1. Introduction 2. Graph theory concepts 3. Basic facts about the positive definite completion problem 4. Examples 5. Main result 6. The implication $(1.0') \Rightarrow (1.1)$ 7. The implication $(1.1) \Rightarrow (1.2)$ 8. The implication $(1.2) \Rightarrow (1.3)$ 9. The implication $(1.3) \Rightarrow (1.0)$
Notes
"July 1996, volume 122, number 584 (fourth of 5 numbers)."