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Aleksandr Gorban

aleksandr gorbandh, aleksandr gorban m
Alexander Nikolaevich Gorban Russian: Александр Николаевич Горба́нь is a scientist of Soviet origin, working in the United Kingdom He is a professor at the University of Leicester, and director of its Mathematical Modeling Centre Gorban has contributed to many areas of fundamental and applied science, including statistical physics, non-equilibrium thermodynamics, machine learning and mathematical biology

Gorban is the author of about 20 books and 300 scientific publications[1] He has founded several scientific schools in the areas of physical and chemical kinetics, dynamical systems theory and artificial neural networks, and is ranked as one of the 1000 most cited researchers of Russian origin[2]

Gorban has supervised 6 habilitations and more than 30 PhD theses

Contents

  • 1 Biography
  • 2 Research activity
  • 3 Bibliography
  • 4 Notes
  • 5 External links

Biography

Alexander N Gorban was born in Omsk on 19 April 1952 His father Nikolai Vasilievich Gorban was a historian and writer of Ukrainian origin exiled from Ukraine to Siberia, and his mother was a literature teacher in Omsk Pedagogical Institute In 1965-1966 he studied at the Specialized Educational Scientific Center on Physics, Mathematics, Chemistry and Biology of Novosibirsk State University SESC NSU In 1967, at the age of 15, he entered Novosibirsk State University but was excluded from it in autumn 1969 because of his participation in January 1968 in political student movements against the convictions of Soviet writers Alexander Ginzburg and Yuri Galanskov

After studying for a year in a vocational technical school and following an individual extramural program at Omsk Pedagogical Institute, he obtained a masters degree with a thesis entitled Sets of removable singularities in Banach spaces and continuous maps under the supervision of Russian mathematician Vladimir B Melamed

In 1973-1976 he worked in the Omsk Institute Of Transport Engineers and published his first scientific works, but his scientific career could not develop successfully because of his past political record He had several temporary work places from 1976-1978, each time being compelled to resign, but then moved to Krasnoyarsk where he was permanently employed at the Institute of Computational Modeling In 1980, Gorban obtained his Candidate of Sciences diploma, corresponding to PhD in the Russian scientific degree hierarchy His thesis title was Slow relaxations and bifurcations of omega-limit sets of dynamical systems His viva was organized by Olga Ladyzhenskaya, Mark Krasnosel'skii, and George M Zaslavsky

With the beginning of Perestroika he became the head of the Laboratory of Non-Equilibrium Systems in 1989 and completed his habilitation in 1990 In 1995 he became the deputy director of the Institute of Computational Modeling and head of the Computational Mathematics Department At the same time, he taught at Krasnoyarsk State University 1981-1991 and subsequently headed the Neuroinformatics Department at the Krasnoyarsk State Technical University 1993-2006

The Program Committee of the Russian Conference "Mathematical Methods in Chemical Kinetics", Shushenskoye, Krasnoyarsk Krai, 1980 From left to right: AI Vol'pert, VI Bykov, AN Gorban, GS Yablonsky, ANIvanova

In the 1990s, Gorban visited several mathematical institutes in US and Europe, including the Clay Mathematics Institute, Courant Institute of Mathematical Sciences, Institut des Hautes Etudes Scientifiques, ETH 2003-2004, Isaac Newton Institute

In 2004, Gorban became Professor of Applied Mathematics at the Leicester University, UK, and the chair of its Mathematical Modeling Centre

Gorban is a stepbrother of Svetlana Kirdina

Research activity

Gorban's scientific contributions have been made in theoretical physics, mechanics, functional analysis, theory of natural selection, theory of adaptation, artificial neural networks, physical kinetics, bioinformatics A top level view of scientific activity and the future of applied mathematics have been given in his book "Demon of Darwin: idea of optimality and natural selection",[b 1] articles and public lectures[3]

In functional analysis, Gorban has investigated the properties of analytical Fredholm subsets in Banach spaces, formulated the relevant principle of maximum modulus and proved an analogue of the Remmert-Stein theorem

In mathematical chemistry, Gorban has investigated the thermodynamical properties of chemical systems based on the analysis of Lyapunov's function trees in the polytope of conservation laws[b 2][b 3] He developed a theory of thermodynamically admissible paths for complex multidimensional systems of chemical thermodynamics and kinetics[a 1]

Together with Grigoriy Yablonsky and his team he developed methods of mathematical modeling and analysis of chemical system models for kinetics of catalytic reactions[b 4] He investigated the relaxation properties of some chemical systems and developed the singularity theory for transient processes of dynamical systems,[a 2] developed the method of path summation for solving the chemical kinetics equations,[a 3] developed a theory of dynamic limitation and asymptotology of chemical reaction networks[a 4] which was applied to modeling of biological signalling networks and mechanisms of microRNA action on translation regulation[a 5]

Gorban has developed a series of methods for solving equations of chemical and physical kinetics, based on constructive methods of invariant manifold approximation[a 6] This theory has found many applications in the construction of physically consistent hydrodynamics as a part of Hilbert's sixth problem,[a 7] modeling non-equilibrium flows, in the kinetic theory of phonons, for model reduction in chemical kinetics, and modeling liquid polymers[b 5] He developed new methods for application of the Lattice Boltzmann's Method, based on its thermodynamical properties[a 8] Gorban has developed a mathematical model of the Gorlov helical turbine and estimated its achievable efficiency in energy capture[a 9] He investigated general problems of geometrical interpretation of thermodynamics[a 10] and general properties of non-classical entropies[a 11]

In the mathematical theory of natural selection, Gorban developed a theory of a special class of dynamical systems with inheritance[a 12][b 1] He discovered and explained theoretically the universal phenomenon of system adaptation under stress conditions, leading to simultaneous increase of correlations and variance in the multidimensional space of system parameters The Anna Karenina principle developed by Gorban is now applied as a method of diagnostics and prognosis for economics and human physiology[a 13]

Gorban developed highly efficient parallel methods for artificial neural networks ANN learning, based on systematic use of duality of their functioning,[b 6][b 7] and developed methods of knowledge extraction from data based on sparse ANNs He proved the theorem of universal approximation properties of ANN[a 14] All these approaches have found numerous applications in existing expert systems Together with I Tyukin, he developed a series of methods and algorithms for fast, non-iterative and non-destructive corrections of errors in legacy Artificial intelligence systems[a 15] These methods are based on the concentration of measure phenomena, ideas of statistical mechanics and original stochastic separation theorems[a 16]

In applied statistics, Gorban developed methods for constructing principal manifolds Elastic maps method and their generalizations principal graphs, principal trees, based on the mechanical analogy with elastic membrane The method has found numerous applications for visualization and analysis of economical, sociological and biological data[b 8]

In bioinformatics Gorban was one of the first to apply the method of frequency dictionaries and Principle of maximum entropy for analysis of nucleotide and amino acid sequences[a 17] He investigated the general properties of compact genomes and proved the existence of a 7-cluster structure in the genome sequence, which was applied for solving the de novo gene identification problem[a 18]

Bibliography

Selected books:

  1. ^ a b Gorban AN, Khlebopros RG Demon of Darwin: Idea of optimality and natural selection in Russian Nauka FizMatGiz, 1988, 208p
  2. ^ Gorban AN Equilibrium encircling Equations of chemical kinetics and their thermodynamic analysis in Russian Novosibirsk: Science, 1984, 226 p
  3. ^ AN Gorban, BM Kaganovich, SP Filippov, AV Keiko, VA Shamansky, IA Shirkalin, Thermodynamic Equilibria and Extrema: Analysis of Attainability Regions and Partial Equilibria, Springer, Berlin-Heidelberg-New York, 2006
  4. ^ Yablonsky, GS; VI Bykov; AN Gorban'; VI Elokhin 1991 Compton, RG, ed Kinetic Models of Catalytic Reactions Comprehensive Chemical Kinetics 32 Amsterdam–Oxford–New York–Tokyo: Elsevier Retrieved June 13, 2016 
  5. ^ Gorban AN, Karlin IV Invariant Manifolds For Physical And Chemical Kinetics — Springer, Berlin-Heidelberg-New York, 2004 - 516 p
  6. ^ Gorban AN, Training neural networks, Moscow: USSR-USA Paragraph, 1990, 160 p
  7. ^ Gorban AN, Rosieev DA, Neural networks on personal computer in Russian - Novosibirsk: Science, 1996, 276 p
  8. ^ Gorban AN, Kegl B, Wunch D, Zinovyev A eds Principal Manifolds for Data Visualization and Dimension Reduction, Lecture Notes in Computational Science and Engineering — Springer, 2008 — Vol 58 — 340 p

Selected articles:

  1. ^ Gorban AN 2013Thermodynamic Tree: The Space of Admissible Paths, SIAM J Applied Dynamical Systems, Vol 12, No 1 2013, pp 246-278
  2. ^ Gorban AN 2005 Singularities Of Transition Processes In Dynamical Systems: Qualitative Theory Of Critical Delays Electronic Journal of Differential Equations, Monograph 05, 2004
  3. ^ Gorban AN, Kinetic path summation, multi-sheeted extension of master equation, and evaluation of ergodicity coefficient, Physica A 390 2011 1009-1025
  4. ^ Gorban AN, Radulescu O, Zinovyev AY, Asymptotology of chemical reaction networks, Chemical Engineering Science 65 2010 2310–2324
  5. ^ Morozova N, Zinovyev A, Nonne N, Pritchard LL, Gorban AN, Harel-Bellan A, Kinetic signatures of microRNA modes of action RNA 189 2012, 1635-55
  6. ^ Gorban AN, Karlin IV, Method of invariant manifold for chemical kinetics, Chem Eng Sci 58, 2003, 4751-4768
  7. ^ Gorban AN, Karlin I, Hilbert's 6th Problem: exact and approximate hydrodynamic manifolds for kinetic equations, Bulletin of the American Mathematical Society, 512, 2014, 186-246
  8. ^ Brownlee RA, Gorban AN, Levesley J, Nonequilibrium entropy limiters in lattice Boltzmann methods, Physica A 387 2-3 2008, 385-406
  9. ^ Gorban AN, Gorlov AN, Silantyev VM, Limits of the turbine efficiency for free fluid flow, Journal of Energy Resources Technology 123 2001, 311-317
  10. ^ AN Gorban, IV Karlin Geometry of irreversibility: The film of nonequilibrium states ArXiv https://arxivorg/abs/cond-mat/0308331
  11. ^ Gorban AN, Gorban PA, Judge G, Entropy: The Markov ordering approach, Entropy 125 2010, 1145-1193
  12. ^ ANGorban Selection Theorem for Systems With Inheritance Math Model Nat Phenom Vol 2, No 4, 2007, pp 1-45
  13. ^ Gorban AN, Smirnova EV, Tyukina TA, Correlations, risk and crisis: From physiology to finance, Physica A 389 16 2010, 3193-3217
  14. ^ Gorban AN, Approximation of continuous functions of several variables by an arbitrary nonlinear continuous function of one variable, linear functions, and their superpositions, Appl Math Lett, Vol 11 3 1998, 45-49
  15. ^ Gorban, AN, Tyukin, IY Blessing of dimensionality: mathematical foundations of the statistical physics of data Phil Trans R Soc A 376 2118 2018, 20170237 doi:101098/rsta20170237
  16. ^ Gorban, AN, Tyukin, IY Stochastic separation theorems Neural Networks, 94 2017, 255-259 doi:101016/jneunet201707014
  17. ^ Bugaenko NN, Gorban AN, Sadovsky MG Towards the Determination of Information Content of Nucleotide Sequences in Russian, Molekulyarnaya Biologiya 303 1996, 529–541
  18. ^ Gorban AN, Zinovyev A Y, The mystery of two straight lines in bacterial genome statistics, Bulletin of Mathematical Biology 69 2007, 2429–2442

Notes

External links

  • Alexander N Gorban's homepage
  • Correlation adaptometry
  • Thermodynamics in chemical reaction networks
  • Methods of non-linear principal manifolds
  • The mathematical theory of natural selection
  1. ^ Alexander N Gorban publications indexed by Google Scholar
  2. ^ According to http://wwwscientificru/ , 2012
  3. ^ Gorban AN, The future of applied mathematics Public lecture on YouTube Video, in Russian

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