 Ε-quadratic form

The term "E-quadratic form" appears to refer to a type of quadratic form characterized by a specific kind of structure or properties, particularly in the context of mathematics. While there isn't a universally recognized definition for "E-quadratic form" specifically, the term might relate to concepts in algebra, geometry, or particularly in number theory. In general, a **quadratic form** is a homogeneous polynomial of degree two in a number of variables.