Five years REACH

Years Sets with Positive Reach - a Survey

The purpose of this paper is to summarize results on various aspects of sets with positive reach, which are up to now not available in such a compact form. After recalling briefly the results before 1959, sets with positive reach and their associated curvature measures are introduced. We develop an integral and current representation of these curvature measures and show how the current represen...

Twenty Five Years Ago

A second individual next went down the shaft of the well with a rope to try and rescue the boy, but was suffocated and ropped into the water. A third then went down, dangled his legs in the water and tried to grasp the two still living bodies between his knees. He suddenly felt suffocated, however, and shouted to be drawn up. This man recovered; he states that he thinks the two were still livin...

Seventy-Five Years Ago

Twenty Five Years Ago

Five years and counting.

Oncology professionals are fully aware that the five-year mark of being disease-free after the diagnosis of cancer is not a magical number. Cancer is now considered a chronic disease and recurrence can happen at any time, which is unexpected and frightening. Yet, for me, and for many other cancer survivors, the five-year mark is one to be celebrated.