The elementary divisors of a tensor product of linear transformations have been known for 40 years. This paper provides a short, easily accessible proof of these results, and points out an interesting combinatorial consequence of the proof.
BACKGROUND Oral health is an important component of daily functioning and well-being. A comprehensive patient-reported oral health measure is needed to gauge the impact of oral health status on children and adolescents. This study aims to develop oral health item banks and associated short-form surveys for children and adolescents 2-17 year olds. METHODS… (More)
BACKGROUND According to the United States census, there are 28 categories that define "Hispanic/Latinos." This paper compares differences in oral health status between Mexican immigrants and other Latino immigrant groups. METHODS Derived from a community-based sample (N = 240) in Los Angeles, this cross-sectional study uses an interview covering… (More)