Pham Tiep (IMAGE) Rutgers University Caption Rutgers University mathematics professor Pham Tiep uses only a pen and paper to conduct his research, which so far has resulted in five books and more than 200 papers in leading mathematical journals. Credit Pham Tiep/Rutgers University Usage Restrictions None License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.