RESUME

RESUME

Contact Information:

Department of Mathematical Sciences
DePaul University
2320 N. Kenmore Ave.
Chicago, IL 60614-3250

Office Telephone: (773) 325-7808
Fax (773) 325-7807
E-mail azayed@depaul.edu

EDUCATION:

Ph.D. Mathematics, University of Wisconsin-Milwaukee, 1979;
M.S. Applied Mathematics, Cairo University; 1974;
B.S. Pure and Applied Mathematics, (Distinction with First Class Honors) Cairo University, 1970.

Academic Experience:

Current Position: Chair and Professor, Department of Mathematical Sciences, DePaul University, Chicago.
1) Chair and Professor, DePaul University, Chicago, Illinois (2001- present)

2) Chair, SampTA Steering Committee, An International Group on Sampling Theory and its Applications, 2013-2017. http://www.american.edu/cas/mathstat/sampta2015/

3) Assistant Chair for Graduate Studies (Graduate Coordinator), University of Central Florida, Orlando, Florida (1999-2001)
4) Visiting Professor, University of Carlos III, Madrid, Spain (2002)
5) Joint appointment Professorship at the School of Electrical and Computer Engineering, University of Central Florida (1997-2001)
6) Professor, University of Central Florida, Orlando, Florida (1990-2001)
7) Visiting Professor, University of Carlos III, Madrid, Spain (Summer 1996)
8) Professor, California Polytechnic State University, San Luis Obispo, California (1989-1992)
9) Associate Professor, California Polytechnic State University, San Luis Obispo, California (1984-1988)
10) Assistant Professor, California Polytechnic State University, San Luis Obispo, California (1980-1984)
11) Visiting Associate Professor, The American University in Cairo (1988-1989)
12) Visiting Assistant Professor, University of Wisconsin- Milwaukee (Winter, 1983)
13) Visiting Assistant Professor, University of California-Berkeley (Summer, 1981).

Editorial Boards:

Managing Editor: Journal of Sampling Theory in Image and Signal Processing (1999- 2005)
Associate Editor: The journal of Sampling Theory in Image and Signal Processing (2005- present))
Associate Editor: Canadian Journal of Applied Mathematics (2019-)
Assistant Editor: The International Journal of Mathematics and Computer Science, (2005-present)
Associate Editor: Journal of Multidimensional Systems and Signal Processing (2002-2012)
Assistant Editor: The International Journal of Mathematics and Mathematical Sciences, (1999-present)
Associate Editor: the International Journal of Fractional Calculus and Applied Analysis, (2000-present)
Associate Editor: Journal of Generalized Functions, (2006-2008)
The Journal of Integral Transforms and Special Functions (2012-present)
Journal of Mathematics and Statistics, Ministry of Education, Jordan (2007-present)
The International Journal of Applied Mathematics (2002-present)
The Journal of Advanced Research-Cairo University, published by Elsevier (2009-14)
The Journal of Analysis (2012-present)
The Journal of Mathematical and Computational Science (2010-present)
The Journal of Signal and Image Processing (Bioinfo Publications) (2012-present)
The Journal of Pure Mathematical Sciences (2012-2014)
The Alexandria Engineering Journal, published by Elsevier (2012-2013)
Chair of SampTA Steering Committee (2013-2015)
Journal of nonlinear Functional Analysis, (2014-present)
Moroccan Journal of Pure and Applied Analysis (2013-present)
Abstract and Applied Analysis (2018- present)
Investigations in Mathematical Sciences (2011-present)

Honors and Memberships:

Faculty Recogniation Award, DePaul University, May 2018.
Inaugural College of Science and Health Award for Excellence in Research, 2012.
Quality Matters Star Award for Excellence in Online Course Design, 2012.
Panelist for the Division of Mathematical Sciences, National Science Foundation, 2008, 2009, 2010.
The Spirit of Inquiry Awards, DePaul University, September 2007
Research Incentive Award, University of Central Florida, 2001.
College of Arts and Sciences Distinguished Researcher Award (2000), University of Central Florida .
Teaching Incentive Program Award (1997), University of Central Florida.
Meritorious Performance and Professional Promise Award (1988), California Polytechnic State University.
Exceptional Merit Service Award (1984), California Polytechnic State University.
Fellowship from the International Center for Theoretical Physics, Trieste, Italy, 1973.
Scholarship from Scuola Normale Superiore, Pisa, Italy, 1971.

Professional Services:

National Committees of the Mathematical Association of America:

1. Committee on Minority Participation in Mathematics, 1998-2009.
2 . The Mathematical Association of America Sub-Committee on Service Courses.
3. Committee on the Teaching of Undergraduate Mathematics (CTUM),1992-1998, 2001-2003.

Conference Organization:

Special Session on “Sparse Data Representations and Applications,” American Mathematical Society, Southeastern Section Meeting, Statesboro, GA, March 12-13, 2011.
National Science Foundation Sponsored Conference on Twenty Years of Wavelets, DePaul University, May 15-17, 2009
Special Session on “Applied Harmonic Analysis, “Central Section Meeting of the American Mathematical Society, DePaul University, October 5-6, 2007.
American Mathematical Society and Society for Industrial and Applied Mathematics (AMS-SIAM) Special Session on “ Frames and Operator Theory in Analysis and Signal Processing,” at the joint meeting of the American Mathematical Society and the Mathematical Association of America, San Antonio, TX, January 11-15, 2006.
Mathematical Association of America Special Session on “Strategies to Encourage Persistence in Mathematics,” at the joint meeting of the American Mathematical Society and the Mathematical Association of America, San Antonio, TX, January 11-15, 2006.
International Conference on Harmonic Analysis and Ergodic Theory, DePaul University, December 2-4, 2005. (Partially supported by a grant from the National Science Foundation)
Special Session on "Learning to Prove: Strategies to improve students’ proof writing skills," the Annual Joint Meeting of the Amer. Math. Soc. and the Math. Assoc. of Amer., Atlanta, Georgia, January 2005.
Special Session on “Special Functions and Orthogonal Polynomials,” American Mathematical Society Sectional Meeting, Northwestern University, October 2004.
SampTA 2001, an International Conference on Sampling Theory and its Applications, Orlando, Florida, May 2001.
Special Session on "Putting the Service Back into Service Courses," the Annual Joint Meeting of the Amer. Math. Soc. and the Math. Assoc. of Amer., New Orleans, January 2001.
Special Session in honor of Professor Gilbert Walter at the International Association for Mathematics and Computers in Simulation (IMACS), Milwaukee, Wisconsin, May 2000.
Member of the Organizing Committee of the International Conferences on Sampling Theory and its Applications, SampTA,
Special Session on “Sampling, Interpolation and their Applications," SampTA 99, Loen, Norway.
Member of the local organizing committee of the NSF-CBMS regional conference on "Wavelet Analysis as a Tool for Computational and Harmonic Analysis," University of Central Florida, May 1998.
Special Session on "Analysis with Wavelets," Amer. Math. Soc., Milwaukee, Wisconsin, October 1997.
Member of the Technical Organizing Committee of the International Conference on Sampling Theory and Applications, Aveiro, Portugal, June 1997.
Special Session on "New trends in sampling theory" at the International Conference on Sampling Theory and applications, Aveiro, Portugal, June 1997.
Special Session on "Assessment for Better Learning: Assessing Teaching and Learning in a Climate of Change," the Annual Joint Meeting of the Amer. Math. Soc. and Math. Assoc. of Amer., San Diego, California, January 1997.
Member of the Organizing Committee of "The Mathematics Today and Tomorrow Conference", University of Central Florida, March 1996.
Special Session on "Mathematical Analysis" during The Mathematics Today and Tomorrow Conference, University of Central Florida, March 1996.
Member of the Local Organizing Committee for the joint Annual Meeting of the Amer. Math. Soc. and the Math. Assoc. of Amer., Orlando, Florida, January 1996.
Special Session on "Sampling Theory, Wavelets, and Signal Processing," Southeastern Section meeting of the Amer. Math. Soc., Orlando Florida, March 1995.
Member of the Technical Organizing Committee of the International Conference on Sampling Theory and its Applications, Jormala, Latvia, September 1995.
Organizer of an International Conference on "Mathematical Analysis and Signal Processing" at Cairo University, Egypt, January 1994 (partially funded by a grant from the NSF),
Mini-symposium on "New directions for the Shannon sampling theorem," at the Society for Industrial and Applied Mathematics annual meeting, Minneapolis, July 1988.
Special Session on "Partial differential equations, theory and applications," joint meeting of the Amer. Math. Soc. and the Math. Assoc. of Amer., San Luis Obispo, California, November 1983.

Other Professional Services:

1. Reviewed 8 research grant proposals for CRDF Global Shota Rustaveli National Science Foundation (NSERC), Republic of Georgia, 2017, 2018.
Reviewed grant proposals for the Natural Sciences and Engineering Research Council of Canada (NSERC), 2014.
Reviewer of research grant proposal for National Priority Research Program of Qatar (2014)
Served as a Panelist for the Division of Mathematical Sciences, National Science Foundation, 2008, 2009, 2010.
Reviewed grant proposals for the National Academy of Science, the National Research Council, the National Science Foundation, the Fulbright Program, and other federal and state funding agencies.
Reviewer for the Mathematical Review and Zentralblatt für Mathematik.
Reviewer of advanced textbooks and research monographs for the Mathematical Reviews, Cambridge University Press, Taylor and Francis, CRC Press, Prentice Hall, Houghton Mifflin.
External Reviewer for tenure and promotion to Full and Associate professorship cases, 16 cases in the last four years.
Reviewer of grant proposals submitted to the Center for Special Studies and Programs, the Bibliotheca Alexandria, Alexandria, Egypt.
Reviewer of grant proposals submitted to King Fahd University of Petroleum and Minerals, Dhahran, Saudi Arabia.
Reviewer of research grant proposals submitted to the Qatar National Research Funds (GNRF)
Reviewer of a research grant proposal for the Austrian Research Fund
Referee for a number of Mathematics, Physics, and Engineering Journals, including the Journal of Physics A: Mathematical and General, the IEEE Transactions on Signal Processing, IEEE Transactions on Information Theory, IEEE Transactions on Image Processing, IEEE Signal Processing Letters, IEEE Transactions on Pattern Recognition, IEEE Transactions on Circuits and Systems, Journal of Signal Processing, Journal of Multidimensional Systems and Signal Processing, Archive for Electronics and Communications (AEÜ), Journal of Mathematical Imaging and Vision, Mathematical and Computer Modeling, Digital Signal Processing, Journal of Signal, Image and Video processing, Math. Problems in Engineering, Proceedings of the American Mathematical society, Contemporary Mathematics of the American Mathematical Society, American Mathematical Monthly, the Journal of Fourier Analysis and Applications, the Journals of Approximation Theory, Constructive Approximations, The Journal of Integral Equations and Applications, Applicable Analysis, Mathematical Analysis of the Society for Industrial and Applied Mathematics, SIAM Journal for Scientific Computing, Proceedings of the Royal Society of Edinburgh, Royal Irish Academy, the Journal of Complex Variable: Theory and Applications, the Australian Journal of Mathematics, the Journal of Mathematical Analysis and Applications, Rocky Mountain Journal of Mathematics, the International Journal of Mathematics and Mathematical Science, Journal of Computational and Applied Mathematics, Numerical Methods for Partial Differential Equations, Mathematische Nachrichten, Applied Mathematics Letters, Fractional Calculus and Applied Analysis, Tamkang journal of Mathematics, Journal of Integer Sequences, Mathematical Inequalities and Applications, International Journal of Computer Mathematics, The Journal of the Egyptian Mathematical Society, Kuwait Journal of Science and Engineering, the Arabian Journal For Science and Engineering (Saudi Arabia), Collectanea Mathematica, Acta Mathematica Sinica,Boletim da Sociedade Paranaense de Matematica; Journal Mathematics of Computation; Mathematics and Computer Science and several conference proceedings, Journal of Applied Mathematics and Stochastic Analysis, Journal of Advanced Research-Cairo University, The Arabian Journal for Science and Engineering, Journal of Mathematical Problems in Engineering, Journal of Numerical Functional Analysis and Optimization, Journal of Applied and Computational Harmonic Analysis, American Institute of Physics, Ramanujan Journal, Acta Applicanda Mathematicae, Italian Journal of Mathematics, Advances in Mathematical Physics, Arab Journal of Mathematical Sciences (Saudi Arabia), Kragujevac Journal of Mathematics (Serbia), Journal of Applied Functional Analysis, Journal of Boundary-Value Problems, Journal of Inequalities and Applications, Journal of classical analysis, Arabian Journal of Mathematics, Vietnam Journal of Mathematics, Optik-International Journal for Light and Electron Optics, Journal of Linear Algebra and Applications, Malaysian Journal of Mathematical Sciences, Journal of Fractals, Jaen Journal on Approximation, Journal of Advances in Computational Mathematics, Calcolo.

Invited Talks:

“ Sampling on a disc for a class of linear canonical transforms,” International Conference on Mathematical Methods in Physics, Marrakech, Morocco, April 1-5, 2019.
“ The fractional Fourier transform and its applications in optics,” Colloquium talk, Physics Department, DePaul University, February 27, 2019
“ Convolution theorem for fractional integral transforms,” Strobl 18, International Conference of Harmonic Analysis and Applications, Strobl, Austria, June 4-8, 2018.
“ On the Existence and uniqueness of Fractional Fourier Series,” Symposium on Mathematics and its Applications, University of Texas, Rio Grande Valley, April 7, 2018.
“ On Fractional Integral Transforms and Their Extensions to Higher Dimensions,” Mathematical Analysis One Day Seminar, Suez Canal University, Ismaylia, Egypt, December 17, 2017.
“ Shift-invariant and sampling spaces associated with the special affine Fourier transform,” American Mathematical Society Southeastern Sectional Meeting, Orlando, FL, September 23-24, 2017.
Mini-Course on “Fractional Integral Transforms and Their Applications,” Tallinn University, Tallinn, Estonia, July 2, 2017.
“A New Two-Dimensional Fractional Fourier Transform and the Wigner Distribution,” Special Session on Harmonic Analysis and Inverse Problem, the Mathematical Congress of the Americas, Montreal Canada, July 24-28, 2017.
“An Energy Concentration Problem Associated with the Special Affine Fourier Transformation,“ Zentrum Mathematik, Lehrstuhl M15, Technische Universität München, June 29, 2017.
“On Fractional Transforms and Time-Frequency Representations,” Ecole Polytechnique Federale de Lausanne, Lausanne, Switzerland, June 2, 2017.
“On Fractional Fourier Transforms and their Properties,” Plenary Speaker at an International Conference on Approximation Theory, Savannah, GA, May 8-11, 2017.
“A note on fractional Fourier series,” Suez Canal University, Ismailia, Egypt, December 12, 2016.
“Convolution and Product theorem for the special affine Fourier transform”, XII International Conference on Approximation and Optimization in the Caribbean, Havana, Cuba, June 5-10, 2016.
On Fractional Transforms and Sampling, American Mathematical Society Meeting, Halifax, Canada, October 17-19, 2014.
On the relationship between the Mittag-Leffler transform and the fractional Fourier transform,” the 5th International Conference on Computational Harmonic Analysis, Vanderbilt University, Nashville, TN, May 19-23, 2014.
Chromatic Expansions in Function Spaces, International Conference on Computational Analysis of Inverse Problems and Partial Differential Equations, University of Central Florida, Orlando, FL, May 9-11, 2013.
Sampling with the Prolate Spheroidal Wave Functions: A New Perspective, Minisymposium on New Trends and Directions in Inverse Problems and Signal Processing, joint meeting of the American Mathematical Society and the Mathematical Association of America, San Diego, CA, January 9-12, 2013.
Chromatic derivatives and their applications, A Conference on Special functions, Partial Differential Equations and Harmonic Analysis, a Conference in Honor of Calixto Calderon, Roosevelt University, November 16-18, 2012.
Sampling and the uncertainty principle in the fractional Fourier transform domain, invited talk at the special session on New Trends in Signal Processing, The 50th Allerton Conference on Communication, Control, and Computing, University of Illinois, Urbana-Champaign, October 1-5, 2012.
Sampling and the energy concentration problem: A new perspective, New trends in Harmonic Analysis, Fractional Operator Theory, and Image Analysis, Inzell, Germany, September 18, 2012.
Shift-invariant s[aces in the fractional Fourier transform domain, Invited talk at “New trends in Harmonic Analysis, Fractional Operator Theory, and Image Analysis, Inzell, Germany, September 21, 2012
Sampling and the uncertainty principle in the fractional Fourier transform domain, Special session on New Trends in Signal Processing, The 50th Allerton Conference on Communication, Control, and Computing, University of Illinois, Urbana-Champaign, October 1-5, 2012
The 8th Congress of the International Society for Analysis, its Applications, and Computation (ISAAC) 2011 Congress, Moscow, Russia, August 22-26, 2011.
Banff International Research Station (BIRS), workshop on Sampling and Construction, Banff, Canada, November 28-December 3, 2010.
New Characterization and Reconstruction Formula for Bandlimited Functions in Higher Dimensions, The 10h International Conference on Computational an Mathematical Methods in Science and Engineering, CMMSE 2010, June 27-30, 2010, Almeria, Spain.
Shift-invariant spaces in the fractional Fourier transform domain, Invited Speaker, Illinois/Missouri Applied Harmonic Analysis Seminar, Northern Illinois University, DeKalb, April 24, 2010.
Special Session, Southeastern Section meeting of the Amer. Math. Soc. , Boca Raton, FL October 30-November 1, 2009, “Generalizations of Chromatic Derivatives and Series,”
Plenary Speaker, the Fifth Congress of Scientific Research Outlook in the Arab World, October 28-30, 2008, Fez, Morocco, “Bandlimited Vectors in a Hilbert Space.”-
Plenary Speaker, International Conference on Applied Mathematics and Approximation Theory, University of Memphis, October 11-13, 2008, “Generalizations of Chromatic Derivatives and Series.”
American Mathematical Society Meeting, Baton Rouge, LA, March 28-30, 2008, “Applications of the Wavelet and Ridglet Transforms in Tomography and Medical Imaging.”
The Second Annual Conference of the Redesign Alliance, Orlando, FL March 16-18, 2008, “Redesign of Pre-Calculus Sequences.”
Invited talk, Special Session on Wavelets and Sampling, meeting of the Society for Industrial and Applied Mathematics, Orlando Florida, March 14-15, 2008, “A Generalization of the Paley-Wiener Space”
“Sampling for a Class of Analytic Functions and Their Asymptotic Expansions,” The Annual Meeting of the American Mathematical Society, San Diego, CA, January 6-9, 2008.
“Sampling: An Overview and Generalizations,” Colloquium Talk, University of Waterloo, Canada, November 2, (2007).
“Recent Results on the Relationship Between Sampling Theorems and Boundary-value Problems,” The 40th National Congress of the Mexican Mathematical Society, Monterrey, Mexico, October 15, 2007.
“Paley-Wiener-Type Theorem in a Hilbert Space,” Central Section Meeting of the American Mathematical Society, DePaul University, Chicago, October 5-6, 2007.
Sampling: An Overview and Generalizations, University of Buenos Aires, Argentine, September 24, 2007.
“On the Notion of Bandlimitedness and its Generalizations,” The Annual Meeting of the Argentinean Mathematical Society, Cordoba, Argentine, September 19-22, 2007.
“A comparison between the Sinc-Galerkin, Adomian decomposition, and wavelets methods in solving some non-linear problems,” Conference on Optimal Algorithms and Computational Complexity for Numerical Problems, a conference in honor of Frank Stenger, University of Utah, Salt Lake City, May 7-8, 2007.
Special session on “Frames and Wavelets in Harmonic Analysis, Geometry and Applications,” Joint Mathematics Meeting of the American Mathematical Society and the Mathematical Association of America, New Orleans, January, 2007.
Special Session on “Mathematical Challenges in Physical and Engineering Sciences,” American Mathematical Society meeting, Durham, New Hampshire, April 22-23, 2006.
A Generalization of the Prolate Spheroidal Wave Functions in Reproducing-Kernel Hilbert Spaces,” The 5th meeting of the International Society for Analysis, its Applications and Computation (ISAAC), Catania, Italy, July 25-30, 2005.
Workshop on Sampling, Spectral Theory, and Their Applications, University of West Georgia, April 8-9, 2005, three plenary talks.
International Conference on Industrial and Applied Mathematics, New Delhi, India, December 2004 (Plenary Talk)
Special Session on Special Functions and Orthogonal Polynomials, American Mathematical Society Sectional Meeting, Northwestern University, October 2004.
Special Session on Spectral Problems of Differential Operators, American Mathematical Society Sectional Meeting, Northwestern University, October 2004.
International Conference on Computational Harmonic Analysis, Vanderbilt University, May 2004.
Special Session on Classical and Nonlinear Special Functions, American Mathematical Society Meeting, Phoenix, Arizona, January 2004.
Special session on Advances in Sinc Methods, the 5th International Congress on Industrial and Applied Mathematics, Sydney, Australia, July, 2003.
Special session on Inverse Problems and Sampling theory in Signal Analysis, Annual Joint Meeting of the American Mathematical Society, Baltimore, Maryland, January, 2003.
Special session on Computational Methods in Analysis, Southeastern Sectional Meeting of the. American Mathematical Society, Orlando, Florida, November 2002.
International Conference on Abstract and Applied Analysis, Hanoi, Vietnam, August 2002.
International Conference on “Prospects of Generalized Functions,” at the Research Institute for Mathematical Sciences, Kyoto University, Japan, November 2001.
Special session on "Interaction of Inverse Problems and Image Analysis," at the American Mathematical Society meeting in New Orleans, January 2001.
Special session on "Laplace Transforms, Asymptotic Methods, and Generalized Functions at the American Mathematical Society meeting in New Orleans, January 2001
Special session on "Wavelets, Frames, and Time-Frequency Representation ," at the American Mathematical Society meeting in Birmingham, Alabama, November 2000.
Special session on "Pseudo-differential Operators, Wavelet Transforms and Related Topics," at the American Mathematical Society meeting in Toronto, Canada, September, 2000.
International Association for Mathematics and Computers in Simulation (IMACS), Milwaukee, Wisconsin, May 2000.
Special session on “Recent Advances in Harmonic and Complex Analysis” at the annual meeting of the American Mathematical Society, Washington D.C., January 2000.
Plenary speaker invited by the Mathematical Institute of the Bulgarian Academy of Science at the Third International Conference on Transform Methods and Special Functions, Blagoevgrad, Bulgaria, August 1999.
International Conference on Sampling Theory and its applications, SampTa 99, Loen, Norway, August 1999.
The Laredo Summer School on Mathematical Methods in Signal Theory, Laredo, Spain, organized by the University of Cantambria, September 1998.
NSF-CBMS regional conference on Wavelet Analysis as a Tool for Computational and Harmonic Analysis, University of Central Florida, May 1998.
Special session on "Inverse Problems and Signal Analysis," at the 104th Annual Meeting of the Amer. Math. Soc., Baltimore, Maryland, January 1998.
Special session on "Analysis with Wavelets," at the Amer. Math. Soc., Meeting, Milwaukee, Wisconsin, October 1997.
International Conference on Sampling Theory and applications, Aveiro, Portugal, June 1997.
Special Session on "Mathematical Analysis" during the Mathematics Today and Tomorrow Conference, Orlando, Florida, March 1997.
Special session on "Wavelets, Multiwavelets and Their Applications" at the 103rd annual meeting of the Amer. Math. Soc., San Diego, California, January 1997.
Special session on "Wavelets and Approximations," Center for Mathematics Research, University of Montreal, Canada, February 1996.
Keynote Speaker at an International Conference on Sampling Theory and its Applications, Jurmala, Latvia, September 1995.
Special sessions on "New Trends in Generalized Functions," and "Sampling Theory, Wavelets, and Signal Processing," at the Amer. Math. Soc. meeting, Orlando, Florida, March, 1995.
The Fourth International Colloquium on Differential Equations, Plovdiv, Bulgaria, August 1993.
Special session, Amer. Math. Soc. meeting, Washington D.C., April, 1993.
Special session, the 98th annual meeting of the Amer. Math. Soc., Baltimore, Maryland, 1992.
International Symposium on Generalized Functions," Banaras Hindu University, India, 1991.
International Conference on the "Theory and Applications of Generalized Functions", Novi-Sad, Yugoslavia, 1991.
The 13th World Congress on Computation and Applied Mathematics, Dublin, Ireland, 1991.
Special session at the International Conference on Industrial and Applied Mathematics (ICIAM 91), Washington, D.C., 1991.
Special session, the 96th annual meeting of the Amer. Math. Soc., Louisville, Kentucky, 1990.
NATO Advanced Study Institute on "Orthogonal Polynomials and their Applications", Ohio State University, May 1989.
Special session, the annual meeting of the Society for Industrial and Applied Mathematics, Minneapolis, 1988.
International Conference on Theory and Applications of Differential Equations, Ohio University, Columbus, Ohio, March 1988.
International Conference on "Generalized Functions and Sequence Spaces," Dubrovnik, Yugoslavia, June 1987.
International Conference on "Applied Mathematics", Cairo, Egypt, January 1987.
International conference on "Differential Equations," Pan American University, Edinburgh, Texas, May 1985.
The Mathematics Institute of the Polish Academy of Science, Katowice, August 1984.
The Mathematics Institute and the Faculty of Science at the University of Gent, Belgium, 1984.
The 90th annual meeting of the Amer. Math. Soc., Louisville, Kentucky, 1984.
Conference on "Generalized Functions and Sequence Spaces," University of California, Santa Barbara, December 1983.
Special session at the 807th joint meeting of the Amer. Math. Soc. and the Math. Assoc. of Amer., San Luis Obispo, California, November 1983.
Special session, the 89th annual meeting of the Amer. Math. Soc., Denver, Colorado, 1983.
Special session at the summer meeting of the Canadian Mathematical Society, Ottawa, May 1982.

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