introduction: nowadays,  considerable developments  in  the field  of  radiotherapy have  been  achieved.  they  include  the  advances  made  in  the  equipments  and  treatment  planning  techniques  which  require  highly complex calculations. such achievements have made it possible to treat cancer patients not only  with  higher  radiation  dose  but  also  with  higher  precision  and  con...

The objectives of this paper are three-fold. First, we would like to call attention to a very attractive problem, the question of whether or not the poset of integer partitions ordered by re&nement has the Sperner property. We provide all necessary de&nitions, and enough bibliography to interest a newcomer in the problem. Second, we prove four new theorems, two by exhaustive computation and two...

In a recent essay on what he identifies as “customary deviations” from the dictates of the Internal Revenue Code, Professor Larry Zelenak asserts that the Internal Revenue Service has regularly created administrative deviations from the Code that produce taxpayer-favorable results that cannot be challenged in the courts because taxpayers lack standing to bring such challenges. He worries that “...

The notes and scripts included here are copyrighted by their author, Larry P. Ammann, and are intended for the use of students currently registered for Stat 3355. They may not be copied or used for any other purpose without permission of the author.

Stuart Rachels and Larry Temkin have put forward a number of alleged counterexamples to the transitivity of the relation " all things considered better than ". 1 Several of these cases share a common structure. 2 A representative example by Rachels is as follows: Each outcome in [this] counterexample involves a single person's experience: A: 1 year of excruciating agony. B: 100 years of pain sl...

Ely Lecture prepared for the January 2009 meetings of the American Economic Association. Some of this findings reported here are taken from an ongoing collaboration with Giovanni Peri and Steven Raphael: I am extremely grateful for their input. I also thank Larry Katz for detailed comments, and Christian Dustmann for helpful discussions. The views expressed herein are those of the author(s) and...

Male Feminists find themselves in the weird position of opposing entrenched patriarchal gender hierarchies while effectively reinforcing them. The question arises, am I a man or a Feminist? This question is seated in a seemingly oppositional relationship between the culturally masculine, the culturally male, and the positive theory of Feminist thought. In this paper, I attempt to provide a way ...

Black middle school students in the United States continue to perform poorly on standardized reading achievement tests in comparison to other racial and ethnic groups. The purpose of this research study was to examine the effectiveness of a vocabulary-focused test preparation program for Black middle school students. The theoretical framework consisted of Thorndike’s concept of test-wiseness, a...

Charles L. Evans is a vice president and senior economist and Chin Te Liu is an associate economist at the Federal Reserve Bank of Chicago. Genevieve Pham-Kanter, formerly an associate economist at the Federal Reserve Bank of Chicago, is a graduate student at the University of Chicago. Throughout this project, the authors have benefited from the helpful comments of Larry Christiano, David Marsh...

• I am especially indebted to Robert Marquez for many insightful discussions. I am also grateful to Larry Ausubel, and Steven Ongena for their comments and suggestions. Any remaining errors are my own. Abstract We set up a model to analyze the banks' risk-taking and funding decisions (between insured and uninsured funds), in a regulatory framework that includes both unfairly priced deposit insu...