Let P and P' be ciricel packings in the hyperbolic plane such that they are combinatorically equivalent, neighboring circles in P overlap one another at some fixed angle between 0 and π/2 and the ...

You've sat in so many meetings where Microsoft PowerPoint presentations have revealed unexpected truths. The presenter makes you marvel as she shows how the circle marked "profit" overlaps with the ...

A Venn diagram shows the relationship between a group of different things. It allows us to sort data into two circles which overlap in the middle. Venn diagrams are great for helping us organise two ...

Dealing with a problem here that probably has a clever solution which is not coming to me: I have an m x n grid. This grid contains some circles. I would like to find a set of squares that covers the ...