BEGIN:VCALENDAR VERSION:2.0 PRODID:-//TYPO3/NONSGML News system (news)//EN BEGIN:VEVENT UID: news-4380@www.math.uoa.gr DTSTAMP:20190531T164218Z DTSTART:20190531T131500 DTEND:20190531T141500 SUMMARY:Γενικό Σεμινάριο: The role of entropy in quantum communications END:VEVENT END:VCALENDAR