Ball (mathematics)

• 2-sphere
• 3-sphere
• Alexander horned sphere
• Ball
• Cartesian space
• Chebyshev distance
• Disk (mathematics)
• Euclidean geometry
• Euclidean plane
• Euclidean space
• Formal ball
• Interval (mathematics)
• Lamé curve
• Leonhard Euler
• Manifold
• Metric (mathematics)
• N-sphere
• Neighbourhood (mathematics)
• Norm (mathematics)
• Octahedron
• Taxicab geometry
• Volume of an n-ball
• base (topology)
• boundary points
• bounded set
• cell complex
• central symmetry
• circle
• closure (mathematics)
• combinatorial topology
• convex set
• diffeomorphic
• differentiable manifold
• discrete metric
• disk (mathematics)
• double factorial
• factorial
• gamma function
• homeomorphic
• hypercube
• hypersphere
• line segment
• metric space
• n-sphere
• normed vector space
• one-dimensional space
• open set
• orientation (mathematics)
• p-norm
• particular values of the gamma function
• region (geometry)
• sphere
• spherical cap
• spherical sector
• spherical segment
• spherical shell
• spherical wedge
• superegg
• topological space
• totally bounded
• union (set theory)
• unit ball
• volume