Creating Symmetry The Artful Mathematics Of Wallpaper Patterns -

m c escher wikipedia - maurits cornelis escher dutch pronunciation m ur ts k r ne l s sx r 17 june 1898 27 march 1972 was a dutch graphic artist who made mathematically inspired woodcuts lithographs and mezzotints, sagemath publications citing sagemath - below is a list of publications that cite sagemath and or the sagemath cluster this list is also available in bibtex format the publications listed in each section are sorted in chronological order, dictionary com s list of every word of the year - a list of every word of the year selection released by dictionary com dictionary com s first word of the year was chosen in 2010