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А. В. Ефимов

Observed names: A Efimov, A V Efimov, A. Efimov, A. V. EFIMOV, A. V. Efimov, A. V. Yefimov, A.V. Efimov, ANDREY EFIMOV, Andrey Efimov, Andrey V. Efimov, Efimov, A.V.
Observed institutions: Moscow State Institute of Electronics and Mathematics, HUN-REN Alfréd Rényi Institute of Mathematics, Ural Federal University, Russian Academy of Sciences, University of Debrecen, Nosov Magnitogorsk State Technical University, Lomonosov Moscow State University, Peter the Great St. Petersburg Polytechnic University, University of Szeged, Budapest University of Technology and Economics, Institute of Geology of Ore Deposits Petrography Mineralogy and Geochemistry, Don State Technical University, Institute of Glass, Hungarian Academy of Sciences
ORCID: 0000-0001-9940-9030
Observed ORCID: 0000-0001-9940-9030
OpenAlex ID: A5044256803
Walsh Series and Transforms: Theory and Applications
1991 · B. Golubov, A. Efimov, et al. · Mathematics and its applications. Soviet series · 520
J-expanding Matrix Functions and Their Role in the Analytical Theory of Electrical Circuits
1973 · A V Efimov, V P Potapov · Russian Mathematical Surveys · 75
Unusual Ambident Behavior and Novel Ring Transformation of Oxazolo[3,2-a]pyridinium Salts
1998 · Eugene V. Babaev, Andrey V. Efimov, et al. · European Journal of Organic Chemistry · 30
Oxazolo[3,2-a]pyridinium and oxazolo[3,2-a]pyrimidinium salts in organic synthesis
2008 · E. V. Babaev, V. L. Alifanov, et al. · Russian Chemical Bulletin · 13
Synthesis of 5-alkoxyindolizines from oxazolo[3,2-a]pyridinium salts
2007 · Eugene V. Babaev, Andrey V. Efimov, et al. · Mendeleev Communications · 12
Mathematical Model for Assessing Selection of the Interaxle Drive Type
2018 · A. V. Efimov, S. O. Kireev, et al. · Journal of Machinery Manufacture and Reliability · 7
An analog of Rudin’s theorem for continuous radial positive definite functions of several variables
2014 · A. V. Efimov · Proceedings of the Steklov Institute of Mathematics · 7
Optimization of Structure Parameters of Semi-trailer-tank for Hydraulic Fracturing of Formation
2022 · Alexey Lebedev, Sergey Kireev, et al. · Lecture notes in networks and systems · 6
Mathematical model of the vehicle taking into account the turn and reduction of tire friction
2020 · A Efimov, S Kireev, et al. · IOP Conference Series Materials Science and Engineering · 6
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Boas–Kac roots of positive definite functions of several variables
2017 · R. Akopyan, A. Efimov · Analysis Mathematica · 6
A version of Turán’s problem for positive definite functions of several variables
2012 · A. V. Efimov · Proceedings of the Steklov Institute of Mathematics · 6
Heterocycles with a bridge nitrogen atom. 8. Novel approach to synthesis of the indolizine nucleus and the class of 5-aminoindolizines by recyclization of the 5-methyloxazolo[3,2-a]pyridinium cation: Alternate confirmation of a computer prediction
1997 · E. V. Babaev, A. V. Efimov · Chemistry of Heterocyclic Compounds · 6
Hetarenes with a nitrogen bridging atom 1. Phenacylation of 2-substituted 6-methylpyridines
1995 · E. V. Babaev, A. V. Efimov, et al. · Chemistry of Heterocyclic Compounds · 6
Analysis of Efficiency of a System for Heating the Water-Supply Pump and High-Pressure Pump of a Pumping Station from the Exhaust Gases of an Internal Combustion Engine
2020 · V. N. Stepanov, S. O. Kireev, et al. · Chemical and Petroleum Engineering · 4
The efficiency is a single criterion for choosing the type of interaxle drive
2018 · Andrey V. Efimov, Sergey O. Kireev, et al. · MATEC Web of Conferences · 4
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Influence of differential with the limited gear ratio on the efficiency reflecting losses on wheel slip
2019 · Andrey Efimov, Sergey Kireev, et al. · E3S Web of Conferences · 3
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On Integral Estimates of Nonnegative Positive Definite Functions
2017 · ANDREY EFIMOV, MARCELL GAÁL, et al. · Bulletin of the Australian Mathematical Society · 3
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Heterocycles with a bridging nitrogen atom. 9. Recyclization of an oxazole fragment to a pyrrole fragment. Synthesis and crystal structure of 5-hexamethylenimino-2-p-nitrophenylindolyzine
1998 · E. V. Babaev, A. V. Efimov, et al. · Chemistry of Heterocyclic Compounds · 3
On upper bounds of Fourier-Walsh coefficients
1969 · A. V. Efimov · Mathematical Notes · 3
A Mathematical Model of a Differential Drive with a Limited Gear Ratio
2021 · Andrey Efimov, Oleg Polushkin, et al. · Transportation research procedia · 2
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Heterocycles with a bridged nitrogen atom. 12. Recyclization of 5-methyloxazolo[3,2-a]pyridinium cation in the presence of acetylacetone. Crystal structure of 1-acetyl-2,5-dimethylindolizine
2000 · E. V. Babaev, A. V. Efimov, et al. · Chemistry of Heterocyclic Compounds · 2
Heterocycles containing a bridge nitrogen atom. 11. Recyclization of 5-methyloxazolo[3,2-apyridinium cation under the action of nucleophiles containing NH2 group. Crystal structure of 3-(p-nitrophenyl)-1,4-dihydropyrido-[2,1-c]-as-triazinium perchlorate
1999 · E. V. Babaev, A. V. Efimov, et al. · Chemistry of Heterocyclic Compounds · 2
Computer synthesis of benzene derivatives from cyclic and acyclic precursors
1995 · A. V. Efimov, E. V. Babaev · AIP conference proceedings · 2
Rare minerals from Rajpura-Dariba, Rajasthan, India. VII: Renierite
1992 · N. N. Mozgova, Yu. S. Borodaev, et al. · Mineralogy and Petrology · 2
Strength analysis of the TWS 600 plunger pump body in Solid Works Simulation
2021 · E. V. Koleda, S. O. Kireev, et al. · Advanced Engineering Research · 1
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Works count: 85
Citation count: 739
H-index: 7
I10-index: 5
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