Exploring the Limits of Pruning: Task-Specific Neurons, Model Collapse, and Recovery in Task-Specific Large Language Models. - M. K. Khalidi Siam; Md. Tausif-Ul-Islam; Md. Reshad Romim Khan; Mohammed Ali Hossain; Mushfiqul Amin; Labib Hasan Khan; Niloy Farhan; Farig Sadeque (CoRR, 2026)