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 Picture of Stefan Samko

Stefan Samko

Prof. Dr. Stefan Samko (ssamko@ualg.pt)

Academic Degrees:

  • Doctor of Science, Moscow Steklov Institute,1978
  • Candidate of Science(PhD), Minsk, USSR, 1967.

Professional Experience and Education:

  • 2011-present Professor Jubilado, Universidade do Algarve.
  • 2003-2005 President of Mathematical Department, Universidade do Algarve.
  • 2002-2011 Full Professor, Universidade do Algarve.
  • 2000-2002 Invited Associate Professor with Aggregation, Universidade do Algarve.
  • 1995-2000 Invited Associate Professor, Universidade do Algarve.
  • 1988-1996 Chair of Differential and Integral Equations, Rostov University.
  • 1979-1981 Dean of Department of Mathematics and Mechanics, Rostov University.
  • 1979-1996 Full Professor, Rostov University.
  • 1967-1979 Associate Professor, Rostov University.
  • 1965-1967 Assistant Professor, Rostov University.
  • 1964-1965 Post graduate student, Rostov University

Highlights:

  • Four published monographs
  • More than 230 research papers
  • Scientific adviser of 21 defended doctoral theses
  • Member of Editorial Boards of International Scientific Journals
  • Referee at various International Mathematical Journals
  • Winner of the Fulbright Grant
  • Awarded by the International Cultural Diploma of Honour by the American Bibliographical Institute
  • Honorary Member of Ukranian Academy of Sciences of Superior School

Membership in Editorial Boards of Scientific Journals:

  • 1974-Present: Member of the Editorial Board of the Journal "Izvestia Vuzov. Matematika (Russian), published in English by Springer as "Russian Mathematics"
  • 1992-Present: Member of the Editorial Board of the International Journal "Integral Transforms and Special Functions"
  • 1998-Present: Member of the Editorial Board of the journal "Fractional Calculus and Applied Analysis
  • 1998-2000: Member of the Editorial Board of the journal "International Journal of Mathematical and Statistical Sciences".
  • 1999 - present : Member of Editorial Board of the journal "Proceedings of A. Razmadze Mathematical Institute"
  • 2007 - present : Member of Editorial Board of the journal "Journal of Mathematical Inequalities"
  • 2008 - present : Member of Editorial Board of the journal "Armenian Journal of Mathematcs"
  • 2009 - present : Member of Editorial Board of the journal "Mathematics in Engineering, Science and Aerospace (MESA)"
  • 2009 - present : Member of Editorial Board of the journal "International Journal of Mathematics and Mathematical Sciences"
  • 2011 – present : Member of Editorial Board of the journal "Communications in Mathematical Analysis

Organization of Conferences, Workshops and sessions on Congresses:

  • 1978-1994: Member or Chairman of Organizing Committee of various conferences in the Soviet Union
  • 1997: Organizer of the Session "Function Spaces and Their Applications" at the 1st Congress of ISAAC (International Society for Analysis, Applications and Computations), University of Delaware, USA
  • 1999: Organizer of the Session "Function Spaces and Their Applications" (International Society for Analysis, Applications and Computations) University of Fukuoka, Japan, August 16-21
  • 2001-2002: Chairman of the Organizing Committee of the International Conference FSORP-2002, Madeira (http://fsorp.digiways.com).
  • 2002-2004: Chairman of the International Programme Committee of the Workshop FDA-04, Bordeaux (http://www.lap.u-bordeaux1.fr/fda04/) .
  • 2004-2005: Organizer of the session "Variable exponent analysis and applications" at the 5th Congress of ISAAC (International Society for Analysis, its Applications and Computation), 25-30 July, 2005, University of Catania
  • 2006-2007: Organizer of the session "Spaces of Differentiable Functions of Several Real Variables and Applications" at the 6th Congress of ISAAC, 13-18 August, 2007, Ankara, Middle East TechnicalUniversity
  • 2008-2009: Organizer of the session "Spaces of Differentiable Functions of Several Real Variables and Applications" at the 7th Congress of ISAAC, July 13-18, 2009, London, Imperial College London
  • 2009-2010: Chairman of the Organizing Committee of Summer School and Workshop HART-2010 (Harmonic Analysis and Related Topics), Lisbon, IST, June 21-25, 2010.
  • 2009-2010: Organizer of the session Integral Equations and their Applications at the ICNPAA 2010 World Congress 8th International Conference on Mathematical Problems in Engineering, Aerospace and Sciences, INPE, Sao Jose dos Campos (SP), Brazil, June 30, 2010 July 3, 2010

Invited Speaker:

  • WOAT 2006 , September 1-5 (Workshop Operator Algebras, Operator Theory and Applications- Satellite Conference to International Congress of Mathematicans, Madrid, 2006),
  • May 27 - June 03, 2008, XVI Intern. Conf. "Mathematics, Economics, Education" and Vth Intern. Symposium: Fourier series and Applications, Rostov State University, Russia, "Moryak"
  • Sept. 2-5, 2008, Workshop on Variable Expon. Anal. and Related Topics, A.Razmadze Inst. and Georgian Techn. Univ.,
  • October 3-5 of 2008, II Iberian Mathematical Meeting, Badajoz (Spain)
  • August 22-24, 2008, Workshop FSDONA-2008, Helsinki (Finland)
  • September 18 –19, 2008: On Variable Exponent Trends in Fractional Calculus. “Fractional Flows Workshop”, Univ. of Warwick, Coventry, UK
  • September of 2010: Boundedness of weighted singular integral operators on Carleson curves in Grand Lebesgue spaces” at the Session-Workshop “Analysis, Inequalities and Homogenization Theory and Applications" of ICNAAM-2010
  • June 1, 2011 : Grand Lebesgue spaces on sets of infinite measure. Summer School and Workshop ”New Function Spaces in PDEs and Harmonic Analysis”, Naples
  • June 17, 201: Spherical fractional integrals and their application to a problem of aerodynamic Workshop on Fractional Calculus, Swansea.
  • September 12-18, 2011 Grand Lebesgue spaces, 6th International Conference AMADE-2011 dedicated to the memory of A. A. Kilbas
  • September 18–24, 2011: Classical operators of Harmonic Analysis in variable exponent Morrey type spaces”8th International Conference FSDONA 2011
  • September 26-31, 2011: Grand Lebesgue spaces, International Conference on on Spaces, Weights and Variable Exponent Analysis, Barcelona

Research Projects:

  • 1998-2001: Coordinator of the Grant N 98-01 00261 of RFFI (Russian Funds of Fundamental Investigations) at the Rostov State University, Russia.
  • 1999-2002: Coordinator of the grant of FCT (Lisbon) under the Programme PIDDAC "PRAXIS XXI", BCC, 18977, 98
  • 2000-2002: Coordinator of the grant "Luso-Britanica" of CRUP
  • 2007-2008: Coordinator of the International INTAS (Brussels) Project "Variable Exponent Analysis", N 06-1000017-8792, including 4 teams (Finland, Portugal, Georgia, Azerbaijan)
  • 2009-2011: Coordinator of the Project "Application of the theory of hypersingular integrals to image recognition in problems for composite materials" under the Russian Federal Targeted Programme "Scientific and Research-Educational Personnel of Innovative Russia"

Long Term Visiting Professorship :

  • FULBRIFGT Scholar at University of New Haven, USA, September 1992- September 1993.
  • Visiting Professor at the University of Algarve Portugal, January 1995-July 1995
  • DAAD Scholar at the Freie Universitat Berlin October-December 1995
  • GRANT of London Mathematical Society for lecturing and research at universities of UK (England, Wales and Scotland), May-June 1997

 

Other:

  • Reviewer: in "Zentralblatt fur Mathematik" since 1969, in "RZMat" since 1970, in "Mathematical Reviews" since 1971.
  • 1980-2000: Chairman of the Council conferring Scientifical Degrees in Mathematics at the Rostov State University
  • From 2003: Coordinator of the research group "Harmonic Analysis, Operator Theory and Applications" (Algarve Group) of the research center CEMAT of Instituto Superior Tecnico, Lisbon

List of Publications includes more than 230 items. Some of the papers published recently are the following:

  • Weighted Sobolev theorem with variable exponent (with B.Vakulov), J. Math, Anal. Appl. 2005, vol. 310, 229-246.

  • Best constant in the weighted Hardy inequality; the spatial and spherical versions, Fract. Calc. Appl. Anal., 2005, vol. 8, No 1, pp. 39-52.

  • Characterization of Riesz and Bessel potentials on variable Lebesgue spaces (with Alexandre Almeida), J. Function Spaces and Applic. 2006, Vol. 4, No 2.

  • The maximal operator in variable spaces Lp(.)(Ω,ρ) with oscillating weights (with V.Kokilashvili and N.Samko). Georgian Math. J. , 2006, vol. 13, No 1.

  • Local Fredholm spectrums and Fredholm properties of singular integral operators on Carleson curves acting on weighted Holder spaces (with V.Rabinovich and N.Samko), Integr. Eq. Oper. Theory, 2006, vol. 56, no 2, 257-283.

  • Hardy inequality in variable exponent Lebesgue spaces (with L.Diening). Frac. Calc. Appl. Anal., 2007, vol. 10, No 1, 1-18.

  • Weighted Sobolev theorem in Lebesgue spaces with variable exponent (with N.Samko and B.Vakulov). J. Math. Anal. and Applic., 2007, vol. 335, No 1, 560-583

  • Essential Spectra of Pseudodifferential Operators in Sobolev Spaces with Variable Smoothness and Variable Lebesgue Indices (with V.S.Rabinovich), Doklady Mathematics, 2007, Vol. 76, No. 3, 835--838.

  • Boundedness of maximal operators and potential operators on Carleson curves in Lebesgue spaces with variable exponent (with V.Kokilashvili), SINICA, 2008, vol. 24, No 1.

  • Boundedness and Fredholmness of pseudodifferential operators in variable exponent spaces (with V.Rabinovich), Integr. Equat. Oper. Theory, Vol. 60, No 4, 507-537, 2008

  • The maximal operator in weighted variable Lebesgue spaces on metric spaces (with V.Kokilashvili), Georg. Math. J., 2008, 15, no 4, 683-712.

  • Maximal and potential operators in variable exponent Morrey spaces (with A.Almeida and J.Hasanov), Georgian Math. J., 2008, vol. 15, N2, 195-208.

  • Some classical operators in variable exponent Lorentz spaces (with L.Ephremidze and V.Kokilashvili), Fract. Calc. Appl. Anal., 2008, 407-420.

  • Operators of harmonic analysis in weighted spaces with non-standard growth (with V.Kokilashvili), J. Math. Anal. Appl. 352 (2009) 15-34

  • Dominated Compactness Theorem in Banach Function Spaces and its Applications (with H.Rafeiro). Compl. Anal. Oper. Theory, 2008, Vol. 2, No 4, 669-681.

  • Weighted Boundedness of the Maximal, Singular and Potential Operators in Variable Exponent Spaces (with Kokilashvili), In: "Analytic Methods of Analysis and Differential Equations, Eds: A.A.Kilbas and S.V.Rogosin, Cambridge Scientific Publishers, 139-164, 2008.

  • Embeddings of variable Hajlasz-Sobolev spaces into Holder spaces of variable order (with A.Almeida), J. Math. Anal. Appl., 353, 2009, 489-496.

  • Fractional and hypersingular operators in variable exponent spaces on metric measure spaces (with A.Almeida), Meditter. J. Math., vol. 6, 2009, 215-232

  • Characterization of the variable exponent Bessel potential spaces via the Poisson semigroup (with H.Rafeiro), J. Math. Anal. Appl., 365 (2010) 483-497

  • Boundedness of the maximal, potential and singular operators in the generalized variable exponent Morrey spaces (with V. Guliev and J. Hasanov), Math. Scand. 2010, vol. 108,

  • Potentials in generalized Holder spaces over uniform domains Rn (with L. Diening), Revista Matematica Complutense, 2010, to appear DOI: 10.1007/s13163-010-0043-6

  • Fractional integrals and hypersingular integrals in variable order Holder spaces on homogeneous spaces (with N.Samko and B.Vakulov), J. Funct. Spaces Appl., 2010, to appear.
    • http://w3.ualg.pt/~ssamko/disciplina.AM.II/
    http://w3.ualg.pt/~ssamko/disciplina.AM.III-EA,MIEB/