Nikolay D. Zaitsev - Santa Lucia

Eng / Rus

Dmitry A. Zaitsev Dr.Sci., Professor Senior Member of ACM and IEEE E-mail: daze@acm.org ACM: Association for Computing Machinery IEEE: Institute of Electrical and Electronics Engineers News from Zaitsev

Publications & Presentations Software & Models CV Live-stream GitHub Repositories

Invited talk to RP'2023 on Oct 10-13, 2023: Sleptsov Net Computing Resolves Modern Supercomputing Problems , based on SNC references "A little pigeon": Bernard Berthomieu, Dmitry A. Zaitsev, Sleptsov nets are Turing-complete, Theoretical Computer Science, Volume 986, 2024

Video/Audio

• "Modeling mosquitoes and viruses by cellular automata and Petri nets" talk to 1st Online Conference on Society, Health and Economics, Fuerteventura, Canary Islands, Spain, May 19, 2021
• "Speed-up Solving Linear Systems on Parallel Architectures via Aggregation of Clans" talk at LVEE 2019 ( Slides )
• Erasmus+ talk at Barcelona Supercomputing Center "Speed-up Solving Linear Systems via Composition of Clans" (Info), Jan 31, 2019
• Webinar "Sleptsov Net Computing: The Solution to Hyper-Computations Supporting Cybersecurity and Other Applications", Mar 28, 2018
• Invited lecture at New Jersey Institute of Technology, Newark - "Infinite Petri Nets" (Slides), 11.10.17
• Invited lecture at Stony Brook University, New York - "Sleptsov Net Computing" (Info, Slides), 10.10.17

Principal Theoretical Results

• Theory of linear system clans, their simultaneous and parallel-sequential composition
• Theory of Infinite Petri Nets with regular structure (linear, square, hypercube)
• Sleptsov net computing
• Explicit construction of small Universal Sleptsov/Petri Nets
• Generalized neighbourhood for cellular automata
• Compositional Analysis of Petri Nets based on Decomposition of Petri Net into Functional Subnets
• Functional equivalence and equivalent transformationsof timed Petri nets
• Timed Petri nets with multi-channel transitions, their state equation and partial invariants
• Synthesis of Continuous (fuzzy) Logic function given by table

Principal Scientific-Practical Results

Education

• 1981-1986 Donetsk Polytechnic Institute (DPI), Applied Mathematics
• 1988-1991 post graduate course, DPI, Computer Science
• 1991 Academic Council of Kiev Cybernetics Institute Ac.Sci. Ukraine, Ph.D., Automated Control
• 2006 Academic Council of ONAT, Dr.Sci., Telecommunication Systems and Networks

Jobs

• 1986-1996 DPI, Department of Applied Mathematics and Informatics (AMI): 1986-1992 assistant professor, 1992-1996 associate professor; chief programmer in software development projects; system programmer; computer network administrator
• 1997-1998 Surgut State University, Department of Computer Science and Informatics, associate professor; chief of Network Technology Laboratory
• 1999-2003 Information and Computer Centre of Odessa Railway, leader engineer
• 2002-2006 ONAT, Department of Communication Networks, associate professor
• 2006- Professor
• March 2005 University Paris-Dauphine, invite professor
• 2009-2019 International Humanitarian University, Department of Computer Engineering, professor
• 2014-2019 Vistula University, Department of Computer Science, professor
• July-August 2015 Technical University of Dortmund, visiting professor, DAAD fellowship
• August 2015, University of Nice Sophia Antipolis, invited professor
• Autumn 2017 Innovative Computing Laboratory, University of Tennessee, USA, Visiting Professor (Fulbright Scholarship)
• July 2018 Eindhoven University of Technology, Netherlands, Visiting Professor
• 2019- Odessa State Environmental University, Department of Information Technology, professor
• April-July 2022 Johannes Kepler University, Linz, Austria, visiting professor
• August 2022-November 2023 Université Côte d'Azur, France, visiting professor
• December 2022- Darmstadt University of Technology, Germany, visiting professor

Experience

• Recent projects: "Analysis of computational grids efficiency via Colored Petri Nets" - Austria-Ukraine cooperation grant, 2013-2014; "Production control with Petri nets" - China-Ukraine cooperation grant, 2011-2012; "Developing New Addressing Systems for World-Wide Networks (?6)" - state grant, 2008-2009; "Verification of Complex Networking Protocols", 2007-2008, grant NATO ICS.NUKR.CLG 982698; "Simulating Backbone MPLS Networks", Ukrtelekom, 2007-2008
• Science: Petri Net Theory and Applications. Senior Member of IEEE. Senior Member of ACM. Applications: analysis and synthesis of telecommunication networks, production management and control.
• Teaching work: Lectures: Networking Technology, Modeling of Systems and Networks, Operating Systems, System Software. Supervision of diploma works. Former lectures: Computer Networks, Information Technology, Data Bases, Discrete Mathematics, Packets of Applied Programs, section Petri nets in course Theoretical Foundations of Informatics. Practical and laboratory: Programming, System Programming, Theoretical Foundations of Computers, Theoretical Foundations of Informatics, Computer Graphics, Organisation of Computing Processes, Theory of Computer Systems.
• Software development: Chief programmer in development of enterprise management and control system "Opera-Topaz" - about 100 thousands lines of source code, C. Took part in development about four software systems of middle-high complexity (C, Pascal). Usage: Korolyova Corporation, Kiev; Motorsich Corporation, Zaporizhzhe; Topaz Corporation, Donetsk (producer of ?Kolchuga?). Programming languages: C, Pascal, Assemblers. DBMS: Oracle.
• Telecommunications and networks administration: Creation of Internet site surgu.wsnet.ru. Development of Internet site dgtu.donetsk.ua. Network and telecommunication equipment administration. Platforms: Sun SPARC/Solaris and other Unix; Cisco; MS Windows 9x/NT/2000.

• 1986 System Programmer of RSX11M (DEC), LIMTU, St.Petersburg
• 1994 Organisation of Business in HiTech, RPI (USA) in Kiev
• 1995 Internet and Web Technology, DEC in Apatity, Russia
• 2002 Administration of Modern OS and DBMS, DIIT, Dnepropetrovsk, Ukraine

Hobby

• Yachting, alpine ski, bridge, mahjong

Misc

Recent Courses

Photo Albums

Mahjong with Dima Zaitsev

Ode to Jack Dongarra (Exascale Jack)

ETH 0x0882dE5D9944Fe353243bAbF2b49A15C15A18628

"Petri nets are among the more interesting constructs in mathematics. I have used them in the analysis of program flow and Dmitri Zaitsev's book explores other properties of these unique and powerful constructs." Vinton Cerf - Father of Internet, President of ACM, Chief Internet Evangelist of Google