25

Questions
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Fundamental problems whose solution seems completely out of reach [closed]

jul 3 at 15:54 Mohan 892●3●4

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11
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2
answers
499
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For what metrics are circles solutions of the isoperimetric problem?

jul 5 at 15:57 Robert Bryant 21.8k●3●75●97

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9
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2
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495
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Ellipsoids and lattices: an enclosure problem.

apr 27 at 16:13 alvarezpaiva 4,132●5●21

 
7
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1
answer
421
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Does the length spectrum determine the volume?

mar 14 12 at 19:39 alvarezpaiva 4,132●5●21

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7
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2
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411
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Configuration spaces and non homeomorphic vector bundles

mar 29 12 at 11:01 Paolo Salvatore 316●1●5

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7
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1
answer
401
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Reference request : Ehrhart’s conjecture on the geometry of numbers

mar 8 12 at 22:51 alvarezpaiva 4,132●5●21

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10
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2
answers
309
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A problem on convex geometry

dec 13 at 9:28 Petya 2,965●6●24

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7
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1
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236
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Characterizing maximal powers of closed 2-forms in odd-dimensional manifolds

jan 7 at 13:06 Robert Bryant 21.8k●3●75●97

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5
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1
answer
224
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A spectral inequality for positive-definite matrices

apr 28 at 15:51 S. Sra 10.1k●1●16●44

 
4
votes
1
answer
220
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A question of compactness in the geometry of numbers

mar 25 at 18:22 Sergei Ivanov 22.4k●45●94

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