Nikolay Kyurkchiev
Nikolay Kyurkchiev
Professor of Numerical Analysis, Plovdiv University
Verified email at uni-plovdiv.bg
TitleCited byYear
Sigmoid functions: some approximation and modelling aspects
N Kyurkchiev, S Markov
LAP LAMBERT Academic Publishing, Saarbrucken, 2015
1182015
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
1122016
Some Techniques for Recurrence Generating of Activation Functions: Some Modeling and Approximation Aspects
N Kyurkchiev, A Iliev, S Markov
LAP LAMBERT Academic Publishing, 2017
832017
Numerical solution of polynomial equations
B Sendov, A Andreev, N Kjurkchiev
Handbook of numerical analysis 3, 625-778, 1994
781994
Some Software Reliability Models: Approximation and Modeling Aspects
N Pavlov, A Iliev, A Rahnev, N Kyurkchiev
LAP LAMBERT Academic Publishing, 2018
672018
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
662017
Nontrivial Methods in Numerical Analysis: Selected Topics in Numerical Analysis
A Iliev, N Kyurkchiev
LAP Lambert Academic Publishing, 2010
61*2010
Nontrivial Models in Debugging Theory: Part 2
N Pavlov, A Iliev, A Rahnev, N Kyurkchiev
LAP LAMBERT Academic Publishing, 2018
602018
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
492018
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
462018
Initial approximations and root finding methods
NV Kyurkchiev
Wiley-VCh, 1998
451998
On some modifications of the Newton method for the approximate solution of algebraic equations
SP Tashev, NV Kyurkchiev
Serdica Bulgariacae mathematicae publicationes 9 (1), 67-73, 1983
42*1983
On the approximation of the cut and step functions by logistic and Gompertz functions
AI Iliev, N Kyurkchiev, S Markov
Biomath 4 (2), 1510101, 2015
40*2015
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
401996
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
392016
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
372018
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
372017
Some models in the theory of computer viruses propagation
A Iliev, N Kyurkchiev, A Rahnev, T Terzieva
LAP LAMBERT Academic Publishing, 2019
352019
A Note on the New Geometric Representation for the Parameters in the Fibril Elongation Process
N Kyurkchiev
C. R. Acad. Bulg. Sci. 69 (8), 963-972, 2016
342016
Some Families of Sigmoid Functions: Applications to Growth Theory
N Kyurkchiev, A Iliev, A Rahnev
LAP LAMBERT Academic Publishing, 2019
332019
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