Notes
A note with Remy van Dobben de Bruyn shows that flat + formally unramified is not always formally etale.
A note with Takumi Murayama that the property of being Japanese is not local.
A note with Remy van Dobben de Bruyn shows that flat + formally unramified is not always formally etale.
A note with Takumi Murayama that the property of being Japanese is not local.