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Научни приноси на доц. д-р Александър Петков

Author ID (SCOPUS):55334702800

Researcher ID (Web of Science):E-9707-2019

ORCID ID:0000-0003-4107-0948
Друго (научно-популярни и др. под.)
Alexander Petkov, The qc Yamabe problem on non-spherical quaternionic contact manifolds, 2016
Статия в научно списание
1 Stefan Ivanov, Alexander Petkov, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry, arXiv:2405.14845, 2024 2024
2 Alexander Petkov, Interpretations of Spectra, Springer Proceedings in Mathematics and Statistics, 2023, Ref, SCOPUS, SJR ( - 2023) 2023
3 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) 2023
4 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) 2023
5 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) 2020
6 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) 2019
7 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) 2018
8 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 2017
9 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 2014
10 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 2013
11 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 2013
12 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 2012
Участие в конференция
1 Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry 2025
2 Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry 2024
3 Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry 2024
4 Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry 2024
5 Секционен доклад, Александър Петков, Li-Yau sub-gradient estimates and Perelman-type entropy formulas for the heat equation in quaternionic contact geometry 2024
6 Секционен доклад, Александър Петков, The Yamabe problem in quaternionic contact geometry 2023
7 Секционен доклад, Александър Петков, The Almost Schur Lemma and the Positivity Conditions in Quaternionic Contact Geometry 2023
8 Секционен доклад, Александър Петков, Геометрични потоци и централни многообразия 2022
9 Секционен доклад, Александър Петков, The Yamabe problem on non-spherical quaternionic contact manifolds 2021
10 Секционен доклад, Александър Петков, The Almost Schur Lemma in Quaternionic Contact Geometry 2021
11 Секционен доклад, Александър Петков, Center manifold theory for the Yang-Mills flow 2019
12 Секционен доклад, Александър Петков, The Yamabe problem in quaternionic contact geometry 2019
13 Секционен доклад, Александър Петков, Теория на централните многообразия за потока на Yang-Mills 2018
14 Секционен доклад, Александър Петков, Center manifold theory for the Yang-Mills and the Yang-Mills-Higgs flows 2018
15 Секционен доклад, Александър Петков, The qc Yamabe problem on non-spherical quaternionic contact manifolds 2018
16 Секционен доклад, Александър Петков, The qc Yamabe problem on non-spherical quaternionic contact manifolds 2018
17 Секционен доклад, Александър Петков, The qc Yamabe problem on non-spherical quaternionic contact manifolds 2018
18 Секционен доклад, Александър Петков, The Yamabe problem on non-spherical quaternionic contact manifolds 2017
19 Секционен доклад, Александър Петков, Проблемът на Ямабе върху несферични кватернионно-контактни многообразия 2017
20 Секционен доклад, Александър Петков, Center manifold theory for the Yang-Mills-Higgs flow 2017
21 Секционен доклад, Александър Петков, The qc Yamabe problem on non-spherical quaternionic contact manifolds 2017
22 Секционен доклад, Александър Петков, Върху една формула за ентропията от тип на Перелман в кватернионно-контактната геометрия 2016
23 Секционен доклад, Александър Петков, The Lichnerowicz and Obata type results in the quaternionic contact geometry 2016
24 Секционен доклад, Александър Петков, Теореми от тип на Лихнерович и Обата върху кватернионно-контактни многообразия 2016
25 Секционен доклад, Александър Петков, The Lichnerowicz and Obata type results in the quaternionic contact geometry 2015
26 Секционен доклад, Александър Петков, The quaternionic contact heat equation and some its applications 2015
27 Секционен доклад, Александър Петков, The quaternionic contact heat equation and some of its applications 2015