Title: Fluctuations and criticality (dedicated to Reinhard Folk on his 60th birthday)
Author(s): H.Iro, Yu.Holovatch, I.Mryglod, C. von Ferber

It is our pleasure and honour to present a collection of papers dedicated to Reinhard Folk on the occasion of his 60th birthday. With this Festschrift, colleagues and friends of the jubilee pay tribute to his long lasting and fruitful work in the field of condensed matter physics.