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Biomedical subjects

Ualbai U Umirbaev

Publications and source records attributed to Ualbai U Umirbaev.

2 recordsLinked to original sources

The strong Nagata conjecture.

It is proved that there exist wild coordinates in the polynomial algebra in three variables over a field of characteristic zero. This result implies the famous Nagata conjecture.

Journal Article↗

The Nagata automorphism is wild.

It is proved that the well known Nagata automorphism of the polynomial ring in three variables over a field of characteristic zero is wild, that is, it can not be decomposed into a product of elementary automorphisms.

Journal Article↗