All preprints MUST be registered TWICE:

1) To register a preprint for the HEP group of the ECM Department,
you must start from the present URL address and add "preprints" at
the end of it. Then follow the prompted action;

2) To register a preprint for the ICC, just follow "this link" and
you will be redirected to the web page where you can complete the

In both cases you will be reminded that once you register your
preprint in one place you MUST also register it in the other.

Thank you very much for your collaboration.