My name is Peter Saveliev. I am a mathematician working in image and data analysis. The site I run is called Computer Vision and Math (http://inperc.com). It contains over 800 articles with 2100 illustrations. Feel free to contact me: last name @inperc.com.
My relations with HN are complicated and are described here: http://inperc.com/wiki/index.php?title=Hacker_News.