noun
mathematical science
An academic field that applies mathematical methods to scientific problems; often used in university department names and research contexts.
彼は数理科学の博士号を取得した。
He earned a doctorate in mathematical science.
数理科学研究科は多くの学生を集めている。
The Graduate School of Mathematical Sciences attracts many students.
Compound of 数理 (mathematical principles) and 科学 (science). The term is a modern academic coinage, likely influenced by English 'mathematical science'.