11/16/2015, 01:08 AM

An actual discussion/application is on MSE, see the question of

Vladimir Reshetnikov where I tried to find an explanation /ansatz for a proof in my answer http://math.stackexchange.com/a/1530136/1714

Perhaps someone can help to make more progress...

Gottfried

Vladimir Reshetnikov where I tried to find an explanation /ansatz for a proof in my answer http://math.stackexchange.com/a/1530136/1714

Perhaps someone can help to make more progress...

Gottfried

Gottfried Helms, Kassel