Light trajectory and shadow shape in the rotating naked singularity Vishva Patel, Divya Tahelyani, Ashok B. Joshi, Dipanjan Dey and Pankaj S. Joshi Eur. Phys. J. C, 82 9 (2022) 798 Published online: 07 September 2022 DOI: 10.1140/epjc/s10052-022-10638-w