unit disk
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set of points at distance less than one from a given point
Connections
Euclidean distance
Entity
taxicab geometry
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Chebyshev distance
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unit sphere
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mathematics
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Pi
Concept
circle
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complex number
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parallelogram
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hexagon
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perimeter
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absolute value
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disk
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metric space
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unit circle
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topological space
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bijection
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homeomorphism
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complex plane
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geodesic curve
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