Republic of Mathematics blog

Archive for September 2010

Finding cliques in protein-protein networks

Posted by: Gary Ernest Davis on: September 15, 2010

Spring semester 2010 I ran a mathematical modeling course on protein-protein interaction networks in cells. Interactions between proteins in cells are critical to the functioning of a cell. The collection of all proteins in a cell forms a network with the proteins as the points, or vertices, of the network, and interactions between proteins indicated […]

Dealing with ratios diagramatically

Posted by: Gary Ernest Davis on: September 14, 2010

In an earlier post, I wrote that my colleague Sigal Gottlieb was annoyed by her own approach at automatically solving the following problem – which she had asked of her elder son – via algebra, rather than thinking through the problem in a more direct way: In a large group of children there are 3 […]