Researchr is a web site for finding, collecting, sharing, and reviewing scientific publications, for researchers by researchers.
Sign up for an account to create a profile with publication list, tag and review your related work, and share bibliographies with your co-authors.
Minghua Lin, Gord Sinnamon. A Condition for Convexity of a Product of Positive Definite Quadratic Forms. SIAM J. Matrix Analysis Applications, 32(2):457-462, 2011. [doi]