はてなブックマーク

This website is dedicated to the visualization of Seifert surfaces. The first question is obvious. What is a Seifert Surface? That was my first response when my colleague Arjeh Cohen asked me in May 2004 if I could make pictures of these. Since then, things got out of hand. Inspired and guided by Arjeh, I became totally intrigued by these strange and difficult surfaces and found it a challenge how