MANAGED CARE IN MICHIGAN (lathy Smillie, president, Marketing Resources Unlimited, a healthcare marketing firm based in Ann Arbor, MI, received her managed care communications training when she served as director of sales and marketing for MCARE, the managed care organization owned by the University of Michigan (U-M), Ann Arbor. Of her work in managed care, Smillie points out that it "was one o...

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Discoid cartilage was first described in 1889 by Young, and for long was found affecting only the lateral cartilage. The “ snapping knee “ was described as a clinical sign of this condition by Kroiss in 1910. In 1930 Watson Jones described a ring-shaped medial cartilage in a thirty-four-year-old man with clicking at the inner side of his knee ; there had been no history of injury. The cartilage...

We explore the connected/disconnected dichotomy for the Julia set of polynomial automorphisms of C. We develop several aspects of the question, which was first studied by Bedford-Smillie [BS6, BS7]. We introduce a new sufficient condition for the connectivity of the Julia set, that carries over for certain Hénon-like and birational maps. We study the structure of disconnected Julia sets and the...

I considered the first construction in my book, Outer Billiards on Kites [S2]. The arithmetic graphs served as the main tool for understanding the dynamics of outer billiards on kites. See §2 for definitions. The second construction, which is quite general, is based on patterns of oriented lines in the Euclidean plane. See §3 for definitions. The concrete instance of the multigrid construction ...

Steven Lewis is President, Access Consulting Ltd., Saskatoon, Saskatchewan and Adjunct Professor of Health Policy at Simon Fraser University, Vancouver, British Columbia, Canada. Mark Wahba is an emergency physician and Clinical Assistant Professor at Royal University Hospital, University of Saskatchewan, Saskatoon, Saskatchewan, Canada. Mary Smillie, former Senior Quality Improvement Consultan...