He is an expert in orthoepy, teaching pronunciation.

I am learning the basic concepts of differential geometry.

Computational geometry is an important field of computer science.

Projective geometry is a branch of mathematics that studies geometric objects such as points, lines, and planes and their relationships.

Riemannian geometry is a field of mathematics that studies geometric objects such as curves and surfaces.

He is an expert in physical anthropology.

He is an expert in physical anthropology, conducting research on human evolution.

Gestalt psychology is an important means to understand human cognitive processes.

He is conducting research on historical kana usage.

He often thinks about problems from a humanitarian perspective.