Genesis of modern art principles, continuation and contradiction with 19. century.
Basic principles, tendencies, "Knotenpunkte" (key evolution points). Tectonic and semantic, problems of interpretation.
Art in the period since beginning of 19th century to the first half of the 20th century. The definition of development stages, an emergence of Avant Garde.
Transitional period from Impressionism to Art Nouveau. Art between the two world wars.