He is an expert in algebraic geometry and has written many papers in the field.

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

He excels in understanding intuitive geometry.

He got the highest grade in the demonstrative geometry class.

He is immersed in the study of geometrical optics.

Topology is a branch of mathematics that abstracts and generalizes the concept of space.

He likes to take a walk in the park at dusk.

He thoroughly researched the history of that nation.

He is a famous composer.

He is a famous lyricist who has produced many hit songs.