Membru in organizatii si societati

• American Mathematical Society, din anul 1980
• IEEE Computer Society, din anul 1997
• International Biographical Centre, Advisory Council, Cambridge, England, din anul 1995
• Research Board of Advisors, American Biographical Institute, din anul 1996
• Association for Computing Machinery, din anul 1998
• Societatea de Stiinte Matematice din Romania, din anul 1978

Citat in urmatoarele volume enciclopedice:

• International Book of Honor, Fourth World Edition (p.223)
• Dictionary of International Biography, Twenty Fourth Edition (p.328)
• Who's Who in the World, 19th Edition

Certificate of Merit, awarded by International Biographical Centre, Cambridge,England (May,1995)