This book provides a unified account of homological algebra as it exists today. The historical connection with topology, regular local rings, and semi-simple Lie algebras is also described. The first ...
At every point on this line, the y-coordinate is 5. The equation of line A is \(y = 5\) The equation for line C is \(y = -1\). The equation for line D is \(y = -4\). The equation for line E is \(y ...
Algebraic expressions can be expanded - multiplied by one or more terms. They may also be simplified – made shorter and simpler by collecting like terms. Multiply \(-3\) by \(-4\) using the rule ...
makes linear algebra accessible to everybody, not just those with a strong background in mathematics. It takes a more active start, beginning by finding independent columns of small matrices, leading ...
In digital systems we represent these as 1 and 0, respectively ... Introduction to Boolean Algebra throughout the article to provide background for a topic. The entire site is a useful reference ...
Scientists and journalists share a core belief in questioning, observing and verifying to reach the truth. Science News reports on crucial research and discovery across science disciplines. We ...
Eoghan Daltun rewilded his land in West Cork and wants more of Ireland to do the same. By Cara Buckley The Supreme Court’s decision to not temporarily block an E.P.A. rule this week signals ...