To upload your file, you need an account for the linearcollider.org indico.
You can create your accout at https://agenda.linearcollider.org/register/
If you have your account, we would appreciate your uploading your file from the
direct link to your contribution
For those who are not familiar with indico, the following instruction may help : https://learn.getindico.io/meetings/material/
Otherwise please send your file via e-mail to firstname.lastname@example.org
well in advance, or directly copy your file to the computer set up at your room.