Jun. 5th, 2014

the remark says that the argument is based on the observation that the m_0-related differential on the tensor coalgebra is acyclic. The argument is due to Kontsevich (and can be perhaps found elsewhere in the literature, in addition to my paper, though perhaps in a form even more abbreviated than that). I trust it that you will be able to recover the details on your own.

As for me, I am presently almost unable to function as a mathematician at all, staying in a rented apartment in Tel Aviv, which expires in three days, with very little sources of income and even less perspectives of having such in any foreseeable future, in the process of fleeing the current political developments in Russia and attempting to settle elsewhere, which proved to be problematic so far.

My mathematical work of the last 7-8 years in on the arXiv. I've spent the last 4-5 weeks updating the versions, correcting the misprints, and making other small changes amounting basically to "putting the papers in order". The chances of me being ever able to continue this work are most uncertain, looking from now.

With best wishes,
Leonid

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