Flat

A set in formed by translating an affine subspace or by the intersection of a set of Hyperplanes.

• Universal Statement
• Universal Turing Machine
• Unknot
• Unknotting Number
• Unless
• Unlesss
• Unmixed
• Unpoke Move
• Unsafe
• Unsolved Problem
• Unstable Improper Node
• Unstable Node
• Unstable Spiral Point
• Unstable Star
• Untouchable Number
• U-Number
• Upper Bound
• Upper Integral
• Upper Limit
• Upper Sum
• Upper-Trimmed Subsequence
• Upward Drawing
• Urchin
• Utility Graph
• Utility Problem