We consider non-conservative positive semigroups and obtain necessary sufficient conditions for uniform exponential contraction in weighted total variation norm. This ensures the existence of Perron eigenelements provides quantitative estimates spectral gap, complementing Krein–Rutman theorems generalizing probabilistic approaches. The proof is based on a non-homogenous h $h$ -transform semigro...

I am grateful to Richard Arnott, John Harris and two anonymous referees for a number of suggestions on an earlier draft of this paper.

We give new results on the growth of the number of particles in a dyadic branching Brownian motion which follow within a fixed distance of a path f : [0,∞) → R. We show that it is possible to count the number of particles without rescaling the paths. Our results reveal that the number of particles along certain paths can oscillate dramatically. The methods used are entirely probabilistic, takin...

845. Utilizing an Equitable and Multifaceted Zika Screening Tool to Identify At-Risk Individuals For Testing and Education: Successes, Challenges, and Lessons Learned in Harris County, Texas. Aisha Haynie, MD, MPA; Diana Martinez, MPH, PhD; Sherry Jin, MD, MPH; Tamisha Piper, MPAS, PA-C; Brian Reed, MD and Umair A. Shah, MD, MPH; Disease Control & Clinical Prevention, Harris County Public Healt...

Name Ronda R. Henning Margaret Knepper Kevin L. Fox Address Harris Corporation Government Communications Systems Division P.O. Box 37 Mail Stop W2/9703 Palm Bay, FL 32905 Harris Corporation Government Communications Systems Division P.O. Box 37 Mail Stop 2/9450 Palm Bay, FL 32905 Harris Corporation Government Communications Systems Division P.O. Box 37 Mail Stop 2/9450 Palm Bay, FL 32905 Phone ...