 
                                                                                | Article ID: | iaor20052765 | 
| Country: | France | 
| Volume: | 36 | 
| Issue: | 2 | 
| Start Page Number: | 173 | 
| End Page Number: | 173 | 
| Publication Date: | Apr 2002 | 
| Journal: | RAIRO Operations Research | 
| Authors: | Giannessi Franco | 
| Keywords: | matrices | 
A problem (arisen from applications to networks) is posed about the principal minors of the matrix of transition probabilities of a Markov chain.