| Друго (научно-популярни и др. под.) |
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Alexander Petkov, The qc Yamabe problem on non-spherical quaternionic contact manifolds,
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2016
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| Статия в научно списание |
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1
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Stefan Ivanov, Alexander Petkov, The Riemannian curvature identities for the torsion connection on Spin(7)-manifold and generalized Ricci solitons, Mathematische Nachrichten, 2025, Ref, IF (0.8 - 2024), Web of Science Quartile: Q2 (2025)
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2025
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2
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Katzarkov, L. V., Lee, K. S., Svoboda, J., Petkov, A., Interpretations of Spectra, Springer Proceedings in Mathematics and Statistics, vol:409, 2023, pages:371-407, Ref, SCOPUS, SJR ( - 2023), International
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2023
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3
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Stefan Ivanov, Alexander Petkov, The Almost Schur Lemma in Quaternionic Contact Geometry, Revista de la Real Academia de Ciencias Exactas, Físicas y Naturales. Serie A. Matemáticas, 2023, doi:https://doi.org/10.1007/s13398-023-01403-z, Ref, IF, IF (2.9 - 2022), Web of Science Quartile: Q1 (15/333)
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2023
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4
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Stefan Ivanov, Alexander Petkov, The CR Almost Schur Lemma and the positivity conditions, Ann. Sc. Norm. Super. Pisa Cl. Sci.(5) XIII , 2023, doi:DOI: 10.2422/2036-2145.202301\_011, Ref, IF, IF (1.4 - 2022), Web of Science Quartile: Q1 (2023)
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2023
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5
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Alexander Petkov, On Some Applications of Entropy Formula for the Heat Equation on a Quaternionic Contact Manifold, Comptes rendus de l'Académie bulgare des Sciences, vol:73, issue:2, 2020, pages:179-189, ISSN (print):1310–1331, ISSN (online):2367–5535, doi:10.7546/CRABS.2020.02.05, Ref, Web of Science, IF (0.343 - 2019), Web of Science Quartile: Q4 (2020), SCOPUS, SJR (0.218 - 2019), SCOPUS Quartile: Q2 (2020)
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2020
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6
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Alexander Petkov, An Entropy Formula for the Heat Equation on a Quaternionic Contact Manifold, Comptes rendus de l'Académie bulgare des Sciences, vol:72, issue:10, 2019, pages:1301-1312, ISSN (print):1310–1331, ISSN (online):2367–5535, doi:10.7546/CRABS.2019.10.01, Ref, Web of Science, IF (0.343 - 2019), Web of Science Quartile: Q4 (2019), SCOPUS, SJR (0.218 - 2019), SCOPUS Quartile: Q2 (2019)
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2019
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7
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Stefan Ivanov, Alexander Petkov, The qc Yamabe problem on non-spherical quaternionic contact manifolds, Journal de Mathématiques Pures et Appliquées, vol:118, 2018, pages:44-81, ISSN (print):0021-7824, ISSN (online):1776-3371, doi:https://doi.org/10.1016/j.matpur.2018.06.011, Ref, Web of Science, IF (1.961 - 2018), Web of Science Quartile: Q1 (18/314), SCOPUS, SJR (3.025 - 2018), SCOPUS Quartile: Q1 (2018)
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2018
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8
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Stefan Ivanov, Alexander Petkov, Dimiter Vassilev, The Obata sphere theorems on a quaternionic contact manifold of dimension bigger than seven, Journal of Spectral Theory, vol:7, issue:4, 2017, pages:1119-1170, ISSN (print):1664-039X, ISSN (online):1664-0403, doi:DOI: 10.4171/JST/187, Ref, Web of Science, IF (0.844 - 2017), Web of Science Quartile: Q2 (108/310), SCOPUS, SJR (1.481 - 2017), SCOPUS Quartile: Q2 (108/310), International
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2017
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9
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Stefan Ivanov, Alexander Petkov, Dimiter Vassilev, The sharp lower bound of the first eigenvalue of the
sub-Laplacian on a quaternionic contact manifold, Journal of Geometric Analysis, vol:24, issue:2, 2014, pages:756-778, ISSN (print):1050-6926, ISSN (online):1559-002X, doi:https://doi.org/10.1007/s12220-012-9354-9, Ref, Web of Science, IF (0.971 - 2014), Web of Science Quartile: Q1 (59/312), SCOPUS, SJR (1.294 - 2014), SCOPUS Quartile: Q1 (2014), International
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2014
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10
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Alexander Petkov, A Lichnerowicz-type result on a seven-dimensional quaternionic contact manifold , Ann. Sofia Univ., Fac. Math. and Inf. , vol:101, 2013, pages:193-213, ISSN (online): 0205-0808, Ref
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2013
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11
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Stefan Ivanov, Alexander Petkov, Dimiter Vassilev, The sharp lower bound of the first eigenvalue of the sub-Laplacian on a quaternionic contact manifold in dimension seven, Nonlinear Analysis: Theory, Methods & Applications, vol:93, 2013, pages:51-61, ISSN (online):0362-546X, doi:https://doi.org/10.1016/j.na.2013.07.011, Ref, Web of Science, IF (1.612 - 2013), Web of Science Quartile: Q1 (12/302), SCOPUS, SJR (1.588 - 2013), SCOPUS Quartile: Q1 (2013), International
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2013
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12
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Stefan Ivanov, Alexander Petkov, HKT manifolds with holonomy SL(n,H), International Mathematics Research Notices, vol:2012, issue:16, 2012, pages:3779-3799, ISSN (print):1073-7928, ISSN (online):1687-0247, doi:https://doi.org/10.1093/imrn/rnr160, Ref, Web of Science, IF (1.116 - 2012), Web of Science Quartile: Q1 (29/296), SCOPUS, SJR (1.854 - 2012), SCOPUS Quartile: Q1 (29/296), PhD
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2012
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13
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V. Dimitrov, A. Petkov, Verification of Specifications Written in ESTELLE, using Petri Nets, Journal Automatic Control and Computer Sciences, vol:23, issue:5, 1989, pages:20-24, ISSN (print):01464116, Ref, IR , SCOPUS, SJR (0.1 - 1999)
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1989
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| Статия в поредица |
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1
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A. Petkov, V. Dimitrov, I. Bojanova, Verification Oriented Specification of Distributed Systems in Estelle, Informatik Informationen Reporte, Akademie der Wissenschaften der DDR, Institute fur Informatik und Rechentechnik, vol:Proc. of the Second Int. Seminar “Modeling and Performance Evaluation of Distributed Computer Systems”, Wendish Rietz, GDR, 14-18 Nov. 1988, issue:16, 1988, pages:105-118, ISSN (print):02332582
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1988
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2
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V. Dimitrov, A. Petkov, A Class of Petri Nets Useful for Coordination Modeling of Distributed Systems, Informatik Informationen Reporte, Akademie der Wissenschaften der DDR, Institute fur Informatik und Rechentechnik, vol:Proc. of Second Int. Symposium MMPS’87, vol. 2, Eisenach, GDR, 7-11 Sept. 1987, issue:15, 1987, pages:84-98, ISSN (print):02332582
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1987
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3
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V. Dimitrov, A. Petkov, Using Petri Nets for Verification of Communication Protocols, Wiss. Beitr. Inform., vol:5-9 Jan. 1987, Gausig/Bautzen, GDR, Org. by KNP-4, KNP-8 and TU Dresden, issue:3, Publisher:IZ d. Hochschulwesens a.d. TU Dresden-1, 1987, pages:44-46, ISSN (print):08630798
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1987
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4
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A. Petkov, A. Terziev, V. Dimitrov, Transport Service in Local Area Computer Network, MTA SZTAKI tanulmayok, issue:183, 1986, pages:43-49
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1986
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| Статия в сборник (на конференция и др.) |
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1
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V. Dimitrov, A. Petkov, Automatic Verification of Estelle Specifications of Communication Protocols Using Petri Nets, “Network Information Processing Systems”, Proc. of the IFIP TC6/TC8 Open Symposium, editor/s:K. Boyanov and R. Angelinov, Publisher:Elsevier Science Publ. B.V. (North-Holland), 1989, pages:101-108
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1989
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2
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V. Dimitrov, A. Petkov, Automatic Verification of Estelle Specifications of Communication Protocols Using Petri Nets, Preprints of the IFIP TC8 Int. Symposium “Network Information Processing Systems”, Sofia, Bulgaria, 9-13 May 1988, 1988, pages:119-125
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1988
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3
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V. Dimitrov, A. Petkov, Verification Oriented Estelle Specification of Communication Protocols, Research into Networks and Distributed Applications EUTECO’88, Part. Ed., European Teleinformatics Conference, Vienna, Austria, 20-22 April 1988, Org. by The European Action in Teleinformatics COST 11ter, editor/s:R. Speth, Publisher:Elsevier Science Publ. B. V. (North-Holland), 1988, pages:953-960, Ref
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1988
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4
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V. Dimitrov, A. Petkov, Verification Oriented Estelle Specifications of Communication Protocols, First European Conference on Information Technology for Organizational Systems EUROINFO’88, Participants Edition, Athens, Greece, 16-20 May 1988, editor/s:H.-J. Bullinger et al., 1988, Ref
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1988
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5
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A. Petkov, A. Terziev, V. Dimitrov, St. Stanchev, Information Flows Maintenance in Heterogenous Local Area Network, Proc. of First National Conference on Personal Computers PERSCOMP’85, vol. 2, 23-26 April 1985, Sofia, Bulgaria, Org. by ITCR-BAS, Publisher:BAS Publ., 1986, pages:11-22
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1986
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| Участие в конференция |
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1
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Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry
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2025
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2
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Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry
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2024
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3
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Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry
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2024
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4
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Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry
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2024
|
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5
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Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry
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2024
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6
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Секционен доклад, Александър Петков, The Almost Schur Lemma and the Positivity Conditions in Quaternionic Contact Geometry
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2023
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7
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Секционен доклад, Александър Петков, The Yamabe problem in quaternionic contact geometry
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2023
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8
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Секционен доклад, Александър Петков, Геометрични потоци и централни многообразия
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2022
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9
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Секционен доклад, Александър Петков, The Yamabe problem on non-spherical quaternionic contact manifolds
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2021
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10
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Секционен доклад, Александър Петков, The Almost Schur Lemma in Quaternionic Contact Geometry
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2021
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11
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Секционен доклад, Александър Петков, The Yamabe problem in quaternionic contact geometry
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2019
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12
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Секционен доклад, Александър Петков, Center manifold theory for the Yang-Mills flow
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2019
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13
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Секционен доклад, Александър Петков, Теория на централните многообразия за потока на Yang-Mills
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2018
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14
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Секционен доклад, Александър Петков, The qc Yamabe problem on non-spherical quaternionic contact manifolds
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2018
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15
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Секционен доклад, Александър Петков, Center manifold theory for the Yang-Mills and the Yang-Mills-Higgs flows
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2018
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16
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Секционен доклад, Александър Петков, The qc Yamabe problem on non-spherical quaternionic contact manifolds
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2018
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17
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Секционен доклад, Александър Петков, The qc Yamabe problem on non-spherical quaternionic contact manifolds
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2018
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18
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Секционен доклад, Александър Петков, Center manifold theory for the Yang-Mills-Higgs flow
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2017
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19
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Секционен доклад, Александър Петков, The Yamabe problem on non-spherical quaternionic contact manifolds
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2017
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20
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Секционен доклад, Александър Петков, The qc Yamabe problem on non-spherical quaternionic contact manifolds
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2017
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21
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Секционен доклад, Александър Петков, Проблемът на Ямабе върху несферични кватернионно-контактни многообразия
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2017
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22
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Секционен доклад, Александър Петков, Върху една формула за ентропията от тип на Перелман в кватернионно-контактната геометрия
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2016
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23
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Секционен доклад, Александър Петков, The Lichnerowicz and Obata type results in the quaternionic contact
geometry
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2016
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24
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Секционен доклад, Александър Петков, Теореми от тип на Лихнерович и Обата върху кватернионно-контактни многообразия
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2016
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25
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Секционен доклад, Александър Петков, The Lichnerowicz and Obata type results in the quaternionic contact
geometry
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2015
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26
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Секционен доклад, Александър Петков, The quaternionic contact heat equation and some of its applications
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2015
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27
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Секционен доклад, Александър Петков, The quaternionic contact heat equation and some its applications
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2015
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