Penn College math professor co-authors paper published in international journal

WILLIAMSPORT, Pa. — William Ma, professor of mathematics at Pennsylvania College of Technology, jointly authored a paper that was published recently in an international journal, Annales Academiae Scientiarum Fennicae Mathematica.The paper, titled “Estimates of the Hyperbolic Metric on the Twice Punctured Plane,” was co-authored with two other mathematics educators, Seong-A Kim, of Dongguk University in Seoul, South Korea, and Jinxi Ma, of Beihang University in Beijing, China.Annales Academiae Scientiarum Fennicae Mathematica is a peer-reviewed scientific journal published by the Finnish Academy of Science and Letters.Ma holds a doctorate and a master’s degree from the University of Cincinnati. He earned bachelor’s and master’s degrees from Northwest University. He has published more than 50 research papers and given more than 20 invited presentations at international and national conferences.To learn more about math courses offered at Penn College, visit the School of Sciences, Humanities & Visual Communications at www.pct.edu/SHVC.For more about Penn College, a national leader in applied technology education and workforce development, visit www.pct.edu, email admissions@pct.edu or call toll-free 800-367-9222.