TY JOUR TI THEORETICAL FOUNDATIONS OF IDENTITY TRANSFORMATION IN THE DIGI-TAL AGE: FROM ERIC ERICKSON TO MANUEL CASTELLS KW identity KW digital age KW performance KW network society KW postmodernity KW hybrid identity KW network identity KW self-presentation KW digital culture KW identity transformation JO Bulletin of the Angarsk State Technical University AU Mustafin, A.A. PY 2025 IS 1 PB Federal State Funded Educational Establishment of Higher Education «Angarsk State Technical University»