Annotation of achieved result: Results of the research are concentrated in particular publication outputs, but mainly into two separate books, focusing on the problems of loneliness in the literature. The monograph Literary variations of solitude and loneliness of the international research team introduces a phenomena of the solitude in selected texts from different points of view and theoretical results in seventeen chapters. This variability is connected to complexity of the object of the professional interest. It represents a variety of forms of the solitude and possibilities of its literary-theoretical reflection in the research. The monograph Solitude and loneliness (in selected texts Slovak literature) in three chapters brings extensive in-depth analysis and interpretations of selected texts of the most important periods of the Slovak literature.