01.01.01 (Real analysis, complex analysis, and functional analysis)
Birth date:
11.08.1969
E-mail:
,
Keywords:
shape preserving approximation, Kolmogorov width, optimal inerpolation, time series, networks
Main publications:
S. P. Sidorov. On the order of approximation by linear shape-preserving operators of finite rank // East Journal on Approximations. Vol. 7, ¹ 1, 2001.
S. P. Sidorov. The constructions of operators from class S_m of an optimal order of approximation // East Journal on Approximations. Vol. 8, ¹ 3, 2002.
S. P. Sidorov. On some extremal properties of Lagrange interpolatory polynomials // Journal of Approximation Theory, Elsevier Science Ltd.. Vol. 118, ¹ 2, 2002.
S. P. Sidorov. Negative property of shape preserving finite-dimensional linear operators // Applied Mathematics Letters, Elsevier Science Ltd.. Vol. 16, ¹ 2, 2003.
S. P. Sidorov. Approximation of the r-th differential operator by means of linear shape-preserving operators of finite rank // Journal of Approximation Theory, Elsevier Science Ltd.. Vol. 124, ¹ 2, 2003.
S. P. Sidorov. On estimates of n-th minimal error of linear algorithms on some sets of dimension of n+1 // Global J. of Pure and Appl. Math. Vol. 1, ¹ 1, 2005.
Sergei P. Sidorov, Sergei V. Mironov and Alexey A. Grigoriev, “Friendship paradox in growth networks: analytical and empirical analysis”, Applied Network Science, 6 (2021), 51 , 35 pp.
Sidorov, S., Faizliev, A., Balash, V., Balash, O., Krylova, M, Fomenko, A., “Extended innovation diffusion models and their empirical performance on real propagation data”, Journal of Marketing Analytics, 9 (2021), 99-110
S. Sidorov, S. Mironov, “Growth network models with random number of attached links”, Physica A: Statistical Mechanics and its Applications, 576 (2021), 126041
S. P. Sidorov, A. R. Faizliev, V. A. Balash, A. A. Gudkov, A. Z. Chekmareva, M. Levshunov, S. V. Mironov, “QAP Analysis of Company Co-Mention Network”, Lecture Notes in Computer Science, 10836 (2018), 83–98
S. P. Sidorov, A. R. Faizliev, V. A. Balash, “Long-range correlation analysis of economic news flow intensity”, Physica A: Statistical Mechanics and its Applications, 444 (2016), 205–212
S. P. Sidorov, A. R. Faizliev, V. A. Balash, “Measuring Long Range Correlations in News Flow Intensity Time Series”, International Journal of Modern Physics C, 28:8 (2017), 1750103
Balash, V., Faizliev, A., Grigoriev, A., Sidorov, S., Chekmareva, A., Melnichuk, D., “Comparative analysis of financial network topology for the Russian, Chinese and US stock markets”, WSEAS Transactions on Business and Economics, 17 (2020), 120–132
Sidorov, S.P., Faizliev, A.R. and Khomchenko, A.A., “Algorithms for $l_1$-norm minimisation of index tracking error and their performance”, Int. J. Mathematics in Operational Research, 11:4 (2017), 497–519
S. Sidorov; S. Mironov; A. Grigoriev, “Measuring the variability of local characteristics in complex networks: Empirical and analytical analysis”, Chaos: An Interdisciplinary Journal of Nonlinear Science, 33:06 (2023), 063106 , 25 pp.
Sidorov, S.; Mironov, S.; Grigoriev, A.; Tikhonova, S., “An Investigation into the Trend Stationarity of Local Characteristics in Media and Social Networks”, Systems, 10 (2022), 249 , 20 pp.
Sergei P. Sidorov, Sergei V. Mironov, Nina Agafonova and Dmitry Kadomtsev, “Temporal Behavior of Local Characteristics in Complex Networks with Preferential Attachment-Based Growth”, Symmetry, 13:9 (2021), 1567 , 25 pp. https://www.mdpi.com/2073-8994/13/9/1567
Balash, V.; Faizliev, A.; Sidorov, S.; Chistopolskaya, E., “Conditional Time-Varying General Dynamic Factor Models and Its Application to the Measurement of Volatility Spillovers Across Russian Assets”, Mathematics, 9:19 (2021), 2484 , 31 pp.
Balash, V., Stepanova, A., Volkov, D., Mironov, S., Faizliev, A., Sidorov, S., “Testing a heuristic algorithm for finding a maximum clique on DIMACS and facebook graphs”, Transactions on Systems and Control, 15 (2020), 93–101
Balash V., Chekmareva A., Faizliev A., Grigoriev A., Sidorov S., “Analysis of Financial Network Topological Dynamics of the Russian Stock Market from 2012 to 2019”, Journal of Physics: Conference Series, 1564:1 (2020), 012030 , 14 pp.
A. Faizliev, V. Balash, V. Petrov, A. Grigoriev, D. Melnichuk, S. Sidorov, “Stability analysis of company co-mention network and market graph over time using graph similarity measures”, Journal of Open Innovation: Technology, Market, and Complexity, 5:3 (2019), 55 , 26 pp.
Sergei Mironov, Sergei Sidorov, Igor Malinskii, “Degree-Degree Correlation in Networks with Preferential Attachment Based Growth”, Complex Networks XII. Proceedings of the 12th Conference on Complex Networks CompleNet 2021, Springer Proceedings in Complexity, eds. Teixeira A.S., Pacheco D., Oliveira M., Barbosa H., Gonçalves B., Menezes R., Springer, Cham, 2021, 51-58
V. Balash, O. Balash, A. Faizliev, M. Krylova, S. Sidorov, “Comparative Analysis of Innovation Diffusion Models: Empirical Results and Predictive Performance on Russian Mobile Phone Propagation Data”, Journal of Physics: Conference Series, 1564:1 (2020), 012027 , 12 pp.
A. A. Gudkov, S. V. Mironov, S. P. Sidorov, S. V. Tyshkevich, “A dual active set algorithm for optimal sparse convex regression”, Vestn. Sam. gos. tekhn. un-ta. Ser. Fiz.-mat. nauki, 23:1 (2019), 113–130
Sidorov, S.P., Mironov, S.V., Pleshakov, M.G., “Dual convergence estimates for a family of greedy algorithms in banach spaces”, Lecture Notes in Computer Science, 10710 (2018), 109–120
Sergei P. Sidorov, Sergei V. Mironov, “Duality Gap Analysis of Weak Relaxed Greedy Algorithms”, Lecture Notes in Computer Science, 10556 (2017), 251-262
S. P. Sidorov, “ON THE SATURATION EFFECT FOR LINEAR SHAPE-PRESERVING APPROXIMATION IN SOBOLEV SPACES”, MISKOLC MATHEMATICAL NOTES, 16:2 (2015), 1191-1197
Sidorov S., Mironov S., Tyshkevich S., “Surprising Behavior of the Average Degree for a Node’s Neighbors in Growth Networks”, Complex Networks & Their Applications X. COMPLEX NETWORKS 2021, Studies in Computational Intelligence, 1015, eds. Benito R.M., Cherifi C., Cherifi H., Moro E., Rocha L.M., Sales-Pardo M., Springer, Cham, 2022, 463-474
Pleshakov M., Sidorov S., Spiridonov K., “Convergence Analysis of Penalty Decomposition Algorithm for Cardinality Constrained Convex Optimization in Hilbert Spaces”, Lecture Notes in Computer Science, 12095 (2020), 141–153
S. V. Mironov, S. P. Sidorov, “Duality gap estimates for weak chebyshev greedy algorithms in banach spaces”, Comput. Math. Math. Phys., 59:6 (2019), 904–914
27.
Anastasia Stepanova, Sergei Mironov, Eugene Korobov, Sergei Sidorov, “The Clusterization of Geo-Tagged Data for Finding City Sights with Use of a Modification of k-MXT Algorithm”, Third Workshop on Computer Modelling in Decision Making (CMDM 2018) (Saratov, Russia, NOV 14-17, 2018), ACSR-Advances in Comptuer Science Research, 85, eds. V. Mkhitarian, S. Sidorov, Atlantis Press, 2019, 20–25
V. Kolesnikov, V. Anikin, E. Mosolova, A. Faizliev, S. Mironov, M. Zemlyanskaya, M. Pleshakov, S. Sidorov, “Food Chain Analysis Based on Graph Centrality Indicators”, Journal of Physics: Conf. Series, 1334 (2019), 012004 , 11 pp.
I. Androsov, A. Faizliev, E. Korotkovskaya, A. Lunkov, S. Mironov, V. Petrov, S. Sidorov, F. Smolov, “Shock Diffusion Analysis for a Directed Market Network Constructed with Use of the Risk Measure $\Delta$CoVaR”, Journal of Physics: Conference Series, 1334 (2019), 012003 , 9 pp.
S. P. Sidorov, A. R. Faizliev, V. A. Balash, “A long memory property of economic and financial news flows”, Int. J. Data Analysis Techniques and Strategies, 10:4 (2018), 406–420
Levshunov M., Mironov S.V., Faizliev A.R., Sidorov S.P., “Restoring the Succession of Magistrates in Ancient Greek Poleis: How to Reduce It to Travelling Salesman Problem Using Heuristic Approach”, Lecture Notes in Computer Science, 11185 (2018), 336–347
S. P. Sidorov, “Linear k-monotonicity preserving algorithms and their approximation properties”, Lecture Notes in Computer Science, 9582 (2016), 93–106
A. A. Homchenko, N. P. Grishina, C. Lucas, S. P. Sidorov, “Differential evolution algorithm for solving the portfolio optimization problem”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 13:2(2) (2013), 88–91
36.
S. P. Sidorov, “An estimate for the relative linear width of the unit ball for a class of positive operators”, Sib. Zh. Ind. Mat., 10:4 (2007), 122–128
37.
S. P. Sidorov, “An estimate for the $n$th minimal error of linear algorithms for an approximation problem”, Comput. Math. Math. Phys., 44:6 (2004), 944–948
38.
S. P. Sidorov, “On some extremal properties of Langrange interpolatory polynomials”, Journal of Approximation Theory, 118:2 (2002), 188–201
S. Sidorov, S. Mironov, T. Emelianov, “Generating complex networks through a vertex merging mechanism: Empirical and analytical analysis”, Physica A: Statistical Mechanics and its Applications, 658 (2025), 130267 , 28 pp. https://doi.org/10.1016/j.physa.2024.130267
40.
Sidorov, S., Yanchenko, V., Tikhonova, S., Balash, V., “Constructing Author Closeness Networks Using SCOPUS Bibliometric Data”, Mathematical Modeling and Supercomputer Technologies. MMST 2024., Communications in Computer and Information Science, 2363, eds. Balandin, D., Barkalov, K., Meyerov, I., Springer, Cham, 2025, 59-73
41.
Faizliev A., Sidorov S., Tikhonova S., “Modelling the Media Content Propagation in Complex Social Networks Based on Quantitative Characteristics of Web Search Queries”, Digital Transformation in Governance and Society. DTGS 2024, Communications in Computer and Information Science, 2445, eds. Chugunov, A., Filatova, O., Kabanov, Y., Misra, H., Smorgunov, L., Zhang, W., Springer, Cham, 2025, 93–104https://link.springer.com/chapter/10.1007/978-3-031-90720-3_7#citeas
42.
Sidorov, S., Yanchenko, V., Tikhonova, S., Balash, V., “Enhanced Bibliometric Coupling Approach for Author Proximity Network Construction”, Proceedings of International Joint Conference on Advances in Computational Intelligence. IJCACI 2024, Volume 2, Algorithms for Intelligent Systems, eds. Uddin, M.S., Bansal, J.C., Springer, Singapore, 2025, 33–44https://doi.org/10.1007/978-981-96-3762-1_3
43.
A. Grigoriev, S. Mironov, S. Sidorov, “Dynamics of Friendship Index in Complex Networks”, Modelling, 5:3 (2024), 1219-1238
44.
S. Sidorov, T. Emelianov, S. Mironov, E. Sidorova, Y. Kostyukhin, A. Volkov, A. Ostrovskaya, L. Polezharova, “Network Evolution Model with Preferential Attachment at Triadic Formation Step”, Mathematics, 12 (2024), 643 , 21 pp.
45.
S. Sidorov, S.Mironov, A.Grigoriev, “Limit Distributions of Friendship Index in Scale-Free Networks”, Analysis of Images, Social Networks and Texts. AIST 2023, Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 14486, eds. Ignatov, D.I., et al., Springer, Cham, 2024, 325–337
46.
S. Sidorov, S. Mironov, T. Emelianov, “A Network Evolution Model with Addition and Deletion of Nodes”, Mathematical Modeling and Supercomputer Technologies. MMST 2023., Communications in Computer and Information Science, 1914, eds. Balandin, D., Barkalov, K., Meyerov, I., Springer, Cham, 2024, 130–136
47.
S. Sidorov, A. Faizliev, D. Melnichuk, “Media Text Analysis Based on One-Dimensional Hashtag Embeddings”, Data Science and Applications. ICDSA 2023, Lecture Notes in Networks and Systems, 819, eds. Nanda, S.J., Yadav, R.P., Gandomi, A.H., Saraswat, M., Springer, Singapore, 2024, 245–255
48.
A. Grigoriev, S. Mironov, S. Sidorov, “Quantitative Study on the Friendship Paradox in Networks with Power-Law Degree Distribution”, Mathematical Modeling and Supercomputer Technologies. MMST 2023, Communications in Computer and Information Science, 1914, eds. Balandin, D., Barkalov, K., Meyerov, I., Springer, Cham, 2024, 137–144
49.
Sidorov, S., Faizliev, A., Balash, V., Melnichuk, D., Grigoriev, A., “Correlation Financial Networks of an Unstable Stock Market: Empirical Study”, Complex Networks XIII. Proceedings of the 13th Conference on Complex Networks, CompleNet 2022 (The University of Exeter, Institute for Data Science and Artificial Intelligence (IDSAI), UK, May 30 - June 1, 2022), Springer Proceedings in Complexity, eds. Pacheco, D., Teixeira, A.S., Barbosa, H., Menezes, R., Mangioni, G., Springer, Cham, 2023, 97-108
50.
Sergei Sidorov; Sergei Mironov; Sophia Tikhonova, “Stochastic Processes with Trend Stationarity in High-Clustered Growth Networks”, Intelligent Sustainable Systems (Proceedings of ICISS 2023), Lecture Notes in Networks and Systems, 665, eds. Raj, J.S., Perikos, I., Balas, V.E., Springer, Singapore, 2023, 281-292
51.
S.P. Sidorov, A.R. Faizliev, S.V. Tikhonova, “An Extension of the Susceptible–Infected Model and Its Application to the Analysis of Information Dissemination in Social Networks”, Modelling, 4:4 (2023), 585–599
52.
Grigoriev A., Sidorov S., Mironov S., Malinskii I., “Average Nearest Neighbor Degree and Its Distribution in Social Networks”, Digital Transformation and Global Society. DTGS 2021, Communications in Computer and Information Science, 1503, eds. Alexandrov D.A. et al., Springer, Cham, 2022, 36-50
53.
A. A. Gudkov, S. P. Sidorov, K. A. Spiridonov, “Dual active-set algorithm for optimal 3-monotone regression”, Izv. Sarat. un-ta. Nov. ser. Ser. Matematika. Mekhanika. Informatika, 22:2 (2022), 216–223;
54.
Spiridonov, K., Sidorov, S., Pleshakov, M., “Weak Penalty Decomposition Algorithm for Sparse Optimization in High Dimensional Space”, Mathematical Modeling and Supercomputer Technologies. MMST 2022., Communications in Computer and Information Science, 1750, eds. Balandin, D., Barkalov, K., Meyerov, I., Springer, Cham, 2022, 215-226
55.
S. P. Sidorov, S. V. Mironov, Analiz dinamiki lokalnykh kharakteristik v slozhnykh setyakh, Izdatelstvo Saratovskogo universiteta, Saratov, 2022 , 104 pp.
56.
Sidorov S., Mironov S., Malinskii I., Kadomtsev D., “Local Degree Asymmetry for Preferential Attachment Model”, Studies in Computational Intelligence, 944 (2021), 450–461
57.
Sidorov S., Spiridinov K., “Duality Gap Estimates for a Class of Greedy Optimization Algorithms in Banach Spaces”, Mathematical Optimization Theory and Operations Research (MOTOR 2021), Lecture Notes in Computer Science, 12755, eds. Pardalos P., Khachay M., Kazakov A., Springer, Cham, 2021, 192–205
58.
Sidorov S., Mironov S., Faizliev A., Grigoriev A., “Node Degree Dynamics in Complex Networks Generated in Accordance with a Modification of the Triadic Closure Model”, Mathematical Modeling and Supercomputer Technologies. MMST 2020., Communications in Computer and Information Science, 1413, eds. Balandin D., Barkalov K., Gergel V., Meyerov I., Springer, Cham, 2021, 146–153
59.
A. A. Gudkov, S. P. Sidorov, K. A. Spiridonov, “Analysis of the convergence of the algorithm for constructing a convex regression dependence”, Proceedings of the 20 International Saratov Winter School “Contemporary Problems of Function Theory and Their Applications”, Saratov, January 28 — February 1, 2020. Part 2, Itogi Nauki i Tekhniki. Ser. Sovrem. Mat. Pril. Temat. Obz., 200, VINITI, Moscow, 2021, 115–125
60.
A. R. Faizliev, S. P. Sidorov, V. A. Balash, Prilozhenie metodov fraktalnogo analiza, teorii grafov i analiza slozhnykh setei k issledovaniyu vremennykh ryadov, Izd-vo Sarat. un-ta, Saratov, 2021 , 108 pp.
61.
Lunkov A., Sidorov S., Faizliev A., Inochkin A., Korotkovskaya E., “Quantifying the Impact of External Shocks on Systemic Risks for Russian Companies Using Risk Measure $\Delta CoVaR$”, Transactions on Engineering Technologies, eds. Ao SI., Gelman L., Kim H., Springer, Singapore, 2019, 31–42
62.
V. Balash, A. Chekmareva, A. Faizliev, S. Sidorov, S. Mironov, D. Volkov, “Analysis of news flow dynamics based on the company co-mention network characteristic”, Studies in Computational Intelligence, 813 (2019), 521–533
63.
Balash V.A., Faizliev A.R., Korotkovskaya E.V., Mironov S.V., Smolov F.M., Sidorov S.P., Volkov D.A., “Applying co-mention network analysis for event detection”, Transactions on Business and Economics, 16 (2019), 8–24
64.
Balash V.A., Faizliev A.R., Korotkovskaya E.V., Mironov S.V., Smolov F.M., Sidorov S.P., Volkov D.A., “The evolution of degree distribution, maximum cliques and maximum independent sets of company co-mention network over time”, Transactions on Systems and Control, 14 (2019), 97–103
65.
Stepanova A., Mironov S.V., Sidorov S., Faizliev A., “Modification of the k-MXT Algorithm and Its Application to the Geotagged Data Clustering”, Lecture Notes in Computer Science, 11943 (2019), 296–307
66.
A. R. Faizliev, A. A. Khomchenko, S. P. Sidorov, “Empirical analysis of algorithms for solving the index tracking problem”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 18:1 (2018), 101–124
67.
B. I. Golubov, B. S. Kashin, L. Yu. Kossovich, S. P. Sidorov, A. P. Khromov, A. N. Chumachenko, “19th International Saratov Winter School “Contemporary problems of function theory and their applications"”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 18:3 (2018), 354–365
68.
S. P. Sidorov, A. R. Faizliev, V. A. Balash, “Fractality and Multifractality Analysis of News Sentiments Time Series”, IAENG International Journal of Applied Mathematics, 48:1 (2018), 90–97
69.
Sidorov S.P., Faizliev A.R., Levshunov M., Chekmareva A., Gudkov A., Korobov E., “Graph-Based Clustering Approach for Economic and Financial Event Detection Using News Analytics Data”, Lecture Notes in Computer Science, 11186 (2018), 271–280
70.
A. R. Faizliev, E. V. Korotkovskaya, S. P. Sidorov, F. M. Smolov, A. A. Vlasov, “Utility Maximization for an Investor with Asymmetric Attitude to Gains and Losses over the Mean-Variance Efficient Frontier”, Journal of Physics: Conf. Series, 1141 (2018) , 012017 pp.
71.
Sidorov S., Khomchenko A., Mironov S., “Optimal Portfolio Selection for an Investor with Asymmetric Attitude to Gains and Losses”, Mathematical and Statistical Methods for Actuarial Sciences and Finance, eds. Corazza M., Legros F., Perna C., Sibillo M., Springer, Cham, 2017, 157–169
72.
S. P. Sidorov, Lineinye metody formosokhranyayuschego priblizheniya, Izd-vo Sarat. un-ta, Saratov, 2017 , 164 pp. "www.rfbr.ru/rffi/ru/books/o_2052175#1
73.
S. P. Sidorov, A. R. Faizliev, V. A. Balash, “Long Range Correlation in Time Series of News Sentiments”, Lecture Notes in Engineering and Computer Science: Proceedings of The World Congress on Engineering 2017, 5-7 July, 2017, London, U.K., ISBN 978-988-14048-3-1: ISSN: 2078-0958 (Print); ISSN: 2078-0966 (Online), II, 2017, 549-554
74.
A. Lunkov, E. Korotkovskaya, S. Sidorov, V. Barabash, and A. Faizliev, “Analysis of the Impact of Sanctions on Systemic Risks for Russian Companies”, Lecture Notes in Engineering and Computer Science: Proceedings of The World Congress on Engineering 2017, 5-7 July, 2017, London, U.K., ISBN: 978-988-14047-4-9; ISSN: 2078-0958 (Print); ISSN: 2078-0966 (Online), I, 2017, 380-384
75.
S. P. Sidorov, A. R. Faizliev, .v. A. Balash, “Scale invariance of news flow intensity time series.”, Nonlinear Phenom. Complex Syst., 19:4 (2016), 368–377
76.
S. P. Sidorov, A. Homchenko, V. Barabash, “Stochastic Models for Assets Allocation under the Framework of Prospect and Cumulative Prospect Theory”, Proceedings of World Congress on Engineering (WCE 2015), ISBN:978-988-14047-0-1, ISSN: 2078-0958, Lecture Notes in Engineering and Computer Science, II, eds. S. I. Ao, L. Gelman, D. W. L. Hukins, A. Hunter, A. M. Korsunsky, INT ASSOC ENGINEERS-IAENG, HONG KONG, 2015, 704–709
77.
D. I. Boitsov, S. P. Sidorov, “Approximation Methods Preserving Cones of Generalized Convex Functions”, Proceedings of World Congress on Engineering (WCE 2015), ISBN:978-988-19253-4-3, ISSN: 2078-0958, Lecture Notes in Engineering and Computer Science, I, eds. S. I. Ao, L.Gelman, L; D.W.L.Hukins, DWL; A. Hunter, A. M. Korsunsky, INT ASSOC ENGINEERS-IAENG, HONG KONG, 2015, 46-50
78.
D. I. Boitsov, S. P. Sidorov, “The Rate of Convergence for Linear Shape-Preserving Algorithms”, CONCRETE OPERATORS, 2:1 (2015), 139–145
79.
S. P. Sidorov, A. Revutskiy, A. R. Faizliev, Eu. Korobov, V. A. Balash, “Stock volatility modelling with augmented GARCH model with jumps”, IAENG International Journal of Applied Mathematics, 44:4 (2014), 212–220
80.
E. A. Zakharova, S. P. Sidorov, “On the error of approximation by means of scenario trees with depth 1”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 13:3 (2013), 95–99
81.
A. A. Homchenko, C. Lucas, S. V. Mironov, S. P. Sidorov, “Heuristic algorithm for the cardinality constrained portfolio optimization problem”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 13:2(2) (2013), 92–95
82.
N. S. Uzentsova, S. P. Sidorov, “Simultaneous approximation of polynomial functions and its derivatives by feedforward artificial neural networks with one hidden layer”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 13:2(2) (2013), 78–82
83.
S. P. Sidorov, “On the error of optimal interpolation by linear shape-preserving algorithms”, Sib. Zh. Ind. Mat., 15:2 (2012), 119–127
84.
S. P. Sidorov, “Korovkin-type theorem for sequences of operators preserving shape”, Positivity, 15:1 (2011), 11–16
85.
S. P. Sidorov, “The error of approximation of differentiable functions of several variables by means of interpolatory shape preserving operators”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 9:4(1) (2009), 49–52
86.
S. P. Sidorov, “Optimal Recovery of Linear Functionals on Sets of Finite Dimension”, Math. Notes, 84:4 (2008), 561–567
87.
S. P. Sidorov, “Shape-preserving linear n-width of unit balls in $C[0,1]$”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 7:1 (2007), 33–39
88.
S. P. Sidorov, “Optimal interpolation of convergent algebraic series”, Numerical Algorithms, 44:3 (2007), 273–279
89.
S. P. Sidorov, “Optimal interpolation of convergent algebraic series”, NUMERICAL ALGORITHMS, 44:3 (2007), 273–279
90.
S. P. Sidorov, “An estimate for the $n$-th minimal error of linear algorithms for one problem in a normed vector space”, Siberian Math. J., 46:3 (2005), 535–539
91.
S. P. Sidorov, “Negative property of shape-preserving finite-dimensional linear operators”, Applied Mathematics Letters, 16:2 (2003), 257–261 (to appear)
92.
S. P. Sidorov, “Approximation of the rth differential operator by means of linear shape preserving operators of finite rank”, Journal of Approximation Theory, 124:2 (2003), 232–241
93.
D. V. Prokhorov, S. I. Dudov, A. M. Zakharov, V. B. Poplavskii, V. V. Rozen, S. P. Sidorov, “In memory of Alexandr Yu. Vasiliev”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 17:1 (2017), 117–121
94.
B. I. Golubov, B. S. Kashin, L. Yu. Kossovich, S. P. Sidorov, A. P. Khromov, A. N. Chumachenko, “18th International Saratov Winter School “Contemporary Problems of Function Theory and Their Applications””, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 16:4 (2016), 485–487
95.
B. I. Golubov, B. S. Kashin, L. Yu. Kossovich, S. P. Sidorov, A. P. Khromov, “XVII International Saratov Winter School «Contemporary Problems of the Function Theory and its Applications». Dedicated to the 150th Anniversary of V. A. Steklov”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 15:3 (2015), 357–359
96.
B. I. Golubov, B. S. Kashin, L. Yu. Kossovich, S. P. Sidorov, A. P. Khromov, “16 Saratov winter school “Contemporary problems of function theory and its applications””, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 12:2 (2012), 114–115
97.
L. Yu. Kossovich, S. P. Sidorov, A. P. Khromov, “15 Saratov winter school “Contemporary problems of function theory and its applications” dedicated to the 125th anniversary of V. V. Golubev and 100th anniversary of SSU”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 10:3 (2010), 86–87
98.
L. Yu. Kossovich, A. P. Khromov, S. P. Sidorov, “14 Saratov winter school “Contemporary problems of function theory and its applications” dedicated to the memory of P. L. Ulyanov”, Izv. Saratov Univ. (N.S.), Ser. Math. Mech. Inform., 8:1 (2008), 76–77
