3 ms·
When I look at this sequence I see that for from 7 on, there seem nearly always exist more than one class of oriented differentiable structures on N-spheres, ex
by wolfgke 11y ago
When I look at this sequence I see that for from 7 on, there seem nearly always exist more than one class of oriented differentiable structures on N-spheres, except for (up to 63) for 12 and 61. Does anybody know what makes the dimensions 12 and 61 so special here?
- GFK_of_xmaspast 11y agoThat looks to be addressed here: http://www.ams.org/notices/201106/rtx110600804p.pdf http://www.ams.org/notices/201106/rtx110600804p.pdf