Johnson’s circle theorem demonstrates two of the essential ... (You can think of these spaces as possible alternate universes.) “The Geometrization Theorem,” Friedl avers, “is an object ...

Circle theorems are properties that are true for ... The angle between a tangent and a chord is equal to the angle in the alternate segment.

Mathematicians at Monash University have cracked a centuries-old puzzle dating back to the 17th century, extending Descartes’ Circle Theorem into a bold new territory. Using advanced ...