Signature (Quadratic Form)
The signature of the Quadratic Form
is the number
of Positive squared terms in the reduced form. (The signature is sometimes defined as
.)See also p-Signature, Rank (Quadratic Form), Sylvester's Inertia Law,Sylvester's Signature
References
Gradshteyn, I. S. and Ryzhik, I. M. Tables of Integrals, Series, and Products, 5th ed. San Diego, CA: Academic Press, p. 1105, 1979.
- Eisenstein Integer
- Eisenstein-Jacobi Integer
- Eisenstein Prime
- Eisenstein Series
- Eisenstein Unit
- Elastica
- Elation
- Elder's Theorem
- Election
- Electric Motor Curve
- Element
- Elementary Function
- Elementary Matrix
- Elementary Operation
- Elementary Symmetric Function
- Elements
- Elevator Paradox
- Elkies Point
- Ellipse
- Ellipse Caustic Curve
- Ellipse Envelope
- Ellipse Evolute
- Ellipse Involute
- Ellipse Pedal Curve
- Ellipsoid