Graph theory is a branch of mathematics that studies mathematical structures called graphs.

Information theory is a field of study that mathematically analyzes the amount of information and the efficiency of its transmission.

I am majoring in physical chemistry at university.

He is a world-famous physicist.

Theoretically, this experiment should succeed.

He has a deep interest in archaeology.

He understands the importance of learning.

He is majoring in psychology.

Gaku is my best friend.

In order to reduce food waste, we should plan our food consumption.