Functional Analysis Lecture

Creak-.

I opened the classroom door and walked in.

[Functional Analysis: Professor Yoo A-yeon]

Thirteen students were seated in the classroom.

Unlike classes that undergraduates were required to take.

Graduate classes that weren't required courses tended to be this small.

The more specialized and obscure the subject, the more common it was for only five students to take it.

The atmosphere was markedly different from that of the bewildered freshmen in Monday's Calculus lecture.

Everyone wore the seasoned expressions of people who had been through all sorts of hardship.

After all, the graduate-student unnis and oppas who had made it this far were elite scholars who had already climbed a long way up mathematics' treacherous mountain path...