This book presents a unified approach to Korovkin-typeapproximation theorems. It includes classical material onthe approximation of real-valuedfunctions as well as recentand new results on set-valued functions and stochasticprocesses, and on weighted approximation. The results arenotonly of qualitative nature, but include quantitativebounds on the order of approximation.The book is addressed to researchers in functional analysisand approximation theory as well as to those that want toapplythese methods in other fields. It is largely self-contained, but the readershould have a solid background...

A family memorial as told through an aggregation of experiences, interviews and memories of Walter Roth, supplemented with letters from his family trapped in Germany during the Nazi era. Walter explores his family history in the village of Roth, Germany and the problems of Hesse. He looks at growing up in Chicago as a Jewish immigrant with relatives in Germany and the effect that had on his family living in Hyde Park, Chicago. He discusses his continued involvement with his village, Roth, and his trips to there with his wife, children and grandchildren through which he has come to terms with...

Everyday Heroic Lives is a new collection of the works of longtime Chicago Jewish History Society president Walter Roth. Everyday Heroic Lives tells fascinating tales of Chicago Jewish heroes. This volume contains some portraits of Jews who played significant roles in Chicago's historic meatpacking industry, from the points of view of both labor and capital, as well as portraits of lawyers, scholars, and participants in significant constitutional law cases. The book also contains some of the author's book and theater reviews first published in the Chicago Jewish History quarterly. There are...