One of the ways that I self-care is to design mathematical cross stitch patterns. The circumstances we are currently in require that we stay at home and social distance. It is a stressful and uncertain time all around the world. I have an anxiety disorder and depression and staying indoors it is easy to ruminate […]
Paul Erdős was a mathematician known for his many collaborators. This has led to the Erdős number which represents how closely one’s research is connected to a collaborator of Erdős. An Erdős number of 1 would be for someone who published a paper with him. Larger numbers represent more distant connections.