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Questions
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bounding the sum of the entries of the inverse of a 0-1 matrix away from 1?

dec 1 at 10:46 Dima Pasechnik 3,080●4●14

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lines through A_n reflection arrangement and permutations

nov 25 at 15:42 David Speyer 56.3k●3●103●242

 
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a normal form for matrices over Z[x]/(x^2-1) ?

oct 30 at 9:52 Dima Pasechnik 3,080●4●14

 
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sequences of plane measures converging to a singular one: terminology, etc

oct 3 at 13:19 Dirk 1,777●8●23

 
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projective representations of a finite group over reals

sep 8 at 7:55 Geoff Robinson 10.4k●1●22●29

 
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dissections and vertices of non-convex polytopes

jul 27 at 22:06 Igor Pak 8,226●2●17●57

 
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coarser than triangulations “almost partitions” into simplices

jul 26 at 10:01 Igor Pak 8,226●2●17●57

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from affine matroid to measures

may 21 12 at 20:06 Gjergji Zaimi 37.8k●2●75●151

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do you know this determinant (basic commutative algebra)?

apr 26 12 at 13:15 Dima Pasechnik 3,080●4●14

 
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primitive root 2 in (Z/pZ)* for prime p and generating GF(2^{p-1})

mar 29 12 at 17:19 Qiaochu Yuan 38.8k●5●117●306

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