On the algebraizability of formal deformations in $K$-cohomology

Eoin Mackall

We show that algebraizability of the functors $R^1{\pi }_{\ast }{\mathcal{K}}_{2,X}^M$ and $R^2{\pi }_{\ast }{\mathcal{K}}_{2,X}^M$ is a stable birational invariant for smooth and proper varieties $π:X\righ…