04/04/18
HAYS, Kan. – Dr. Mohammad Riazi-Kermani was ranked No. 1 in the world for the week of March 12 in the Mathematics Stack Exchange, a question and answer problem-solving website that has over 500,000 members studying math at any level and professionals in related fields.

He is currently ranked ninth for the entire year to date, placing him in the top .05 percent of users for 2018.

Riazi-Kermani began solving mathematical problems in the areas of calculus, real analysis and linear algebra for the exchange in December 2017 and has earned 12,378 points for posting nearly 1,000 solutions. Points are earned by submitting correct solutions to problems and receiving votes from other users.

“I started on Mathematics Stack Exchange because of my question regarding the possibility of constructing a fractal with a given fractal dimension,” said Riazi-Kermani. “I received many good comments from mathematicians all over the world. That opened the door to my interest in the site.”

A fractal is a curve or geometric figure containing individual parts that have the same statistical characters as the whole.

In addition to his points and No. 1 ranking, Riazi-Kermani has earned three gold, 10 silver and 35 bronze badges for his Stack Exchange work. His solutions have received many positive votes from other users.

“The community of Mathematics Stack Exchange continuously proposes problems from the undergraduate to post-doctoral level. Solutions start coming in right after a problem is posted,” said Riazi-Kermani.

“I like problem-solving, proposing, publishing, reviewing and editing problems. It’s an honor to stay in the top percent of users with other scholars from around the world,” he said.