Positive definite

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 operator
• Positive-definite quadratic form

References

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