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Questions
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Maximal number of edges and triangular cells for n points in a triangular lattice

aug 28 11 at 11:43 François G. Dorais♦ 22.7k●2●49●114

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Minimum cardinality of a difference set in $R^n$

sep 20 11 at 7:23 Seva 4,993●1●8●27

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Searching for an inhomogeneous diophantine approximation algorithm

jul 16 11 at 3:35 SJR 3,082●1●6●16

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In the classical construction of conic sections, where does the axis of the cone intersect the plane?

mar 23 12 at 12:19 alvarezpaiva 4,132●5●21

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Can distinct open knots correspond to the same closed knot?

may 20 at 19:53 Keenan Pepper 257●5

 
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Minimally 6-connected 3D discrete lines that are convex lattice sets

sep 30 11 at 9:19 Keenan Pepper 257●5