Copyright Warning

The texts on the CEU SUN e-learning site ( have been posted for the exclusive purpose of education and use by participants of the Central European University Summer University program.

They will only remain accessible for a restricted period of time, i.e. the duration of the summer school and a few weeks before and after that.

Forwarding your account information (login name, password) to anyone who is not enrolled for the summer course, copying or circulating the texts posted on the site are strictly forbidden and are considered a violation of the copyright law.

Rules of Ethic

  1. I will register for only one account.
  2. My answers to homework, quizzes and exams will be my own work (except for assignments that explicitly permit collaboration). 
  3. I will not make solutions to homework, quizzes or exams available to anyone else. This includes both solutions written by me, as well as my official solutions provided by the course staff.
  4. I will not engage in any other activities that will dishonestly improve my results or dishonestly improve/hurt the results of others.