Posts Tagged ‘Algebra’

Why Hopf Algebras

Posted by: yanzhang on March 15, 2011

On finding the ring of invariants

Posted by: yanzhang on May 27, 2010

A Taxidermic Snake Lemma

Posted by: Alex Ellis on April 19, 2010

Wood, glue, and the Octahedral Axiom

Posted by: Alex Ellis on December 22, 2008

A Silly Prime Avoidance Lemma

Posted by: Alex Ellis on November 15, 2008

Shoulda Series 2: Resolving Ext

Posted by: Alex Ellis on September 29, 2008