?
Храм св. Евфимии в Халкидоне и феномен круглого барабана в средневизантийской архитектуре
The article is dedicated to the cross-in-square church of St. Euphemia in Chalcedon, which was misunderstood as a post-Byzantine building. Based on the analysis of the preserved building and engravings of the late 17th century, the author, following I. Papadopoulos and V.V. Sedov, comes to the conclusion that it was built in the Middle Byzantine period. Moreover, a comparison of its individual details with the neighboring monuments of Bithynia and Constantinople makes it possible to date its construction to the late 8th or early 9th century. An important role in this dating is played by the circular shape of its drum, which was replaced in Constantinople and Thrace by a multi-faceted drum, already since the mid- 9th century (as well as in the Southern Balkans since the mid-10th century, except for the late monuments of the “pre-Helladic school”). However, there is no such clear change of forms in the Middle Byzantine East: circular and multi-faceted drums rather coexist here in different regions, possibly under the influence of early Byzantine traditions.