Separation

Two distinct point pairs and separate each other if , , , and lie on a Circle (or line) insuch order that either of the arcs (or the line segment ) contains one but not both of and . In addition, thepoint pairs separate each other if every Circle through and intersects (or coincides with) every Circle through and . If the point pairs separate each other, then the symbol is used.

• Killing Vectors
• Kimberling Sequence
• Kimberling Shuffle
• Kings Problem
• King Walk
• Kinney's Set
• Kinoshita-Terasaka Knot
• Kinoshita-Terasaka Mutants
• Kirby Calculus
• Kirby's List
• Kirkman's Schoolgirl Problem
• Kirkman Triple System
• Kissing Circles Problem
• Kissing Number
• Kiss Surface
• Kite
• Klarner-Rado Sequence
• Klarner's Theorem
• Klein-Beltrami Model
• Klein Bottle
• Klein Four-Group
• Klein-Gordon Equation
• Kleinian Group
• Klein Quartic
• Klein's Absolute Invariant