Viscosity Reduction in Diluted Polyethylene Melts: A Comparative Study of Semiempirical, Viscoelastic, and Equation‐of‐State Modeling Frameworks. - Viehböck, Ernst Georg; Hammer, Alexander; Kirchmayr, Markus; Murnig, Christof; Paulik, Christian; Berger‐Weber, Gerald (Polymer Engineering & Science, 2026)