Abstract
This note studies the behavior of birational rigidity and universal birational rigidity in extensions of algebraically closed fields.
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Kollár, J. Birational rigidity of Fano varieties and field extensions. Proc. Steklov Inst. Math. 264, 96–101 (2009). https://doi.org/10.1134/S008154380901012X
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DOI: https://doi.org/10.1134/S008154380901012X