Hepatic osteodystrophy: Outlook good but some problems unsolved

Some unsolved problems in paediatric neurosurgery.

A. N. GUTHKELCH (Hull) referred to the considerable advances in the treatment of children born with congenital deformities of the CNS and its coverings during the past decade, but felt that a different pattern of development might be appropriate in the 1970s. The loss, at least in Great Britain, of spina bifida and hydrocephalus cases to other hands was an anomaly which should be corrected by e...

On some Smarandache conjectures and unsolved problems

In this paper some Smarandache conjectures and open questions will be analysed. The first three conjectures are related to prime numbers and formulated by F. Smarandache in [1].

Some Unsolved Problems Concerning Bovine Tuberculosis

Some Unsolved Practical Problems in Discriminant Analysis

Some Unsolved Problems in Map Enumeration

For many years, people have considered various problems in the enumeration of graphs, beginning with the enumeration of trees. Extensive work on the enumeration of maps did not begin until Tutte's work in the 1960's; however, one map enumeration problem| the determination of the number of combinatorially inequivalent 3-dimensional convex polytopes|is over a century old. Traditionally an map has...