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                 Head of Theoretical High-Energy Physics Laboratory

   Sergey V. Ketov,  Associate Professor

     Dr. Phys.-Math. Sci.,  PhD,  Dr.  rer. nat. habil.


Address:  Physics Department , Graduate School of Science
                  Tokyo Metropolitan University , Minami-osawa 1-1, Hachioji-shi
                  Tokyo 192--0397, JAPAN

Location:   Minami-osawa Campus,  8th Bldg.,   5th Floor,   Office 581

Phone:       (+81)  426  77  2519

Fax:           (+81)   426  77 2483

E-mail:      ketov at phys.se.tmu.ac.jp      or     ketov at tmu.ac.jp

also associate member of Kavli Institute for the Physics and Mathematics of the Universe (IPMU), The University of Tokyo Institutes for Advanced Study, Kashiwa-shi, Chiba, 277-8583, Japan,

expert panel member of a Chilean Government Agency (ANID/CONICYT) for scientific research, external expert of the European Science Foundation (ESF)

research   teaching   preprints   books  publications   seminars  conferences   cooperation  location and access

main results    guests  journals   hep-th  INSPIRE

In Japanese:   J-homepage   J-research   J-teaching

In Russian:   Russian-affairs  

Homepage of Tokyo Metropolitan University

Homepage of Graduate School of Science, Tokyo Metropolitan University

Homepage of Physics Department, Graduate School of Science, Tokyo Metropolitan University

present members of our Lab

"Wer zu spät auf die Wissenschaft hört, den bestraft das Leben."


CV in Japanese

Summary with SCOPUS

See also find a ketov and citation summary from INSPIRE, h-index 30

born in Tomsk, USSR

fluent in English, German and Russian, some Japanese and French


1982 Diploma Physicist from Tomsk State University, USSR

Diploma Work `Renormalization of Non-Linear Sigma Models'. Supervisor Prof.-Dr. E. S. Fradkin (F in BFV and FT), Lebedev Physical Institute, Moscow

1983 the 1st Award in the all-Russia Physics Diploma Work Competition

Professor E. S. Fradkin (1924--1999), the outstanding theoretical physicist and the full member of the Russian Academy of Sciences, was my first academic supervisor. His influence was essential in my deciding to work in theoretical high-energy physics

1986 Cand. Sci. (PhD), `N=2 Extended Supersymmetry and Supergravity in Quantum Field Theory'. Supervisor Prof.-Dr. I. V. Tyutin (T in BRST), Lebedev Physical Institute, Moscow

1990 Dr. Sci. (Habilitation), `Non-Linear Sigma Models in Supersymmetry, Supergravity and Superstrings' from the Nuclear Physics Institute of the Soviet Academy of Sciences in Novosibirsk

1998 Privat-Dozent (German Habilitation), `Zur Theorie des Confinements', durch den Fachbereich Physik, Universitaet Hannover, Niedersachsen (Lower Saxony), Germany

1998 French attestation `inscription sur la liste de qualification aux fonctions de professeur des universit'es' from the National Ministry of Education, Research and Technology in Paris

2001 Privat-Dozent (German Umhabilitation), `Jenseits des Standartmodells', durch den Fachbereich Physik, Universitaet Kaiserslautern, Rheinland-Pfalz, Germany


1986--1990 Research Associate, Junior Scientist, Senior Scientist at High Current Electronics Institute of Soviet Academy of Sciences, Tomsk. USSR

1988--1990 Dozent, Department of Physics, Tomsk State University, USSR

1991--1992 Visiting Professor, Elementary Particles Group, Department of Physics, University of Maryland, College Park, USA

1992--1999 Assistant Professor, Research Associate at the Institute for Theoretical Physics, Department of Physics, University of Hannover, Germany

2000--2002 Research Associate, Department of Physics, University of Kaiserslautern, Germany

since 2002 Associate Professor, Department of Physics, Tokyo Metropolitan University, Japan

since 2010 Research Associate (Visiting Scientist) at the Institute for the Physics and Mathematics of the Universe (IPMU), The University of Tokyo Institutes for Advanced Study, Japan


1992 Department of Physics, Howard University, Washington D.C., USA
1996, 1998 Department of Physics, Chalmers Institute of Technology, Goeteborg, Sweden
1996, 2000 Niels Bohr Institute, Copenhagen, Denmark
1998, 1999, 2010 Theory Division, CERN, Geneva, Switzerland
1998, 2000, 2011, 2019 Max-Planck-Institut fuer Gravitationsphysik, Potsdam, Germany
1999 Yukawa Institute for Theoretical Physics, Kyoto University, Japan
1999 Korean Advanced Study Institute, Seoul, S.-Korea
2000 Theory Group, INFN in Frascati, Italy
2001, 2002 CIT-USC Center for String Theory, Los-Angeles, USA
2007, 2009 Centre de Physique Theorique, Universite de Provence, France
2008 Center for String and Particle Theory, University of Maryland, USA
2010 Max-Planck-Institute of Physics, Munich, Germany
2011, 2019 DESY Theory Group, Hamburg, Germany (SFB Fellow)
2012 University of Western Sydney, Sydney, Australia (Visiting Professor)
2012 University of Western Australia, Perth, Australia (Visiting Professor)
2012-2013 Leibniz University, Hannover, Germany (DAAD-Professor)
2013 Physics Department, University of Oslo, Oslo, Norway (Visiting Professor)
2017 Nordita, KTH Royal Institute of Technology and Stockholm University, Stockholm, Sweden
2017 South American Institute for Fundamental Research, Sao Paulo, Brazil
2021 Ludwig-Maximilian-University, Munich, Germany (Visiting Professor)
2021-2022 Leibniz University, Hannover, Germany (sabbatical)
2023 CERN, Geneva, Switzerland (Visiting Researcher)
2024 NORDITA, Stockholm, Sweden (Distinguished Visitor)


1988 Spring School on String Theory, ICTP, Trieste, Italy
1989 Summer School on Superstrings, Unified Theories and Cosmology, ICTP, Trieste, Italy
1990 Summer School in Mathematical Physics, Tomsk, USSR
1993 Spring School on Gauge Theories, 2d Quantum Gravity, Black Holes and Strings, ICTP, Trieste, Italy
1994 Spring School on Topological and Gauge Theories, Black Holes and Strings, ICTP, Trieste, Italy
1995 Summer School on Strings, Gravity and Related Topics, ICTP, Trieste, Italy
1996 Spring School on Duality in Gauge Theories and Strings, ICTP, Trieste, Italy
1996, 1997 Duality Workshops, Theory Division, CERN, Geneva, Switzerland
1998 Spring School on Non-Perturbative Aspects of String Theory and Supersymmetric Gauge Theories, ICTP, Trieste, Italy
1999 Yukawa School on Recent Developments in M Theory and Strings, YITP, Kyoto, Japan
2014 ASC School "Strings and Fundamental Physics", LMU University, Munich, Germany
2016 ICTP Workshop on Geometric Correspondence of Gauge Theories, Trieste, Italy


1993--1995 Principal Investigator, `Self-Dual Supergravities, Their Symmetries and Quantization', from the Deutsche Forschungsgemeinschaft (DFG)

1994--1996 Co-principal Investigator (together with Prof. O. Lechtenfeld et al.), `Applications of Integrable Models in Conformal Field Theory and Strings', from the Volkswagen-Stiftung

1994--1998 Co-principal Investigator (together with Prof. S. J. Gates Jr., University of Maryland, USA), from the NATO Science Division

1996--2000 Co-principal Investigator (with Prof. D. Luest et al.), `Quantum Symmetries and Duality in Supersymmetric Field Theories', German-Russian Project supported by DFG and RFFI

1999 Principal Investigator, `Non-perturbative Structure of N=2 and N=4 Supersymmetric Gauge Field Theories', from the Deutsche Forschungsgemeinschaft (DFG)

2001--2002 Principal Investigator, `Exact Renormalization Group and Instanton Corrections from Holography and AdS/CFT Correspondence', from the Deutsche Forschungsgemeinschaft (DFG)

2002--2004 Co-principal Investigator (with Prof. A. Morozov et al., Moscow, Russia), `AdS/CFT Correspondence and Matrix Models', from the Volkswagen-Stiftung

2003--2006 Principal Investigator, `Low-energy effective action of compactified type-II superstrings and M-Theory', from the Japanese Society for Promotion of Science (JSPS)

2006--2008 Co-principal Investigator (with Prof. O. Lechtenfeld, Hannnover, Germany), `Non-anti-commutative supersymmetric field theory', from the Japanese Society for Promotion of Science (JSPS) and the Deutsche Forschungsgemeinschaft (DFG)

2007--2009 Principal Investigator, `Supersymmetry and the microscopic structure of spacetime', from the Japanese Society for Promotion of Science (JSPS)

2013 Principal Investigator, `Phenomenological Applications of Modified Supergravity Theory', from the Research Council of Norway (RCN)

2014--2019 Principal Investigator, `Modified Supergravity Models of Cosmological Inflation and Particle Production in Early Universe', from the Japanese Society for Promotion of Science (JSPS)

2021--2024 Principal Investigator, `Formation of primordial black holes after inflation in modified gravity and supergravity', from the Japanese Society for Promotion of Science (JSPS)


2002: from the Government of the Rheinland-Pfalz, Germany (Business Award)

2004: from the Inoue Foundation, Tokyo, Japan (Research Award)

2012: from the Government of Australia (Endeavour Executive Award)

2020: from the Yamada Foundation, Osaka, Japan (Research Award)


1990 School and Workshop in Quantum Field Theory and Strings, Tomsk, USSR
1992 Workshop `Harmonic Oscillator', Maryland, USA
1996 Workshop `Integrable Systems and Strings', Garbsen, Germany
1997 Conference `Quantum Field Theory and Gravity', Tomsk, Russia
2001 Wigner Symposium, Maryland, USA
2003 School and Workshop `Quantum Fields and Strings', Dombay, Russia
2006 International Workshop on Non-commutativity in Strings, Gravity and Field Theory, Tokyo, Japan
2008 German-Japanese Workshop on Strings, Non-commutativity and All That, Hannover, Germany
2012 UK-Japan Winter School in Mathematical Physics, Oxford University, UK
2015 Tomsk-Tokyo Summer School in Mathematical Physics, Tomsk State University, Russia
2016 5th String Theory Meeting in the Greater Tokyo Area, Tokyo, Japan


Associate Editor of the Frontiers in Physics, and Frontiers in Astronomy and Space Sciences

Guest Editor (invited) of the Special Issue "Primordial Black Holes in Cosmology", Frontiers in Physics, and Frontiers in Astronomy and Space Sciences

Guest Editor (invited) of the Special Issue "Physics and Mathematics of the Dark Universe", MDPI Symmetry

Editor in Quantum Field Theory for the INTECH Open Access Publisher; Editor in Mathematical Physics for the HINDAWI International Publishing Corporation

Referee: Physical Review Letters, Physical Reviews D, Journal of Cosmology and Astro-particle Physics, Classical and Quantum Gravity, Physics Letters B, Journal of High Energy Physics, Nuclear Physics B

Reviewer: Mathematical Review (USA), Mathblatt (Germany), in the past

Membership: American Mathematical Society, Japanese Physical Society


Hardware preferences: Apple, HP, Dell

Software preferences: UNIX, Windows 10, Mac OS Ventura; TexShop

last edited: May 16th, 2023