Positive definiteness

In mathematics, positive definiteness is a property of any object to which a bilinear form or a sesquilinear form may be naturally associated, which is positive-definite. See, in particular:


 * Positive-definite bilinear form
 * Positive-definite function
 * Positive-definite function on a group
 * Positive-definite functional
 * Positive-definite kernel
 * Positive-definite matrix
 * Positive-definite quadratic form