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ATHANASIOS KEHAGIAS

Associate Professor of Applied Mathematics

Dep. of Math., Phys. and Comp. Sciences

Faculty of Engineering

Aristotle University of Thessaloniki

Thessaloniki GR54124, GREECE


Phone +30-2310-995944, Fax +30-2310-996132
Email: kehagiat@auth.gr

WEB: http://users.auth.gr/~kehagiat


June 2011

 

DEGREES AWARDED

1979-1984

Aristotle University of Thessaloniki, Diploma in Electrical Engineering.

1984-1986

Lehigh University (Pennsylvania, USA), M.Sc. in Applied Mathematics.

1986-1991

Brown University (Rhode Island, USA), Ph.D. in Applied Mathematics.

 

PERSONAL INFORMATION

Date of Birth: 14 April 1961
Place of Birth: Thessaloniki, Greece
Family Status: Single
Citizenship: Greek

 

RESEARCH INTERESTS

Mathematical modeling and applications of probability and fuzzy systems. Some of my main interests are the following.

  • Probabilistic modeling of time series as stochastic processes;
  • Classification, prediction and identification of time series.
  • The study of algebraic aspects of fuzzy sets and fuzzy logic; especially fuzzy lattices and fuzzy connectives.
  • Robotics .

     

     

     

    EMPLOYMENT

    1984-1986

    Teaching Assistant at Lehigh University

    1986-1991

    Research and Teaching Assistant at Brown University

    1992-1993

    Systems Analyst, Computer Section of the VI Infantry Division, Greek Armed Forces.

    1993 (Spring)

    Systems Analyst, Mihanologistiki, Inc., Thessaloniki.

    1993-1999

    Assistant Professor, Dept. of Mathematics and Computer Science, American College of Thessaloniki, Thessaloniki, Greece.

    1993-1999

    Research Associate, Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki.

    1999-2005

    Lecturer of Applied Mathematics, General Department, Aristotle Univ. of Thessaloniki

    2005-2010

    Assistant Professor of Applied Mathematics, General Department, Aristotle Univ. of Thessaloniki

    2011-Present

    Associate Professor of Applied Mathematics, General Department, Aristotle Univ. of Thessaloniki

     

    RESEARCH EXPERIENCE

    Publications

    See attached list.

    Visits at Research Institutions

    1993 (Summer)

    Research Visit to the Division of Applied Mathematics, Brown University.

    1999 (August)

    Research Visit to the Inst. for Metal Physics and Nuclear Solid State Physics, Techn. Univ. of Braunschweig.

    2003 (August)

    Research Visitor to the Field Robotics Center, Robotics Institute of Carnegie Mellon University.

    2006 (January-May)

    Research Visitor to the Field Robotics Center, Robotics Institute of Carnegie Mellon University.

    Research Projects

    Some of the research projects in which I have participated are the following.

     

    1. Specification of the FAM (Financial Applications Manager) Language, for the FAM project, Mihanologistiki software house, Thessaloniki, Greece. Spring 1993.
    2. "Learning Problems of Artificial Neural Networks", Department of Electrical and Computer Eng., Aristotle University, Thessaloniki, Greece. Spring 1993.
    3. "Techniques of Non-Rigid Material Handling", Department of Electrical and Computer Eng., Aristotle University, Thessaloniki, Greece. Fall 1993-Summer 1994.
    4. "Short Term Electric Load Forecasting with Neural Nets", Department of Electrical and Computer Eng., Aristotle University, Thessaloniki, Greece. Fall 1994 to Winter 1995.
    5. "Research on Innovative Mechatronic Tools and Systems for Surgical Procedures", Department of Electrical and Computer Eng., Aristotle University, Thessaloniki, Greece. Fall 1994 to Spring 1997.
    6. "GENOS" project on energy conservation and management techniques, Department of Electrical and Computer Eng., Aristotle University, Thessaloniki, Greece. Summer 1996 to Winter 1999.
    7. "Mellon Foundation Project for Computer Aided Instruction", Dept. of Mathematics and Computer Science, American College of Thessaloniki, Spring 1996 to Winter 1999.
    8. "PYLES: Simulation and Hypertext: Self-tutoring Software for Real-Time Systems", Department of Electrical and Computer Eng., Aristotle University, Thessaloniki, Greece. Fall 1998 to 1999.
    9. Electronic Transcription of Modern Greek Dictionaries, Center of the Greek Language, Thessaloniki, Greece. Spring 1999 to Summer 2000.

     

    TEACHING EXPERIENCE

    At Lehigh Univ.

    Teaching Assistant for the courses of Advanced Calculus, Linear Algebra and Differential Equations (undergraduate level) from Fall 1984 to Spring 1986.

    At Brown Univ.

    Teaching Assistant for the course of Statistics (advanced undergraduate/graduate level) in Fall 1988, Fall 1989 and Hilbert Spaces (graduate level) in Fall 1990.

    At the American College of Thessaloniki

    1993-1999: As assistant professor of mathematics, I have taught Precalculus, Calculus, Statistics and Game Theory.

    At Aristotle Univ.

    1987-1988: In the framework of the EC Erasmus Project, I taught a course on Optimal Control Theory

    1997-1998: I participated in the teaching of the course Intelligent Robot Systems.

    2000-Now: I have taught Calculus, Linear Algebra, Ordinary Differential Equations, Partial Differential Equations and Complex Variables.

     

    COMPUTER EXPERIENCE

    I am interested in both theoretical aspects of computer science and practical applications of computers. In the period 1996-2000 I have planned and supervised a number of initiatives ranging from the scheduling of the use of computer resources to the development of academic software. In the period 2001-2003 I have worked on the use of the Mathematica and Maple computer algebra packages for the teaching of mathematics.

    Software Projects

    The following list includes some of the applications which I have developed.

    1. Installation and organization of the speech processing complex (software and hardware), Division of Applied Mathematics, Brown University, Providence, RI, USA. 1988-1990.
    2. Database development (personnel, materiel), Informatics Section, VI Division Headquarters, Greek Armed Forces. 1992.
    3. Installation of various software packages (MATLAB, ACSL, MEDAL, MUME, MATCALC) on the workstations of the Robotics Lab of the Department of Electrical and Computer Engineering, Aristotle University.
    4. Desktop Publishing of the Journal of Liberal Arts, the ACT academic journal.
    5. Development of WEB pages for Aristotle University.
    6. Development of software packages for time series classification and prediction, using algorithms I have developed in collaboration with professor Vassilios Petridis.
    7. Development of course related WEB and hypertext material (using HTML, MathCad, Mathematica, Maple, LaTeX and Microsoft EXCEL).
    8. The automatic translation to database format of several Modern Greek Dictionaries.
    9. A WEB-based bibliographic database application.
    10. Segmenter, a software package for the segmentation of time series.
    11. GSearch, a software package for graph search. It contains a console application for Windows / Linux and a graphical user interface for Windows.

    Computer Environments and Software

    I have considerable experience with the Unix and Windows environments. The following list includes some of the software packages which I have used extensively in the past. 

    1. Programming Languages: C, Fortran, Visual Basic, Perl.
    2. Numerics: MatLab, Simulink, MathCad.
    3. Statistics: Minitab, SPSS, Statistica.
    4. Symbolic Algebra: MathCad, Mathematica, Maple, Derive, Reduce.
    5. WEB development: HTML, JavaScript, Visual Script.
    6. MS Office: Word, Excel, Access, Visual Basic for Applications.
    7. Databases: Access, dBase.

     

    REFEREEING

    I have refereed papers for the following journals:
    1. Discrete Mathematics,
    2. European Journal of Control,
    3. Fuzzy Sets and Systems,
    4. IEEE Trans. On Neural Networks,
    5. IEEE Trans. On Systems, Man and Cybernetics,
    6. International Journal on Artificial Intelligence Tools,
    7. International Journal of Approximate Reasoning,
    8. Information Sciences,
    9. Journal of Economic Dynamics and Control,
    10. Multidimensional Systems and Signal Processing,
    11. Soft Computing,
    12. Stochastic Environmental Research and Risk Assesment.
    I have also refereed papers for various conferences and also several research grant proposals.

     

    REFERENCES

    1. Prof. Piergiulio Corsini, Department of Mathematics, Udine University, Italy. (corsini@dimi.uniud.it).
    2. Prof. Stuart Geman, Division of Applied Mathematics, Brown University, Providence, RI 02912, USA. (geman@brownvm.brown.edu).
    3. Prof. Basilis Gidas, Division of Applied Mathematics, Brown University, Providence, RI 02912, USA. (gidas@brownvm.brown.edu).
    4. Prof. Vassilios Petridis, Department of Electrical and Computer Engineering, Aristotle University of Thessaloniki, Thessaloniki, GR 54006, GREECE. (petridis@vergina.eng.auth.gr).
    5. Prof. Sanjiv Singh, Robotics Institute, Carnegie Mellon University, Pittsburgh, USA. (ssingh@cmu.edu).
    Last Revised: June 2011

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