Mathematics is driven forward by the quest to solve a small number of major problems--the four most famous challenges being Fermat's Last Theorem, the Riemann Hypothesis, Poincari??'s Conjecture, and
In mathematics, “buildings” are geometric structures that represent groups of Lie type over an arbitrary field. This concept is critical to physicists and mathematicians working in discre
New Pull-Out Maps in all City Guides! The award–winning DK Eyewitness Travel Guides continue to lead the field with a fresh, contemporary reworking of their style and content. The 2011 relaunc
