Is there a world, completely separate from our physical one, that is occupied by the mathematical entities?

A vector is a mathematical entity with both magnitude and direction.

Multiple representations are ways to symbolize, to describe and to refer to the same mathematical entity.

This type of correlation is related to mathematical entities called fractals.

Many abstract mathematical entities are held to exist simply because they are useful.

One must have ontological commitments to mathematical entities that are assumed to exist.

With experience, there are distinctions depending on what sort of existence one takes mathematical entities to have, and how we know about them.

A category C consists of the following three mathematical entities:

But the law itself is simply a statement of the workings of an invented mathematical entity, money.

This state model is constructed using well-understood mathematical entities such as sets and functions.