Nikolay Kyurkchiev

Cited by

	All	Since 2018
Citations	5368	4314
h-index	36	33
i10-index	160	134

1100

550

275

825

19941995199619971998199920002001200220032004200520062007200820092010201120122013201420152016201720182019202020212022202325 6 30 10 23 5 7 9 15 33 12 21 17 10 16 13 36 51 43 49 66 47 222 204 687 1048 1030 837 641 25

Public access

View all

2 articles

0 articles

available

not available

Based on funding mandates

Co-authors

Anton IlievProfessor of Numerical Analysis, University of Plovdiv Paisii HilendarskiVerified email at uni-plovdiv.bg
Asen RahnevProfessor, University of Plovdiv Paisii HilendarskiVerified email at uni-plovdiv.bg
Svetoslav MarkovInstitute of Mathematics and Informatics, Bulgarian Academy of SciencesVerified email at bio.bas.bg
Vesselin KyurkchievAssistant professor, University of PlovdivVerified email at uni-plovdiv.bg
Todorka TerzievaProfessor, University of Plovdiv Paisii HilendarskiVerified email at uni-plovdiv.bg
Angel GolevUniversity of Plovdiv Paisii HilendarskiVerified email at uni-plovdiv.bg
Anna MalinovaUniversity of Plovdiv Paisii HilendarskiVerified email at uni-plovdiv.bg
Georgi SpasovAssistant, Plovdiv UniversityVerified email at uni-plovdiv.bg
Roumen AnguelovUniversity of PretoriaVerified email at up.ac.za
Maria VasilevaUniversity of Plovdiv Paisii HilendarskiVerified email at uni-plovdiv.bg
Milen BorisovAsst., Dr., Institute of Mathematics and Informatics, Bulgaria Academy of ScienceVerified email at math.bas.bg
Olga RahnevaAssoc. professor, University of Plovdiv "Paisii Hilendarski"Verified email at uni-plovdiv.bg
Miodrag PetkovicFaculty of Electronic Engineering, University of Nis, Nis, SerbiaVerified email at junis.ni.ac.rs
Nikola ValchanovPlovdiv UniversityVerified email at uni-plovdiv.bg
Gergana V. VelikovaVerified email at cambridgequantum.com
Валя Арнаудова (Valya Arnaudova)гл. ас. д-р, ПУ "Паисий Хилендарски" (University of Plovdiv) Филиал - СмолянVerified email at uni-plovdiv.bg
Maya MinchevaNorthern Illinois UniversityVerified email at niu.edu
Tsvetelin ZaevskiInstitute of Mathematics and Informatics, Bulgarian Academy of SciencesVerified email at math.bas.bg
Danilo CostarelliUniversity of PerugiaVerified email at unipg.it
Geno NikolovПрофесор по математика, СУ "Св. Климент Охридски"Verified email at fmi.uni-sofia.bg

Nikolay Kyurkchiev

Professor of Numerical Analysis, University of Plovdiv Paisii Hilendarski

Verified email at uni-plovdiv.bg

numerical methods


Title Sort by citations Sort by year Sort by title	Cited by Cited by	Year
Sigmoid functions: some approximation and modelling aspects N Kyurkchiev, S Markov LAP LAMBERT Academic Publishing, Saarbrucken 4, 2015	191	2015
On the Hausdorff distance between the Heaviside step function and Verhulst logistic function N Kyurkchiev, S Markov J. Math. Chem. 54 (1), 109-119, 2016	185	2016
On the approximation of the step function by some sigmoid functions A Iliev, N Kyurkchiev, S Markov Mathematics and Computers in Simulation 133, 223-234, 2017	143	2017
Some Techniques for Recurrence Generating of Activation Functions: Some Modeling and Approximation Aspects N Kyurkchiev, A Iliev, S Markov LAP LAMBERT Academic Publishing, 2017	120	2017
Numerical solution of polynomial equations B Sendov, A Andreev, N Kjurkchiev Handbook of numerical analysis 3, 625-778, 1994	118	1994
Some Software Reliability Models: Approximation and Modeling Aspects N Pavlov, A Iliev, A Rahnev, N Kyurkchiev LAP LAMBERT Academic Publishing, 2018	100	2018
Some models in the theory of computer viruses propagation A Iliev, N Kyurkchiev, A Rahnev, T Terzieva LAP LAMBERT Academic Publishing, 2019	86	2019
Nontrivial Methods in Numerical Analysis: Selected Topics in Numerical Analysis A Iliev, N Kyurkchiev LAP Lambert Academic Publishing, 2010	81*	2010
Nontrivial Models in Debugging Theory: Part 2 N Pavlov, A Iliev, A Rahnev, N Kyurkchiev LAP LAMBERT Academic Publishing, 2018	78	2018
Extension of Gompertz-type Equation in Modern Science: 240 Anniversary of the birth of B. Gompertz N Kyurkchiev, A Iliev LAP LAMBERT Academic Publishing, 2018	74	2018
Initial approximations and root finding methods N Kyurkchiev Wiley-VCh, 1998	74	1998
On the chemical meaning of some growth models possessing Gompertzian-type property R Anguelov, M Borisov, A Iliev, N Kyurkchiev, S Markov Math. Meth. Appl. Sci., 1-12, 2017	67	2017
A Note on the Log–logistic and Transmuted Log–logistic Models. Some Applications S Markov, N Kyurkchiev, A Iliev, A Rahnev Dynamic Systems and Applications 27 (3), 593-607, 2018	65	2018
On the approximation of the cut and step functions by logistic and Gompertz functions AI Iliev, N Kyurkchiev, S Markov Biomath 4 (2), ID: 1510101-ID: 1510101, 2015	65	2015
Some Families of Sigmoid Functions: Applications to Growth Theory N Kyurkchiev, A Iliev, A Rahnev LAP LAMBERT Academic Publishing, 2019	63	2019
On some methods for the simultaneous determination of polynomial zeros S Kanno, NV Kjurkchiev, T Yamamoto Japan Journal of Industrial and Applied Mathematics 13 (2), 267-288, 1996	63	1996
Selected Topics in Mathematical Modeling: Some New Trends. Dedicated to Academician Blagovest Sendov (1932-2020) N Kyurkchiev LAP LAMBERT Academic Publishing, 2020	56*	2020
On the Approximation of the Generalized Cut Function of Degree p + 1 by Smooth Hyper–log–logistic Function S Markov, N Kyurkchiev, A Iliev, A Rahnev Dynamic Systems and Applications 27 (4), 715-728, 2018	52	2018
A New Class of Activation Functions Based on the Correcting Amendments of Gompertz-Makeham Type N Kyurkchiev, A Iliev, A Rahnev Dynamic Systems and Applications 28 (2), 243-257, 2019	51	2019
On the numerical solution of the general kinetic “K-angle” reaction system N Kyurkchiev, S Markov Journal of Mathematical Chemistry 54 (3), 792-805, 2016	49	2016

The system can't perform the operation now. Try again later.

Articles 1–20

Citations per year

Duplicate citations

Merged citations

Add co-authorsCo-authors

Follow

Cited by

Co-authors