Introduction: Byzantine aesthetics / Sergei Mariev -- Theurgy and aesthetics in Dionysios the Areopagite / Wiebke-Marie Stock -- Nikephoros Chumnos' treatise on matter / Monica Marchetto -- Proklos and Plethon on beauty / Sergei Mariev -- Toward a self-determined and emotional gaze: Agathias and the icon of the Archangel Michael / Aglae Pizzone -- Book and image in Byzantine Christianity: polemics or communication? / Barbara Crostini -- Transcendent exemplarism and immanent realism in the philosophical work of John of Damaskos / Alberto del Campo Echevarría -- "Fire walk with me": an attempt at an interpretation of theurgy and its aesthetics / Lutz Bergemann -- Contribution of church Slavonic translations to understanding of Byzantine anti-iconoclast polemics (the case of the letter of the three patriarchs to Theophilos) / Dmitry Afinogenov -- Historical memory of Byzantine iconoclasm in the 14th c.: the case of Nikephoros Gregoras and Philotheos Kokkinos / Lev Lukhovitskij