Interior points of the completely positive cone.

Mirjam Dür, Georg J. Still

Research output: Contribution to journalArticleAcademicpeer-review

34 Citations (Scopus)
161 Downloads (Pure)


A matrix A is called completely positive if it can be decomposed as A = BB^T with an entrywise nonnegative matrix B. The set of all such matrices is a convex cone. We provide a characterization of the interior of this cone as well as of its dual.
Original languageUndefined
Pages (from-to)48-53
Number of pages6
JournalElectronic Journal of Linear Algebra
Publication statusPublished - 2008


  • IR-81550
  • EWI-22284
  • MSC-15A23

Cite this