SPN completable graphs

Autor: Mirjam Dür, Abraham Berman, M. Rajesh Kannan, Naomi Shaked-Monderer
Rok vydání: 2016
Předmět:
Zdroj: Linear Algebra and its Applications. 498:58-73
ISSN: 0024-3795
DOI: 10.1016/j.laa.2014.10.021
Popis: An SPN matrix is a matrix which is the sum of a real positive semidefinite matrix and a symmetric nonnegative one. We solve the SPN completion problem: we show that the SPN completable graphs are the graphs in which every odd cycle induces a complete subgraph.
Databáze: OpenAIRE