An influential paper by Caughey and Sekhon (2011a) suggests that the outcomes of very close US House elections in the postwar eramay not be as-if random, thus calling into question this application of regression discontinuity for causal inference. We show that while incumbent party candidates are more likely to win close House elections, those who win are no di erent on observable characteristi...

We describe a new technique to automatically segment and track the cell images of a breast cancer cell line in order to study cell migration and metastasis. Within each image observable cell characteristics vary widely, ranging from very bright completely bounded cells to barely visible cells with little to no apparent boundaries. A set of different segmentation algorithms are used in series to...

In the summer of 2009, the U.S. economy began to emerge from its deepest recession since the 1930s. But today, more than two years later, conditions still aren’t much different from an economy actually in recession. Gross domestic product (GDP) growth was barely positive in the first half of 2011. The unemployment rate is 9.1 percent, much higher than anything we had experienced for decades bef...

We study the size of largest component two models random graphs with prescribed degree sequence, configuration model (CM) and uniform (UM), in (barely) subcritical regime. For CM, we give upper bounds that are asymptotically tight for certain sequences. These hold under mild conditions on sequence improve previous results Hatami Molloy barely UM, weaker up to logarithmic terms but require no as...

by: a. abarghani, m.sc of research center of agriculture and natural resources, ardabil-iran m. bojarpour, assistant professor, department of animal science, faculty of agriculture, ramin university, ahvaz- iran j. fayazi, assistant professor, department of animal science, faculty of agriculture, ramin university, ahvaz- iran. in order to investigate the effect of barely (ba) replacement with s...

Bridges, as an essential part of transportation system, play a special role in economy, politic and military all around the world. Serviceability of bridges is of high importance especially in emergencies, helping injured people and proportioning transportation after earthquakes. Earthquake regulation codes, normally suggest linear methods to conduct the analysis, and nonlinear analysis is bare...