We prove that a proper holomorphic map on the unit disk in the complex plane is uniquely determined up to post-composition with a Möbius transformation by its critical points. Bull. London Math. Soc. 30 (1998) 62–66 Stony Brook IMS Preprint #1996/7 June 1996 This note will give a brief proof of the following known theorem: Theorem 1. Let c1, · · · , cd be given (not necessarily distinct) points...

This report identifies strategies used by public health inspectors in the Central West Region of Ontario during restaurant inspections, based on and comparing the perceptions of inspectors, their managers, and restaurant operators. Factors influencing the choice of strategies are reviewed, putting into perspective the importance of manager and policy expectations relative to other influences ex...

Measures of the effectiveness and efficiency of meat and poultry recalls are proposed including the proportion of recall product retrieved (recovery rate), time to complete a case, and the ratio of these variables and the statistical evidence is examined. Regression models suggest no significant improvement in the recall process over time or following the PR/HACCP implementation. The key result...