Invited speaker in the field of FUZZY LOGIC in University of Crete, University of Ioannina, Aristotle

University of Thessaloniki (1999-2007)

Lectures on research and postgraduate level in FUZZY LOGIC (1995-1998)

Lectures in categorical models of linear logic (chu spaces)1998-1999

Conducted seminars on topology functional spaces at the university of Patras (1991-1995)

Conducted seminars in the analysis field of the mathematical section of AUTH (1983-1986)

Invited speaker on Fuzzy Estimators in the congress "International Conference Trends and Challenges

in Applied Mathematics" invited by the Polytechnic University of Bucharest 2007

Attended the working group1&2 meeting of cost-action 15 on many-valued logics for computer

science applications in Vienna where lectured on generalizing topology via Chu spaces 1998

Participated in the scientific committee in the conference on current trends and developments in

fuzzy logic in Thessaloniki 1998

Invited speaker in the steklov mathematical institute of the soviet academy of sciences 1992, 1994-1995

Presented work in topology and its applications in Dubrovnik Yugoslavia 1985

Presented work in the Third national meeting on topology in Triesteitaly 1986

Presented work in sixth and seventh Prague topological symposium on general topology and its

relation to modern analysis and algebra Prague 1986, 1991

Participated in the conference "short conference on uniform mathematics Bern Switzerland"

1991

Participated in the scientific committee and presented work in the "current trends and

developments in fuzzy logic" Thessaloniki 1998

Member of the scientific committee in the congresses of mathematical analysis (1990- 2010)

Member of the round table on "curriculum of mathematics and the needs of higher education" in

which presented also work "a journey from classical to modern logic" Chios 1998

He was invited to lecture at many other Universities