✍ Scribed by E.L. Resler Jr.
No coin nor oath required. For personal study only.
Book Reviews which studies were initiated by Borg, and their extensions snd re6nements to which this reviewer has contributed heavily. Related to these is the coexistence problem, which concerns itself with the question of when can double eigenvalues arise. This problem and recent advances in it is also discussed at length.
The book presupposes relatively little background on the part of the reader ether than some general knowledge of differential equations and function theory. The preeent volume is devoted entirely to the mathematical theory and totally ignores the many applications.
However, the authors promise a companion volume devoted exclusively to applications. Hopefully we shall not have to wait overly long for this additional material. Together these books should provide a valusble source of information for both mathematicians and applied scientists.
📜 SIMILAR VOLUMES
Book Reviews of M.K.S. units. Pedagogically, the reviewers would have deemed it more advantageous throughout this revised text to use the M.K.S. system of units. A glossary of the symbols used would also have aided the average reader. However, these and other short-comings can be easily detected and
The more than 100 attendees at the colloquium represented ten nations. Summarizing, the book provides a resume of the research at Vitry during the period 195&1959 with some worthwhile additions by other conferees. Readers will find the English translation reasonably smooth and lucid, and the biblio