Gengyu Zhang

I just stumbled upon a very well-written article in ScienceNews web magazine, which gives a nice and simple explanation of Knot Theory and makes an overview of its history.

Check it out here:
http://www.sciencenews.org/view/generic/id/38237/title/Math_Trek__Unknotting_knot_theory

Now that is a beautiful knot:

I might put it as a logo of my website.

I added an old video of myself, taken at one mathematics workshop where I was explaining what a concordance crosscap number is. Enjoy!