Art of masters of book illumination and illuminated codices, the perspective forms, the art of coloring, the narrative standards, iconography and forms in medieval Armenian miniature, the evolution of calligraphy, the relations of the text, narrative miniatures and ornamentation in the book illustration of major Armenia and Cilicia, the iconography of the medieval decoration, the study and publication of unique Armenian medieval texts on theory of art, the importance of modernism in the formation of Armenian new and contemporary art, the identity of Armenian medieval art according to foreign historians of art

Graduated from the Abovian Armenian Pedagogical Institute (1965), Doctor of Art History (1992), Professor (2004), corr. member of NAS RA (2010)

Head of the Department of Fine Arts of Institute of Arts of NAS RA (since 1988), head of the Chair of Theory and History of Art of the Yerevan State Academy of Fine Arts (since 1999)

Academy of the humanities of Saint Petersburg (1998)

Honorary Diploma of National Academy of Sciences of RA (2003), the Honorary title of the honoured cultural workers of RA (2006), Commemorative Medal of the Ministry of Science and Education of RA (2008), State Prize of RA (2009)

Member of the Union of Writers of Armenia, Member of the Union of Artists of Armenia, the poet, the painter, the translator of poetry, fiction, and the works on art theory from Russian, English, German, Grabar (ancient Armenian). Translator, Armenpress (1965-1966), Editor, Armenian Soviet Encyclopedia, (1967), Junior research worker (1971-1985), senior research worker (1985-1988), Head of Department of Fine Arts of Institute of Arts of NAS RA (since 1988)