Rudolf Halin: 1934–2014

Rudolf Virchow

Virchow was one of the 19th century’s foremost leaders in medicine and pathology. He was also a public health activist, social reformer, politician, and anthropologist. Virchow was the only child of a farmer and city treasurer in Schivelbein, Germany. He had a strong interest in natural science. In 1839, he received a scholarship from the Prussian Military Academy, where he was given the opport...

Boxicity of Halin graphs

A k-dimensional box is the Cartesian product R1 × R2 × · · · ×Rk where each Ri is a closed interval on the real line. The boxicity of a graph G, denoted as box(G) is the minimum integer k such that G is the intersection graph of a collection of k-dimensional boxes. Halin graphs are the graphs formed by taking a tree with no degree 2 vertex and then connecting its leaves to form a cycle in such ...

12 Rudolf Ahlswede ,

One of the basic results in extremal set theory was discovered in [1] and rediscovered in [2]: For a given number of k-element subsets of an n-set the shadow, that is, the set of ( k 1)-element subsets contained in at least one of the specified k-element subsets, is minimal, if the k-element subsets are chosen as an initial segment in the squashed order (see [10]; called colex order in [liD, th...

Rudolf Strijkers INTERNET FACTORIES

Guide to the Rudolf Hermann

An account of the Air Force Material Command cold war context.(1945-1991). Command Lineage, Scientific Achievement and Major Tenant Missions. CD and hard copy of pertinent pages. Series 5 Dayton 1945-1950 Location 5.03 Document Title Keeping the Edge, Volume II Date Aug 2003 Author Weitze, Karen Source Hqrs. Air Force Materiel Command, Wright-Patterson AFB Abstract An account of the Air Force M...