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Questions
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Invariants of a module, ‘readily’ computable from the presentation matrix

may 11 at 15:13 quid 12.9k●31●51

 
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matrices over local rings, up to equivalence

mar 13 at 17:44 Dmitry Kerner 1,015●3●7

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Artin approximation theorems over non-regular rings/non-Noetherian rings

feb 28 at 20:37 Laurent Moret-Bailly 7,276●19●29

 
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working with local rings: “abstract” vs “geometric” proofs

feb 17 at 19:31 Dmitry Kerner 1,015●3●7

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basics of classification of trilinear forms (when is it non-discrete)

feb 20 at 15:11 Dan Fox 580●3●8

 
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When two determinantal ideals together generate a power of the maximal ideal?

jan 3 at 15:28 Dmitry Kerner 1,015●3●7

 
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which automorphisms of a subring extend to those of a ring

nov 9 at 9:50 Dmitry Kerner 1,015●3●7

 
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which deformation of a matrix lead to flat deformations of determinantal varieties (fitting ideals)?

nov 7 at 14:18 Dmitry Kerner 1,015●3●7

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Parameter space for complete intersections and their discriminant

oct 18 at 8:07 Dmitry Kerner 1,015●3●7

 
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Higher Euler characteristics (possible generalizations)

jul 30 at 9:30 Atsushi Kanazawa 110●1●1●5

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