58

Questions
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Maximal number of directed edges in suitable simple graphs on $n$ vertices without directed triangles.

apr 18 11 at 1:11 Sergey Norin 2,045●8●11

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Exceptional points for generalized north-eastern knight walks in a quarter plane

feb 25 12 at 5:42 Junkie 1,869●6●10

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Coefficients in the periodic part of continued fractions for real quadratic algebraic numbers

feb 6 at 11:21 quid 13.3k●33●54

 
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Modular congruences related to sums of Catalan numbers

oct 12 10 at 11:47 Wadim Zudilin 8,674●1●24●59

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Efficient computation of a vertex-partition for graphs

mar 1 11 at 5:12 Aaron Meyerowitz 11.6k●1●10●31

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What are the most fundamental classes of mathematical algorithms?

jun 9 10 at 15:58 David Eppstein 9,233●1●21●41

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A free overgroup of the Magnus group

oct 5 10 at 13:54 Mark Sapir 27.7k●2●57●118

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“Natural” generating sets for symmetric groups.

may 10 10 at 20:59 KConrad 17k●3●63●117

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628
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A signature inequality?

jul 14 10 at 2:03 Junkie 1,869●6●10

 
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0
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178
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A polynomial counting some packings in $\mathbb Z/N\mathbb Z$

nov 26 10 at 9:00 Roland Bacher 6,896●10●37

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