T he Spanish painter Pablo Picasso (1881-1973) was the most important artist of the 20th century. It is impossible to consider the development of modern art without him. A unique, highly productive artist who created more than 20000 works in more than 75 years of activity, Picasso was the most frequently exhibited and critiqued artist of the last century. Best known as a painter, he also worked...

We present CoolPaint, a system for computer painting that uses a props-based direct interaction technique. By instrumenting real paint brushes and developing corresponding digital models of the brushes, we allow the user to control digital tools by directly manipulating their physical counterparts. In addition, we use a tabletop display which allows the display space and interaction space to be...

We introduce and study balanced online graph avoidance games on the random graph process. The game is played by a player we call Painter. Edges of the complete graph with n vertices are revealed two at a time in a random order. In each move, Painter immediately and irrevocably decides on a balanced coloring of the new edge pair: either the first edge is colored red and the second one blue or vi...