Przemysław Grabowski

collaborators

2 papers

math.AG2023

Foliations and Galois Theory in Positive Characteristic

Przemyslaw Grabowski

We prove a Galois-type correspondence between compositions of purely inseparable field extensions (including infinite ones) and subalgebras of differential operators. This correspo…

math.GT2018

Finite orthogonal groups and periodicity of links

Maciej Borodzik, Przemysław Grabowski, Adam Król +1

For a prime number $q \neq = 2$ and $r > 0$ we study, whether there exists an isometry of order $q^{r}$ acting on a free $Z_{p^{k}}$ -module equipped with a scalar product. We inves…