The first fundamental form completely describes the metric properties of a surface.

The first fundamental form may be represented as a symmetric matrix.

The most important example is the second fundamental form, defined classically as follows.

Sexual reproduction in plants and animals represents a fundamental form of sharing.

What will remain, he said, are the fundamental form of the street and the social interactions that it supports.

It is often referred to as the second fundamental form.

Thus, the case established that a fundamental form cannot be registered as a design.

We assume that M has no points where the second fundamental form is degenerate.

The second fundamental form of a general parametric surface is defined as follows.

He recognized that throughout China's history the timber-frame had been the fundamental form of construction.