Nikolay Kyurkchiev

Cited by

	All	Since 2019
Citations	6348	4518
h-index	38	31
i10-index	181	142

1100

550

275

825

199419951996199719981999200020012002200320042005200620072008200920102011201220132014201520162017201820192020202120222023202429 9 31 15 24 5 7 9 10 39 13 21 19 9 16 10 36 55 42 46 68 56 224 193 704 1052 1027 870 690 479 261

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
Vesselin KyurkchievAssociate Professor, University of PlovdivVerified email at uni-plovdiv.bg
Svetoslav MarkovInstitute of Mathematics and Informatics, Bulgarian Academy of SciencesVerified email at bio.bas.bg
Todorka TerzievaProfessor, University of Plovdiv Paisii HilendarskiVerified email at uni-plovdiv.bg
Maria VasilevaUniversity 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
Tsvetelin ZaevskiInstitute of Mathematics and Informatics, Bulgarian Academy of SciencesVerified email at math.bas.bg
Georgi SpasovAssistant, Plovdiv UniversityVerified email at uni-plovdiv.bg
Roumen AnguelovUniversity of PretoriaVerified email at up.ac.za
Olga RahnevaAssoc. professor, University of Plovdiv "Paisii Hilendarski"Verified email at uni-plovdiv.bg
Milen BorisovAsst., Dr., Institute of Mathematics and Informatics, Bulgaria Academy of ScienceVerified email at math.bas.bg
Miodrag PetkovicFaculty of Electronic Engineering, University of Nis, Nis, SerbiaVerified email at junis.ni.ac.rs
Danilo CostarelliUniversity of PerugiaVerified email at unipg.it
Nikola ValchanovPlovdiv UniversityVerified email at uni-plovdiv.bg
Gergana V. VelikovaVerified email at pasqal.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
Todor BranzovInstitute of Mathematics and Informatics - Bulgarian Academy of SciencesVerified email at math.bas.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	233	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	206	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	188	2017
Numerical solution of polynomial equations B Sendov, A Andreev, N Kjurkchiev Handbook of numerical analysis 3, 625-778, 1994	127	1994
Some Techniques for Recurrence Generating of Activation Functions: Some Modeling and Approximation Aspects N Kyurkchiev, A Iliev, S Markov LAP LAMBERT Academic Publishing, 2017	123	2017
Some Software Reliability Models: Approximation and Modeling Aspects N Pavlov, A Iliev, A Rahnev, N Kyurkchiev LAP LAMBERT Academic Publishing, 2018	107	2018
Nontrivial Models in Debugging Theory: Part 2 N Pavlov, A Iliev, A Rahnev, N Kyurkchiev LAP LAMBERT Academic Publishing, 2018	95	2018
Some models in the theory of computer viruses propagation A Iliev, N Kyurkchiev, A Rahnev, T Terzieva LAP LAMBERT Academic Publishing, 2019	92	2019
Nontrivial Methods in Numerical Analysis: Selected Topics in Numerical Analysis A Iliev, N Kyurkchiev LAP Lambert Academic Publishing, 2010	86	2010
Initial approximations and root finding methods N Kyurkchiev Wiley-VCh, 1998	82	1998
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	77	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	76	2015
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	73	2017
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	71	1996
Approximation and Antenna and Filter Synthesis: Some Moduli in Programming Environment MATHEMATICA N Kyurkchiev, A Andreev LAP Lambert Academic Publishing, 2014	69	2014
Some Families of Sigmoid Functions: Applications to Growth Theory N Kyurkchiev, A Iliev, A Rahnev LAP LAMBERT Academic Publishing, 2019	67	2019
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	66	2018
Selected Topics in Mathematical Modeling: Some New Trends. Dedicated to Academician Blagovest Sendov (1932-2020) N Kyurkchiev LAP LAMBERT Academic Publishing, 2020	57*	2020
On some modifications of the Newton method for the approximate solution of algebraic equations S Tashev, N Kyurkchiev Serdica Bulg. Math. Publ. 9 (1), 67-73, 1983	57*	1983
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	54	2019

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