black Holes on ALF Gravitational Instantons , Physical Review D 84 124040 , 2011, doi:10.1103/PhysRevD.84.124040, Ref, Web of Science 2011
109 Petya G. Nedkova, Stoytcho S. Yazadjiev, On the Thermodynamics of 5D Black Holes on ALF Gravitational Instantons, Phys. Rev. D, том:84, 2011, стр.:124040-0, doi:10.1103/PhysRevD.84.124040, Ref, Web of Science, PhD 2011
110 Galin N. Gyulchev, Stoytcho S. Yazadjiev, Analytical Kerr-Sen Dilaton-Axion Black Hole Lensing in the Weak Deflection Limit, Phys. Rev., том:D, 2010, стр.:23005-0, doi:10.1103/PhysRevD.81.023005, Ref, Web of Science 2010
111 Ivan Zh. Stefanov, Stoytcho S. Yazadjiev, Galin N. Gyulchev, Connection between black-hole quasinormal modes and lensing in the strong deflection limit, Phys. Rev. Lett., том:104, 2010, стр.:251103-0, doi:10.1103/PhysRevLett.104.251103, Ref, Web of Science 2010
112 P. Nedkova, S. Yazadjiev, Rotating black ring on Kaluza-Klein bubbles , Physical Review D 82 044010 , 2010, doi:10.1103/PhysRevD.82.044010 , Ref, Web of Science 2010
113 Stoytcho S. Yazadjiev, Petia G. Nedkova, Sequences of dipole black rings and Kaluza-Klein bubbles, JHEP 1001, 048 , 2010, doi:10.1007/JHEP01(2010)048 , Ref, Web of Science 2010
114 Galin N. Gyulchev, Stoytcho S. Yazadjiev, Gravitational Lensing by Rotating Naked Singularities, Physical Review D - Particles, Fields, Gravitation and Cosmology, брой:78, 2008, стр.:83004-0, doi:10.1103/PhysRevD.78.083004, Ref, Web of Science, IF (5.05 - 2008), SCOPUS, SJR (2.92 - 2008) 2008
115 Galin N. Gyulchev, Stoytcho S. Yazadjiev, Kerr-Sen Dilaton-Axion Black Hole Lensing in the Strong Deflection Limit, Physical Review D - Particles, Fields, Gravitation and Cosmology, брой:75, 2007, стр.:23006-0, doi:10.1103/PhysRevD.75.023006, Ref, Web of Science, IF (4.696 - 2007), SCOPUS, SJR (2.593 - 2007) 2007
Статия в поредица
1 Tsanimir Angelov, Rasim Bekir, Galin Gyulchev, Petya Nedkova, Stoytcho Yazadjiev, Polarized equatorial emission and hot spots around black holes with a dark matter halo, arxiv/gr-gr, 2025, doi:https://doi.org/10.48550/arXiv.2503.21395, PhD 2025
2 Galin Gyulchev, Jutta Kunz, Petya Nedkova, Tsvetan Vetsov, Stoytcho Yazadjiev, Observational signatures of strongly naked singularities: image of the thin accretion disk, Eur. Phys. J. C, issue: 80, 2020, doi: https://doi.org/10.1140/epjc/s10052-020-08575-7, Ref, Web of Science, IF (4.843 - 2018), Web of Science Quartile: Q1 (2020), SCOPUS, SJR (1.76 - 2019), SCOPUS Quartile: Q1 (2020), (https://inspirehep.net/literature/1785665), International 2020
3 Galin Gyulchev, Petya Nedkova, Tsvetan Vetsov, Stoytcho Yazadjiev, Image of the Janis-Newman-Winicour naked singularity with a thin accretion disk, Phys. Rev. D , issue: 100, Publisher:American Physical Society, 2019, pages:1-13, doi: https://doi.org/10.1103/PhysRevD.100.024055, Ref, Web of Science, IF (4.368 - 2019), Web of Science Quartile: Q1 (2019), SCOPUS, SJR (1.703 - 2019), SCOPUS Quartile: Q1 (2019) 2019
4 Galin Gyulchev, Petya Nedkova, Vassil Tinchev, Stoytcho Yazadjiev, On the shadow of rotating traversable wormholes, The European Physical Journal C, брой:78, издателство:SPRINGER, 233 SPRING ST, NEW YORK, NY 10013 USA, 2018, стр.:1-19, ISSN (print):1434-6044, ISSN (online):1434-6052, doi:10.1140/epjc/s10052-018-6012-9, Ref, Web of Science, SCOPUS Quartile: Q1 (PHYSICS, PARTICLES & FIELDS) 2018
5 Tsvetan Vetsov, Galin Gyulchev, Stoytcho Yazadjiev, Shadows of Black Holes in Vector-Tensor Galileons Modified Gravity, Cornell University Libary, 2018 2018
Статия в сборник (на конференция и др.)
1 Boian Lazov, Dimitar Popchev, Daniela Doneva, Stoytcho Yazadjiev, A neural network surrogate model for scalar-Gauss-Bonnet black holes using gradient descent with a cyclical learning rate, Journal of Physics: Conference Series - IOPscience, 2025, Ref 2025
2 Galin N. Gyulchev, Lucas G. Collodel, Stoytcho S. Yazadjiev, Daniela D. Doneva, Petya G. Nedkova, Images of a thin accretion disk around Kerr Black Hole with synchronized scalar hair, Journal of Physics: Conference Series, 3002, 012002, 2025, pages:1-10, doi:10.1088/1742-6596/3002/1/012002 2025
3 Llibert Aresté Saló, Daniela D. Doneva, Stoytcho Yazadjiev, Nonlinear evolution in extended scalar-Gauss-Bonnet gravity, Journal of Physics: Conference Series - IOPscience, 2025, Ref 2025
4 Galin N. Gyulchev, Ayush Roy, Lucas G. Collodel, Petya G. Nedkova, Stoytcho S. Yazadjiev, Daniela D. Doneva, Shadows of Kerr black holes with time dependent multiscalar hair, 17th Marcel Grossmann Meeting: On Recent Developments in Theoretical and Experimental General Relativity, Gravitation, and Relativistic Field Theories (MG17), 2025, International 2025
5 V. Deliyski, G. Gyulchev, P. Nedkova, S. Yazadjiev, Observational features of thin accretion disks around traversable wormholes, J. Phys.: Conf. Ser., 2022, pages:12002-12008, ISSN (print):1742-6588, ISSN (online):1742-6596, doi:10.1088/1742-6596/2255/1/012002, Ref, Web of Science, IF (0.5 - 2021), Web of Science Quartile: Q4 (2022), SCOPUS, SJR (0.21 - 2021), PhD 2022
6 Kalin V. Staykov, Daniela D. Doneva, Dimitar Popchev, Stoytcho S. Yazadjiev, Compact stars in massive scalar-tensor theory with extended dilaton potential, AIP Conference Proceedings, 2019, pages:40006-0, doi:https://doi.org/10.1063/1.5091166, Ref, IR , SCOPUS, SJR (0.182 - 2018), PhD 2019
7 G.Gyulchev, P. Nedkova, V. Tinchev, S. Yazadjiev, Cusp structure in shadows casted by rotating wormholes , AIP Conf.Proc. 2075 (2019) no.1, 040005, 2019, doi: 10.1063/1.5091165, Ref 2019
8 Kalin V. Staykov, Daniela D. Doneva, Stoytcho S. Yazadjiev, Kostas D. Kokkotas, Neutron and strange stars in R-squared gravity Read More: https://www.worldscientific.com/doi/abs/10.1142/9789813226609_0145, The Fourteenth Marcel Grossmann Meeting On Recent Developments in Theoretical and Experimental General Relativity, Astrophysics, and Relativistic Field Theories (In 4 Volumes), Publisher:World Scientific, 2017, pages:1557-1562, doi:10.1142/9789813226609_0145 , Ref, IR , SCOPUS, SJR (0.13 - 2020), International 2017
9 Kalin V. Staykov, Stoytcho S. Yazadjiev, Static and slowly rotating neutron stars in $R^2$ gravity, Proceedings of the 3rd Bulgarian National Congress on Physical Sciences, Sofia, Bulgaria, Sep. 29 - Oct. 02, 2016, 2017 2017
10 P. Nedkova, S. Yazadjiev, Charged Black Holes on the Taub-Bolt Instanton and Their Thermodynamics, Proceedings of the 13th Marcel Grossmann Meeting on Recent Developments in Theoretical and Experimental General Relativity, Astrophysics, and Relativistic Field Theories, редактор/и:Thibault Damour, Robert T. Jantzen , Remo Ruffini , издателство:World Scientific, 2015, стр.:1330-1332, doi:10.1142/9789814623995_0163, Ref 2015
11 P. Nedkova, S. Yazadjiev, Rotating black ring on Kaluza-Klein bubbles , Proceedings of the 2nd Conference of the Euro-American Consortium for Promoting the Application of Mathematics in Technical and Natural Sciences, редактор/и:Michail D. Todorov , Christo I. Christov , издателство:AIP Conf. Proc. 1301 , 2010, стр.:347-354, doi:10.1063/1.3526631 , Ref 2010