Conditional independences in gaussian vectors and rings of polynomials

  • Authors:
  • František Matúš

  • Affiliations:
  • Institute of Information Theory and Automation, Prague, Czech Republic

  • Venue:
  • WCII'02 Proceedings of the 2002 international conference on Conditionals, Information, and Inference
  • Year:
  • 2002

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Abstract

Inference among the conditional independences in nondegenerate Gaussian vectors is studied by algebraic techniques. A general method to prove implications involving the conditional independences is presented. The method relies on computations of a Groebner basis. Examples of the implications are discussed.