9

Questions
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3
10
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11
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Ring with three binary operations

may 6 at 6:05 James Borger 5,903●1●16●44

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6
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2
answers
656
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Existence, uniqueness, and regularity for linear parabolic PDE on a complete Riemannian manifold

jun 15 at 22:37 Deane Yang 12.6k●1●33●80

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4
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1k
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Ellipse naturally associated with a polygon

may 8 12 at 14:41 Vladimir S Matveev 699●4●6

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5
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1
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362
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Isometric embedding of a positively curved polyhedral surface

may 3 10 at 2:26 Gjergji Zaimi 37.4k●2●72●149

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4
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538
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What is the easiest way to classify all possible smooth orientable closed 2-manifolds?

apr 15 10 at 10:41 John Stillwell 8,121●5●41●79

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8
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5
answers
1k
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Geodesics on a Grassmannian

8h ago Peter Michor 5,422●10●17

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10
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2
answers
410
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Is a smooth closed surface in Euclidean 3-space rigid?

jul 16 11 at 5:40 Jean-Marc Schlenker 678●1●5●8

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5
answers
4k
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Is there a complex structure on the 6-sphere?

jun 27 11 at 17:53 Al-burcas 101●1●3

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15
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5
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983
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Point singularity of a Riemannian manifold with bounded curvature

apr 13 11 at 22:40 Anton Petrunin 16.4k●41●110