No, pursuant to Art. 9 para. 3 CopA a work is only considered to have been published when it is made available to a larger number of people outside the private circle of the author. The study group is a group of students that are closely connected to each other in their field of study. The student can still ‘control‘ this group of people. The essay has therefore not been made available to a larger number of people (Art. 19 para. 1 (a) CopA) and has thus not been published.
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