TY CONF TI PROMISING METHODS FOR INFORMATION ANALYSIS AND PROCESSING WITHIN CLASSICAL LONG-RANGE MODELS IN COMPLEX NONLINEAR PHYSICS KW systems analysis KW information processing KW complex technical system KW classical mathematical physics KW nonlinear physical system KW material points system KW action at a distance models KW fast expansions KW Fourier series KW Taylor series JO MODELING INFORMATION SYSTEMS AND TECHNOLOGIES – 2026 AU Dubrovin, A.S. AU Sumin, V.I. AU Kravchenko, A.S. PY 2026 PB FSBE Institution of Higher Education Voronezh State University of Forestry and Technologies named after G.F. Morozov