Factorization-driven operator framework for Delta_(delta) Gould–Hopper Appell polynomial families and their zeros via graphical representation. J. Nig. Soc. Phys. Sci. [Internet]. 2026 Sep. 23 [cited 2026 Sep. 23];8(4):3662. Available from: https://journal.nsps.org.ng/index.php/jnsps/article/view/3662