It is by no means clear what comprises the "heart" or "core" of algebra,
the part of algebra which every algebraist should know. Hence we feel
that a book on "our heart" might be useful. We have tried to catch this
heart in a collection of about 150 short sections, written by leading
algebraists in these areas. These sections are organized in 9 chapters
A, B, . . ., I. Of course, the selection is partly based on personal
preferences, and we ask you for your understanding if some selections do
not meet your taste (for unknown reasons, we only had problems in the
chapter "Groups" to get enough articles in time). We hope that this book
sets up a standard of what all algebraists are supposed to know in
"their" chapters; interested people from other areas should be able to
get a quick idea about the area. So the target group consists of anyone
interested in algebra, from graduate students to established
researchers, including those who want to obtain a quick overview or a
better understanding of our selected topics. The prerequisites are
something like the contents of standard textbooks on higher algebra.
This book should also enable the reader to read the "big" Handbook
(Hazewinkel 1999-) and other handbooks. In case of multiple authors, the
authors are listed alphabetically; so their order has nothing to do with
the amounts of their contributions.