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Questions
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Categories whose objects are CW-complexes

dec 16 11 at 18:21 Ronnie Brown 5,207●17●20

 
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Rig of fractions, including zero denominators

jan 13 11 at 22:16 Pace Nielsen 1,970●7●18

 
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Are sieves in locally small categories still sets?

sep 7 10 at 20:38 Aleks Kissinger 951●3●11

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Algebras with a degenerate trace form

may 2 11 at 9:44 Aleks Kissinger 951●3●11

 
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Is it possible to define a graph that has two vertices that are infinitely far apart?

apr 30 10 at 0:37 Roy Maclean 630●4●19

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What is the comultiplication of a matrix frobenius algebra?

oct 31 09 at 23:38 Theo Johnson-Freyd 22.2k●2●27●110

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